diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-12 19:28:50 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-12 19:28:50 -0800 |
commit | c7d7b98671552abade78834c522b7308bda73c0d (patch) | |
tree | 062dab589e90a8006d2be5d55f8f95f4f16be93b /fs/f2fs | |
parent | 818099574b04c5301eacbbcd441022b353a65466 (diff) | |
parent | 1a118ccfd60fc78e64c0a3ab9e85075545839d6e (diff) | |
download | linux-stable-c7d7b98671552abade78834c522b7308bda73c0d.tar.gz linux-stable-c7d7b98671552abade78834c522b7308bda73c0d.tar.bz2 linux-stable-c7d7b98671552abade78834c522b7308bda73c0d.zip |
Merge tag 'for-f2fs-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"Major changes are to:
- add f2fs_io_tracer and F2FS_IOC_GETVERSION
- fix wrong acl assignment from parent
- fix accessing wrong data blocks
- fix wrong condition check for f2fs_sync_fs
- align start block address for direct_io
- add and refactor the readahead flows of FS metadata
- refactor atomic and volatile write policies
But most of patches are for clean-ups and minor bug fixes. Some of
them refactor old code too"
* tag 'for-f2fs-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (64 commits)
f2fs: use spinlock for segmap_lock instead of rwlock
f2fs: fix accessing wrong indexed data blocks
f2fs: avoid variable length array
f2fs: fix sparse warnings
f2fs: allocate data blocks in advance for f2fs_direct_IO
f2fs: introduce macros to convert bytes and blocks in f2fs
f2fs: call set_buffer_new for get_block
f2fs: check node page contents all the time
f2fs: avoid data offset overflow when lseeking huge file
f2fs: fix to use highmem for pages of newly created directory
f2fs: introduce a batched trim
f2fs: merge {invalidate,release}page for meta/node/data pages
f2fs: show the number of writeback pages in stat
f2fs: keep PagePrivate during releasepage
f2fs: should fail mount when trying to recover data on read-only dev
f2fs: split UMOUNT and FASTBOOT flags
f2fs: avoid write_checkpoint if f2fs is mounted readonly
f2fs: support norecovery mount option
f2fs: fix not to drop mount options when retrying fill_super
f2fs: merge flags in struct f2fs_sb_info
...
Diffstat (limited to 'fs/f2fs')
-rw-r--r-- | fs/f2fs/Kconfig | 10 | ||||
-rw-r--r-- | fs/f2fs/Makefile | 1 | ||||
-rw-r--r-- | fs/f2fs/acl.c | 6 | ||||
-rw-r--r-- | fs/f2fs/checkpoint.c | 95 | ||||
-rw-r--r-- | fs/f2fs/data.c | 218 | ||||
-rw-r--r-- | fs/f2fs/debug.c | 59 | ||||
-rw-r--r-- | fs/f2fs/dir.c | 3 | ||||
-rw-r--r-- | fs/f2fs/f2fs.h | 120 | ||||
-rw-r--r-- | fs/f2fs/file.c | 100 | ||||
-rw-r--r-- | fs/f2fs/gc.c | 38 | ||||
-rw-r--r-- | fs/f2fs/gc.h | 33 | ||||
-rw-r--r-- | fs/f2fs/inline.c | 32 | ||||
-rw-r--r-- | fs/f2fs/inode.c | 37 | ||||
-rw-r--r-- | fs/f2fs/namei.c | 2 | ||||
-rw-r--r-- | fs/f2fs/node.c | 154 | ||||
-rw-r--r-- | fs/f2fs/node.h | 45 | ||||
-rw-r--r-- | fs/f2fs/recovery.c | 11 | ||||
-rw-r--r-- | fs/f2fs/segment.c | 194 | ||||
-rw-r--r-- | fs/f2fs/segment.h | 29 | ||||
-rw-r--r-- | fs/f2fs/super.c | 75 | ||||
-rw-r--r-- | fs/f2fs/trace.c | 159 | ||||
-rw-r--r-- | fs/f2fs/trace.h | 46 |
22 files changed, 986 insertions, 481 deletions
diff --git a/fs/f2fs/Kconfig b/fs/f2fs/Kconfig index 736a348509f7..94e2d2ffabe1 100644 --- a/fs/f2fs/Kconfig +++ b/fs/f2fs/Kconfig @@ -71,3 +71,13 @@ config F2FS_CHECK_FS Enables BUG_ONs which check the filesystem consistency in runtime. If you want to improve the performance, say N. + +config F2FS_IO_TRACE + bool "F2FS IO tracer" + depends on F2FS_FS + depends on FUNCTION_TRACER + help + F2FS IO trace is based on a function trace, which gathers process + information and block IO patterns in the filesystem level. + + If unsure, say N. diff --git a/fs/f2fs/Makefile b/fs/f2fs/Makefile index 2e35da12d292..d92397731db8 100644 --- a/fs/f2fs/Makefile +++ b/fs/f2fs/Makefile @@ -5,3 +5,4 @@ f2fs-y += checkpoint.o gc.o data.o node.o segment.o recovery.o f2fs-$(CONFIG_F2FS_STAT_FS) += debug.o f2fs-$(CONFIG_F2FS_FS_XATTR) += xattr.o f2fs-$(CONFIG_F2FS_FS_POSIX_ACL) += acl.o +f2fs-$(CONFIG_F2FS_IO_TRACE) += trace.o diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c index 1ccb26bc2a0b..742202779bd5 100644 --- a/fs/f2fs/acl.c +++ b/fs/f2fs/acl.c @@ -62,7 +62,7 @@ static struct posix_acl *f2fs_acl_from_disk(const char *value, size_t size) if (count == 0) return NULL; - acl = posix_acl_alloc(count, GFP_KERNEL); + acl = posix_acl_alloc(count, GFP_NOFS); if (!acl) return ERR_PTR(-ENOMEM); @@ -116,7 +116,7 @@ static void *f2fs_acl_to_disk(const struct posix_acl *acl, size_t *size) int i; f2fs_acl = kmalloc(sizeof(struct f2fs_acl_header) + acl->a_count * - sizeof(struct f2fs_acl_entry), GFP_KERNEL); + sizeof(struct f2fs_acl_entry), GFP_NOFS); if (!f2fs_acl) return ERR_PTR(-ENOMEM); @@ -396,7 +396,7 @@ int f2fs_init_acl(struct inode *inode, struct inode *dir, struct page *ipage, posix_acl_release(default_acl); } if (acl) { - if (error) + if (!error) error = __f2fs_set_acl(inode, ACL_TYPE_ACCESS, acl, ipage); posix_acl_release(acl); diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index e6c271fefaca..7f794b72b3b7 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -20,10 +20,11 @@ #include "f2fs.h" #include "node.h" #include "segment.h" +#include "trace.h" #include <trace/events/f2fs.h> static struct kmem_cache *ino_entry_slab; -static struct kmem_cache *inode_entry_slab; +struct kmem_cache *inode_entry_slab; /* * We guarantee no failure on the returned page. @@ -50,6 +51,11 @@ struct page *get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index) { struct address_space *mapping = META_MAPPING(sbi); struct page *page; + struct f2fs_io_info fio = { + .type = META, + .rw = READ_SYNC | REQ_META | REQ_PRIO, + .blk_addr = index, + }; repeat: page = grab_cache_page(mapping, index); if (!page) { @@ -59,8 +65,7 @@ repeat: if (PageUptodate(page)) goto out; - if (f2fs_submit_page_bio(sbi, page, index, - READ_SYNC | REQ_META | REQ_PRIO)) + if (f2fs_submit_page_bio(sbi, page, &fio)) goto repeat; lock_page(page); @@ -112,14 +117,12 @@ int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages, int type block_t prev_blk_addr = 0; struct page *page; block_t blkno = start; - struct f2fs_io_info fio = { .type = META, .rw = READ_SYNC | REQ_META | REQ_PRIO }; for (; nrpages-- > 0; blkno++) { - block_t blk_addr; if (!is_valid_blkaddr(sbi, blkno, type)) goto out; @@ -130,27 +133,27 @@ int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages, int type NAT_BLOCK_OFFSET(NM_I(sbi)->max_nid))) blkno = 0; /* get nat block addr */ - blk_addr = current_nat_addr(sbi, + fio.blk_addr = current_nat_addr(sbi, blkno * NAT_ENTRY_PER_BLOCK); break; case META_SIT: /* get sit block addr */ - blk_addr = current_sit_addr(sbi, + fio.blk_addr = current_sit_addr(sbi, blkno * SIT_ENTRY_PER_BLOCK); - if (blkno != start && prev_blk_addr + 1 != blk_addr) + if (blkno != start && prev_blk_addr + 1 != fio.blk_addr) goto out; - prev_blk_addr = blk_addr; + prev_blk_addr = fio.blk_addr; break; case META_SSA: case META_CP: case META_POR: - blk_addr = blkno; + fio.blk_addr = blkno; break; default: BUG(); } - page = grab_cache_page(META_MAPPING(sbi), blk_addr); + page = grab_cache_page(META_MAPPING(sbi), fio.blk_addr); if (!page) continue; if (PageUptodate(page)) { @@ -158,7 +161,7 @@ int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages, int type continue; } - f2fs_submit_page_mbio(sbi, page, blk_addr, &fio); + f2fs_submit_page_mbio(sbi, page, &fio); f2fs_put_page(page, 0); } out: @@ -187,7 +190,7 @@ static int f2fs_write_meta_page(struct page *page, trace_f2fs_writepage(page, META); - if (unlikely(sbi->por_doing)) + if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING))) goto redirty_out; if (wbc->for_reclaim && page->index < GET_SUM_BLOCK(sbi, 0)) goto redirty_out; @@ -299,6 +302,8 @@ static int f2fs_set_meta_page_dirty(struct page *page) if (!PageDirty(page)) { __set_page_dirty_nobuffers(page); inc_page_count(F2FS_P_SB(page), F2FS_DIRTY_META); + SetPagePrivate(page); + f2fs_trace_pid(page); return 1; } return 0; @@ -308,6 +313,8 @@ const struct address_space_operations f2fs_meta_aops = { .writepage = f2fs_write_meta_page, .writepages = f2fs_write_meta_pages, .set_page_dirty = f2fs_set_meta_page_dirty, + .invalidatepage = f2fs_invalidate_page, + .releasepage = f2fs_release_page, }; static void __add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type) @@ -462,7 +469,7 @@ void recover_orphan_inodes(struct f2fs_sb_info *sbi) if (!is_set_ckpt_flags(F2FS_CKPT(sbi), CP_ORPHAN_PRESENT_FLAG)) return; - sbi->por_doing = true; + set_sbi_flag(sbi, SBI_POR_DOING); start_blk = __start_cp_addr(sbi) + 1 + le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload); @@ -483,7 +490,7 @@ void recover_orphan_inodes(struct f2fs_sb_info *sbi) } /* clear Orphan Flag */ clear_ckpt_flags(F2FS_CKPT(sbi), CP_ORPHAN_PRESENT_FLAG); - sbi->por_doing = false; + clear_sbi_flag(sbi, SBI_POR_DOING); return; } @@ -567,7 +574,7 @@ static struct page *validate_checkpoint(struct f2fs_sb_info *sbi, if (crc_offset >= blk_size) goto invalid_cp1; - crc = le32_to_cpu(*((__u32 *)((unsigned char *)cp_block + crc_offset))); + crc = le32_to_cpu(*((__le32 *)((unsigned char *)cp_block + crc_offset))); if (!f2fs_crc_valid(crc, cp_block, crc_offset)) goto invalid_cp1; @@ -582,7 +589,7 @@ static struct page *validate_checkpoint(struct f2fs_sb_info *sbi, if (crc_offset >= blk_size) goto invalid_cp2; - crc = le32_to_cpu(*((__u32 *)((unsigned char *)cp_block + crc_offset))); + crc = le32_to_cpu(*((__le32 *)((unsigned char *)cp_block + crc_offset))); if (!f2fs_crc_valid(crc, cp_block, crc_offset)) goto invalid_cp2; @@ -669,7 +676,7 @@ fail_no_cp: return -EINVAL; } -static int __add_dirty_inode(struct inode *inode, struct dir_inode_entry *new) +static int __add_dirty_inode(struct inode *inode, struct inode_entry *new) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); @@ -686,7 +693,7 @@ static int __add_dirty_inode(struct inode *inode, struct dir_inode_entry *new) void update_dirty_page(struct inode *inode, struct page *page) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); - struct dir_inode_entry *new; + struct inode_entry *new; int ret = 0; if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode)) @@ -710,12 +717,13 @@ void update_dirty_page(struct inode *inode, struct page *page) kmem_cache_free(inode_entry_slab, new); out: SetPagePrivate(page); + f2fs_trace_pid(page); } void add_dirty_dir_inode(struct inode *inode) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); - struct dir_inode_entry *new = + struct inode_entry *new = f2fs_kmem_cache_alloc(inode_entry_slab, GFP_NOFS); int ret = 0; @@ -733,7 +741,7 @@ void add_dirty_dir_inode(struct inode *inode) void remove_dirty_dir_inode(struct inode *inode) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); - struct dir_inode_entry *entry; + struct inode_entry *entry; if (!S_ISDIR(inode->i_mode)) return; @@ -763,7 +771,7 @@ void remove_dirty_dir_inode(struct inode *inode) void sync_dirty_dir_inodes(struct f2fs_sb_info *sbi) { struct list_head *head; - struct dir_inode_entry *entry; + struct inode_entry *entry; struct inode *inode; retry: if (unlikely(f2fs_cp_error(sbi))) @@ -776,7 +784,7 @@ retry: spin_unlock(&sbi->dir_inode_lock); return; } - entry = list_entry(head->next, struct dir_inode_entry, list); + entry = list_entry(head->next, struct inode_entry, list); inode = igrab(entry->inode); spin_unlock(&sbi->dir_inode_lock); if (inode) { @@ -922,7 +930,7 @@ static void do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) ckpt->next_free_nid = cpu_to_le32(last_nid); /* 2 cp + n data seg summary + orphan inode blocks */ - data_sum_blocks = npages_for_summary_flush(sbi); + data_sum_blocks = npages_for_summary_flush(sbi, false); if (data_sum_blocks < NR_CURSEG_DATA_TYPE) set_ckpt_flags(ckpt, CP_COMPACT_SUM_FLAG); else @@ -932,24 +940,31 @@ static void do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) ckpt->cp_pack_start_sum = cpu_to_le32(1 + cp_payload_blks + orphan_blocks); - if (cpc->reason == CP_UMOUNT) { - set_ckpt_flags(ckpt, CP_UMOUNT_FLAG); + if (__remain_node_summaries(cpc->reason)) ckpt->cp_pack_total_block_count = cpu_to_le32(F2FS_CP_PACKS+ cp_payload_blks + data_sum_blocks + orphan_blocks + NR_CURSEG_NODE_TYPE); - } else { - clear_ckpt_flags(ckpt, CP_UMOUNT_FLAG); + else ckpt->cp_pack_total_block_count = cpu_to_le32(F2FS_CP_PACKS + cp_payload_blks + data_sum_blocks + orphan_blocks); - } + + if (cpc->reason == CP_UMOUNT) + set_ckpt_flags(ckpt, CP_UMOUNT_FLAG); + else + clear_ckpt_flags(ckpt, CP_UMOUNT_FLAG); + + if (cpc->reason == CP_FASTBOOT) + set_ckpt_flags(ckpt, CP_FASTBOOT_FLAG); + else + clear_ckpt_flags(ckpt, CP_FASTBOOT_FLAG); if (orphan_num) set_ckpt_flags(ckpt, CP_ORPHAN_PRESENT_FLAG); else clear_ckpt_flags(ckpt, CP_ORPHAN_PRESENT_FLAG); - if (sbi->need_fsck) + if (is_sbi_flag_set(sbi, SBI_NEED_FSCK)) set_ckpt_flags(ckpt, CP_FSCK_FLAG); /* update SIT/NAT bitmap */ @@ -966,15 +981,14 @@ static void do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) /* write out checkpoint buffer at block 0 */ cp_page = grab_meta_page(sbi, start_blk++); kaddr = page_address(cp_page); - memcpy(kaddr, ckpt, (1 << sbi->log_blocksize)); + memcpy(kaddr, ckpt, F2FS_BLKSIZE); set_page_dirty(cp_page); f2fs_put_page(cp_page, 1); for (i = 1; i < 1 + cp_payload_blks; i++) { cp_page = grab_meta_page(sbi, start_blk++); kaddr = page_address(cp_page); - memcpy(kaddr, (char *)ckpt + i * F2FS_BLKSIZE, - (1 << sbi->log_blocksize)); + memcpy(kaddr, (char *)ckpt + i * F2FS_BLKSIZE, F2FS_BLKSIZE); set_page_dirty(cp_page); f2fs_put_page(cp_page, 1); } @@ -986,7 +1000,7 @@ static void do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) write_data_summaries(sbi, start_blk); start_blk += data_sum_blocks; - if (cpc->reason == CP_UMOUNT) { + if (__remain_node_summaries(cpc->reason)) { write_node_summaries(sbi, start_blk); start_blk += NR_CURSEG_NODE_TYPE; } @@ -994,7 +1008,7 @@ static void do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) /* writeout checkpoint block */ cp_page = grab_meta_page(sbi, start_blk); kaddr = page_address(cp_page); - memcpy(kaddr, ckpt, (1 << sbi->log_blocksize)); + memcpy(kaddr, ckpt, F2FS_BLKSIZE); set_page_dirty(cp_page); f2fs_put_page(cp_page, 1); @@ -1023,7 +1037,7 @@ static void do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) return; clear_prefree_segments(sbi); - F2FS_RESET_SB_DIRT(sbi); + clear_sbi_flag(sbi, SBI_IS_DIRTY); } /* @@ -1038,10 +1052,13 @@ void write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) mutex_lock(&sbi->cp_mutex); - if (!sbi->s_dirty && cpc->reason != CP_DISCARD) + if (!is_sbi_flag_set(sbi, SBI_IS_DIRTY) && + cpc->reason != CP_DISCARD && cpc->reason != CP_UMOUNT) goto out; if (unlikely(f2fs_cp_error(sbi))) goto out; + if (f2fs_readonly(sbi->sb)) + goto out; if (block_operations(sbi)) goto out; @@ -1102,8 +1119,8 @@ int __init create_checkpoint_caches(void) sizeof(struct ino_entry)); if (!ino_entry_slab) return -ENOMEM; - inode_entry_slab = f2fs_kmem_cache_create("f2fs_dirty_dir_entry", - sizeof(struct dir_inode_entry)); + inode_entry_slab = f2fs_kmem_cache_create("f2fs_inode_entry", + sizeof(struct inode_entry)); if (!inode_entry_slab) { kmem_cache_destroy(ino_entry_slab); return -ENOMEM; diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 7ec697b37f19..985ed023a750 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -22,6 +22,7 @@ #include "f2fs.h" #include "node.h" #include "segment.h" +#include "trace.h" #include <trace/events/f2fs.h> static void f2fs_read_end_io(struct bio *bio, int err) @@ -95,11 +96,9 @@ static void __submit_merged_bio(struct f2fs_bio_info *io) return; if (is_read_io(fio->rw)) - trace_f2fs_submit_read_bio(io->sbi->sb, fio->rw, - fio->type, io->bio); + trace_f2fs_submit_read_bio(io->sbi->sb, fio, io->bio); else - trace_f2fs_submit_write_bio(io->sbi->sb, fio->rw, - fio->type, io->bio); + trace_f2fs_submit_write_bio(io->sbi->sb, fio, io->bio); submit_bio(fio->rw, io->bio); io->bio = NULL; @@ -132,14 +131,15 @@ void f2fs_submit_merged_bio(struct f2fs_sb_info *sbi, * Return unlocked page. */ int f2fs_submit_page_bio(struct f2fs_sb_info *sbi, struct page *page, - block_t blk_addr, int rw) + struct f2fs_io_info *fio) { struct bio *bio; - trace_f2fs_submit_page_bio(page, blk_addr, rw); + trace_f2fs_submit_page_bio(page, fio); + f2fs_trace_ios(page, fio, 0); /* Allocate a new bio */ - bio = __bio_alloc(sbi, blk_addr, 1, is_read_io(rw)); + bio = __bio_alloc(sbi, fio->blk_addr, 1, is_read_io(fio->rw)); if (bio_add_page(bio, page, PAGE_CACHE_SIZE, 0) < PAGE_CACHE_SIZE) { bio_put(bio); @@ -147,12 +147,12 @@ int f2fs_submit_page_bio(struct f2fs_sb_info *sbi, struct page *page, return -EFAULT; } - submit_bio(rw, bio); + submit_bio(fio->rw, bio); return 0; } void f2fs_submit_page_mbio(struct f2fs_sb_info *sbi, struct page *page, - block_t blk_addr, struct f2fs_io_info *fio) + struct f2fs_io_info *fio) { enum page_type btype = PAGE_TYPE_OF_BIO(fio->type); struct f2fs_bio_info *io; @@ -160,21 +160,21 @@ void f2fs_submit_page_mbio(struct f2fs_sb_info *sbi, struct page *page, io = is_read ? &sbi->read_io : &sbi->write_io[btype]; - verify_block_addr(sbi, blk_addr); + verify_block_addr(sbi, fio->blk_addr); down_write(&io->io_rwsem); if (!is_read) inc_page_count(sbi, F2FS_WRITEBACK); - if (io->bio && (io->last_block_in_bio != blk_addr - 1 || + if (io->bio && (io->last_block_in_bio != fio->blk_addr - 1 || io->fio.rw != fio->rw)) __submit_merged_bio(io); alloc_new: if (io->bio == NULL) { int bio_blocks = MAX_BIO_BLOCKS(sbi); - io->bio = __bio_alloc(sbi, blk_addr, bio_blocks, is_read); + io->bio = __bio_alloc(sbi, fio->blk_addr, bio_blocks, is_read); io->fio = *fio; } @@ -184,10 +184,11 @@ alloc_new: goto alloc_new; } - io->last_block_in_bio = blk_addr; + io->last_block_in_bio = fio->blk_addr; + f2fs_trace_ios(page, fio, 0); up_write(&io->io_rwsem); - trace_f2fs_submit_page_mbio(page, fio->rw, fio->type, blk_addr); + trace_f2fs_submit_page_mbio(page, fio); } /* @@ -196,7 +197,7 @@ alloc_new: * ->node_page * update block addresses in the node page */ -static void __set_data_blkaddr(struct dnode_of_data *dn, block_t new_addr) +static void __set_data_blkaddr(struct dnode_of_data *dn) { struct f2fs_node *rn; __le32 *addr_array; @@ -209,7 +210,7 @@ static void __set_data_blkaddr(struct dnode_of_data *dn, block_t new_addr) /* Get physical address of data block */ addr_array = blkaddr_in_node(rn); - addr_array[ofs_in_node] = cpu_to_le32(new_addr); + addr_array[ofs_in_node] = cpu_to_le32(dn->data_blkaddr); set_page_dirty(node_page); } @@ -224,8 +225,8 @@ int reserve_new_block(struct dnode_of_data *dn) trace_f2fs_reserve_new_block(dn->inode, dn->nid, dn->ofs_in_node); - __set_data_blkaddr(dn, NEW_ADDR); dn->data_blkaddr = NEW_ADDR; + __set_data_blkaddr(dn); mark_inode_dirty(dn->inode); sync_inode_page(dn); return 0; @@ -273,7 +274,7 @@ static int check_extent_cache(struct inode *inode, pgoff_t pgofs, unsigned int blkbits = inode->i_sb->s_blocksize_bits; size_t count; - clear_buffer_new(bh_result); + set_buffer_new(bh_result); map_bh(bh_result, inode->i_sb, start_blkaddr + pgofs - start_fofs); count = end_fofs - pgofs + 1; @@ -290,23 +291,24 @@ static int check_extent_cache(struct inode *inode, pgoff_t pgofs, return 0; } -void update_extent_cache(block_t blk_addr, struct dnode_of_data *dn) +void update_extent_cache(struct dnode_of_data *dn) { struct f2fs_inode_info *fi = F2FS_I(dn->inode); pgoff_t fofs, start_fofs, end_fofs; block_t start_blkaddr, end_blkaddr; int need_update = true; - f2fs_bug_on(F2FS_I_SB(dn->inode), blk_addr == NEW_ADDR); - fofs = start_bidx_of_node(ofs_of_node(dn->node_page), fi) + - dn->ofs_in_node; + f2fs_bug_on(F2FS_I_SB(dn->inode), dn->data_blkaddr == NEW_ADDR); /* Update the page address in the parent node */ - __set_data_blkaddr(dn, blk_addr); + __set_data_blkaddr(dn); if (is_inode_flag_set(fi, FI_NO_EXTENT)) return; + fofs = start_bidx_of_node(ofs_of_node(dn->node_page), fi) + + dn->ofs_in_node; + write_lock(&fi->ext.ext_lock); start_fofs = fi->ext.fofs; @@ -320,16 +322,16 @@ void update_extent_cache(block_t blk_addr, struct dnode_of_data *dn) /* Initial extent */ if (fi->ext.len == 0) { - if (blk_addr != NULL_ADDR) { + if (dn->data_blkaddr != NULL_ADDR) { fi->ext.fofs = fofs; - fi->ext.blk_addr = blk_addr; + fi->ext.blk_addr = dn->data_blkaddr; fi->ext.len = 1; } goto end_update; } /* Front merge */ - if (fofs == start_fofs - 1 && blk_addr == start_blkaddr - 1) { + if (fofs == start_fofs - 1 && dn->data_blkaddr == start_blkaddr - 1) { fi->ext.fofs--; fi->ext.blk_addr--; fi->ext.len++; @@ -337,7 +339,7 @@ void update_extent_cache(block_t blk_addr, struct dnode_of_data *dn) } /* Back merge */ - if (fofs == end_fofs + 1 && blk_addr == end_blkaddr + 1) { + if (fofs == end_fofs + 1 && dn->data_blkaddr == end_blkaddr + 1) { fi->ext.len++; goto end_update; } @@ -376,6 +378,10 @@ struct page *find_data_page(struct inode *inode, pgoff_t index, bool sync) struct dnode_of_data dn; struct page *page; int err; + struct f2fs_io_info fio = { + .type = DATA, + .rw = sync ? READ_SYNC : READA, + }; page = find_get_page(mapping, index); if (page && PageUptodate(page)) @@ -404,8 +410,8 @@ struct page *find_data_page(struct inode *inode, pgoff_t index, bool sync) return page; } - err = f2fs_submit_page_bio(F2FS_I_SB(inode), page, dn.data_blkaddr, - sync ? READ_SYNC : READA); + fio.blk_addr = dn.data_blkaddr; + err = f2fs_submit_page_bio(F2FS_I_SB(inode), page, &fio); if (err) return ERR_PTR(err); @@ -430,7 +436,10 @@ struct page *get_lock_data_page(struct inode *inode, pgoff_t index) struct dnode_of_data dn; struct page *page; int err; - + struct f2fs_io_info fio = { + .type = DATA, + .rw = READ_SYNC, + }; repeat: page = grab_cache_page(mapping, index); if (!page) @@ -464,8 +473,8 @@ repeat: return page; } - err = f2fs_submit_page_bio(F2FS_I_SB(inode), page, - dn.data_blkaddr, READ_SYNC); + fio.blk_addr = dn.data_blkaddr; + err = f2fs_submit_page_bio(F2FS_I_SB(inode), page, &fio); if (err) return ERR_PTR(err); @@ -515,8 +524,12 @@ repeat: zero_user_segment(page, 0, PAGE_CACHE_SIZE); SetPageUptodate(page); } else { - err = f2fs_submit_page_bio(F2FS_I_SB(inode), page, - dn.data_blkaddr, READ_SYNC); + struct f2fs_io_info fio = { + .type = DATA, + .rw = READ_SYNC, + .blk_addr = dn.data_blkaddr, + }; + err = f2fs_submit_page_bio(F2FS_I_SB(inode), page, &fio); if (err) goto put_err; @@ -550,30 +563,25 @@ static int __allocate_data_block(struct dnode_of_data *dn) struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode); struct f2fs_inode_info *fi = F2FS_I(dn->inode); struct f2fs_summary sum; - block_t new_blkaddr; struct node_info ni; + int seg = CURSEG_WARM_DATA; pgoff_t fofs; - int type; if (unlikely(is_inode_flag_set(F2FS_I(dn->inode), FI_NO_ALLOC))) return -EPERM; if (unlikely(!inc_valid_block_count(sbi, dn->inode, 1))) return -ENOSPC; - __set_data_blkaddr(dn, NEW_ADDR); - dn->data_blkaddr = NEW_ADDR; - get_node_info(sbi, dn->nid, &ni); set_summary(&sum, dn->nid, dn->ofs_in_node, ni.version); - type = CURSEG_WARM_DATA; + if (dn->ofs_in_node == 0 && dn->inode_page == dn->node_page) + seg = CURSEG_DIRECT_IO; - allocate_data_block(sbi, NULL, NULL_ADDR, &new_blkaddr, &sum, type); + allocate_data_block(sbi, NULL, NULL_ADDR, &dn->data_blkaddr, &sum, seg); /* direct IO doesn't use extent cache to maximize the performance */ - set_inode_flag(F2FS_I(dn->inode), FI_NO_EXTENT); - update_extent_cache(new_blkaddr, dn); - clear_inode_flag(F2FS_I(dn->inode), FI_NO_EXTENT); + __set_data_blkaddr(dn); /* update i_size */ fofs = start_bidx_of_node(ofs_of_node(dn->node_page), fi) + @@ -581,10 +589,59 @@ static int __allocate_data_block(struct dnode_of_data *dn) if (i_size_read(dn->inode) < ((fofs + 1) << PAGE_CACHE_SHIFT)) i_size_write(dn->inode, ((fofs + 1) << PAGE_CACHE_SHIFT)); - dn->data_blkaddr = new_blkaddr; return 0; } +static void __allocate_data_blocks(struct inode *inode, loff_t offset, + size_t count) +{ + struct f2fs_sb_info *sbi = F2FS_I_SB(inode); + struct dnode_of_data dn; + u64 start = F2FS_BYTES_TO_BLK(offset); + u64 len = F2FS_BYTES_TO_BLK(count); + bool allocated; + u64 end_offset; + + while (len) { + f2fs_balance_fs(sbi); + f2fs_lock_op(sbi); + + /* When reading holes, we need its node page */ + set_new_dnode(&dn, inode, NULL, NULL, 0); + if (get_dnode_of_data(&dn, start, ALLOC_NODE)) + goto out; + + allocated = false; + end_offset = ADDRS_PER_PAGE(dn.node_page, F2FS_I(inode)); + + while (dn.ofs_in_node < end_offset && len) { + if (dn.data_blkaddr == NULL_ADDR) { + if (__allocate_data_block(&dn)) + goto sync_out; + allocated = true; + } + len--; + start++; + dn.ofs_in_node++; + } + + if (allocated) + sync_inode_page(&dn); + + f2fs_put_dnode(&dn); + f2fs_unlock_op(sbi); + } + return; + +sync_out: + if (allocated) + sync_inode_page(&dn); + f2fs_put_dnode(&dn); +out: + f2fs_unlock_op(sbi); + return; +} + /* * get_data_block() now supported readahead/bmap/rw direct_IO with mapped bh. * If original data blocks are allocated, then give them to blockdev. @@ -610,10 +667,8 @@ static int __get_data_block(struct inode *inode, sector_t iblock, if (check_extent_cache(inode, pgofs, bh_result)) goto out; - if (create) { - f2fs_balance_fs(F2FS_I_SB(inode)); + if (create) f2fs_lock_op(F2FS_I_SB(inode)); - } /* When reading holes, we need its node page */ set_new_dnode(&dn, inode, NULL, NULL, 0); @@ -627,12 +682,14 @@ static int __get_data_block(struct inode *inode, sector_t iblock, goto put_out; if (dn.data_blkaddr != NULL_ADDR) { + set_buffer_new(bh_result); map_bh(bh_result, inode->i_sb, dn.data_blkaddr); } else if (create) { err = __allocate_data_block(&dn); if (err) goto put_out; allocated = true; + set_buffer_new(bh_result); map_bh(bh_result, inode->i_sb, dn.data_blkaddr); } else { goto put_out; @@ -745,7 +802,6 @@ static int f2fs_read_data_pages(struct file *file, int do_write_data_page(struct page *page, struct f2fs_io_info *fio) { struct inode *inode = page->mapping->host; - block_t old_blkaddr, new_blkaddr; struct dnode_of_data dn; int err = 0; @@ -754,10 +810,10 @@ int do_write_data_page(struct page *page, struct f2fs_io_info *fio) if (err) return err; - old_blkaddr = dn.data_blkaddr; + fio->blk_addr = dn.data_blkaddr; /* This page is already truncated */ - if (old_blkaddr == NULL_ADDR) + if (fio->blk_addr == NULL_ADDR) goto out_writepage; set_page_writeback(page); @@ -766,14 +822,14 @@ int do_write_data_page(struct page *page, struct f2fs_io_info *fio) * If current allocation needs SSR, * it had better in-place writes for updated data. */ - if (unlikely(old_blkaddr != NEW_ADDR && + if (unlikely(fio->blk_addr != NEW_ADDR && !is_cold_data(page) && need_inplace_update(inode))) { - rewrite_data_page(page, old_blkaddr, fio); + rewrite_data_page(page, fio); set_inode_flag(F2FS_I(inode), FI_UPDATE_WRITE); } else { - write_data_page(page, &dn, &new_blkaddr, fio); - update_extent_cache(new_blkaddr, &dn); + write_data_page(page, &dn, fio); + update_extent_cache(&dn); set_inode_flag(F2FS_I(inode), FI_APPEND_WRITE); } out_writepage: @@ -812,7 +868,12 @@ static int f2fs_write_data_page(struct page *page, zero_user_segment(page, offset, PAGE_CACHE_SIZE); write: - if (unlikely(sbi->por_doing)) + if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING))) + goto redirty_out; + if (f2fs_is_drop_cache(inode)) + goto out; + if (f2fs_is_volatile_file(inode) && !wbc->for_reclaim && + available_free_memory(sbi, BASE_CHECK)) goto redirty_out; /* Dentry blocks are controlled by checkpoint */ @@ -826,7 +887,6 @@ write: /* we should bypass data pages to proceed the kworkder jobs */ if (unlikely(f2fs_cp_error(sbi))) { SetPageError(page); - unlock_page(page); goto out; } @@ -1002,8 +1062,12 @@ put_next: if (dn.data_blkaddr == NEW_ADDR) { zero_user_segment(page, 0, PAGE_CACHE_SIZE); } else { - err = f2fs_submit_page_bio(sbi, page, dn.data_blkaddr, - READ_SYNC); + struct f2fs_io_info fio = { + .type = DATA, + .rw = READ_SYNC, + .blk_addr = dn.data_blkaddr, + }; + err = f2fs_submit_page_bio(sbi, page, &fio); if (err) goto fail; @@ -1092,6 +1156,9 @@ static ssize_t f2fs_direct_IO(int rw, struct kiocb *iocb, trace_f2fs_direct_IO_enter(inode, offset, count, rw); + if (rw & WRITE) + __allocate_data_blocks(inode, offset, count); + err = blockdev_direct_IO(rw, iocb, inode, iter, offset, get_data_block); if (err < 0 && (rw & WRITE)) f2fs_write_failed(mapping, offset + count); @@ -1101,24 +1168,33 @@ static ssize_t f2fs_direct_IO(int rw, struct kiocb *iocb, return err; } -static void f2fs_invalidate_data_page(struct page *page, unsigned int offset, - unsigned int length) +void f2fs_invalidate_page(struct page *page, unsigned int offset, + unsigned int length) { struct inode *inode = page->mapping->host; + struct f2fs_sb_info *sbi = F2FS_I_SB(inode); - if (offset % PAGE_CACHE_SIZE || length != PAGE_CACHE_SIZE) + if (inode->i_ino >= F2FS_ROOT_INO(sbi) && + (offset % PAGE_CACHE_SIZE || length != PAGE_CACHE_SIZE)) return; - if (f2fs_is_atomic_file(inode) || f2fs_is_volatile_file(inode)) - invalidate_inmem_page(inode, page); - - if (PageDirty(page)) - inode_dec_dirty_pages(inode); + if (PageDirty(page)) { + if (inode->i_ino == F2FS_META_INO(sbi)) + dec_page_count(sbi, F2FS_DIRTY_META); + else if (inode->i_ino == F2FS_NODE_INO(sbi)) + dec_page_count(sbi, F2FS_DIRTY_NODES); + else + inode_dec_dirty_pages(inode); + } ClearPagePrivate(page); } -static int f2fs_release_data_page(struct page *page, gfp_t wait) +int f2fs_release_page(struct page *page, gfp_t wait) { + /* If this is dirty page, keep PagePrivate */ + if (PageDirty(page)) + return 0; + ClearPagePrivate(page); return 1; } @@ -1132,7 +1208,7 @@ static int f2fs_set_data_page_dirty(struct page *page) SetPageUptodate(page); - if (f2fs_is_atomic_file(inode) || f2fs_is_volatile_file(inode)) { + if (f2fs_is_atomic_file(inode)) { register_inmem_page(inode, page); return 1; } @@ -1168,8 +1244,8 @@ const struct address_space_operations f2fs_dblock_aops = { .write_begin = f2fs_write_begin, .write_end = f2fs_write_end, .set_page_dirty = f2fs_set_data_page_dirty, - .invalidatepage = f2fs_invalidate_data_page, - .releasepage = f2fs_release_data_page, + .invalidatepage = f2fs_invalidate_page, + .releasepage = f2fs_release_page, .direct_IO = f2fs_direct_IO, .bmap = f2fs_bmap, }; diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index 91e8f699ab30..e671373cc8ab 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -40,6 +40,7 @@ static void update_general_status(struct f2fs_sb_info *sbi) si->ndirty_dirs = sbi->n_dirty_dirs; si->ndirty_meta = get_pages(sbi, F2FS_DIRTY_META); si->inmem_pages = get_pages(sbi, F2FS_INMEM_PAGES); + si->wb_pages = get_pages(sbi, F2FS_WRITEBACK); si->total_count = (int)sbi->user_block_count / sbi->blocks_per_seg; si->rsvd_segs = reserved_segments(sbi); si->overp_segs = overprovision_segments(sbi); @@ -57,7 +58,9 @@ static void update_general_status(struct f2fs_sb_info *sbi) si->node_pages = NODE_MAPPING(sbi)->nrpages; si->meta_pages = META_MAPPING(sbi)->nrpages; si->nats = NM_I(sbi)->nat_cnt; - si->sits = SIT_I(sbi)->dirty_sentries; + si->dirty_nats = NM_I(sbi)->dirty_nat_cnt; + si->sits = MAIN_SEGS(sbi); + si->dirty_sits = SIT_I(sbi)->dirty_sentries; si->fnids = NM_I(sbi)->fcnt; si->bg_gc = sbi->bg_gc; si->util_free = (int)(free_user_blocks(sbi) >> sbi->log_blocks_per_seg) @@ -79,6 +82,8 @@ static void update_general_status(struct f2fs_sb_info *sbi) si->segment_count[i] = sbi->segment_count[i]; si->block_count[i] = sbi->block_count[i]; } + + si->inplace_count = atomic_read(&sbi->inplace_count); } /* @@ -137,6 +142,7 @@ static void update_mem_info(struct f2fs_sb_info *sbi) si->base_mem += MAIN_SEGS(sbi) * sizeof(struct seg_entry); si->base_mem += f2fs_bitmap_size(MAIN_SEGS(sbi)); si->base_mem += 2 * SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi); + si->base_mem += SIT_VBLOCK_MAP_SIZE; if (sbi->segs_per_sec > 1) si->base_mem += MAIN_SECS(sbi) * sizeof(struct sec_entry); si->base_mem += __bitmap_size(sbi, SIT_BITMAP); @@ -159,20 +165,32 @@ static void update_mem_info(struct f2fs_sb_info *sbi) si->base_mem += sizeof(struct f2fs_nm_info); si->base_mem += __bitmap_size(sbi, NAT_BITMAP); +get_cache: + si->cache_mem = 0; + /* build gc */ - si->base_mem += sizeof(struct f2fs_gc_kthread); + if (sbi->gc_thread) + si->cache_mem += sizeof(struct f2fs_gc_kthread); + + /* build merge flush thread */ + if (SM_I(sbi)->cmd_control_info) + si->cache_mem += sizeof(struct flush_cmd_control); -get_cache: /* free nids */ - si->cache_mem = NM_I(sbi)->fcnt; - si->cache_mem += NM_I(sbi)->nat_cnt; - npages = NODE_MAPPING(sbi)->nrpages; - si->cache_mem += npages << PAGE_CACHE_SHIFT; - npages = META_MAPPING(sbi)->nrpages; - si->cache_mem += npages << PAGE_CACHE_SHIFT; - si->cache_mem += sbi->n_dirty_dirs * sizeof(struct dir_inode_entry); + si->cache_mem += NM_I(sbi)->fcnt * sizeof(struct free_nid); + si->cache_mem += NM_I(sbi)->nat_cnt * sizeof(struct nat_entry); + si->cache_mem += NM_I(sbi)->dirty_nat_cnt * + sizeof(struct nat_entry_set); + si->cache_mem += si->inmem_pages * sizeof(struct inmem_pages); + si->cache_mem += sbi->n_dirty_dirs * sizeof(struct inode_entry); for (i = 0; i <= UPDATE_INO; i++) si->cache_mem += sbi->im[i].ino_num * sizeof(struct ino_entry); + + si->page_mem = 0; + npages = NODE_MAPPING(sbi)->nrpages; + si->page_mem += npages << PAGE_CACHE_SHIFT; + npages = META_MAPPING(sbi)->nrpages; + si->page_mem += npages << PAGE_CACHE_SHIFT; } static int stat_show(struct seq_file *s, void *v) @@ -250,16 +268,16 @@ static int stat_show(struct seq_file *s, void *v) seq_printf(s, "\nExtent Hit Ratio: %d / %d\n", si->hit_ext, si->total_ext); seq_puts(s, "\nBalancing F2FS Async:\n"); - seq_printf(s, " - inmem: %4d\n", - si->inmem_pages); + seq_printf(s, " - inmem: %4d, wb: %4d\n", + si->inmem_pages, si->wb_pages); seq_printf(s, " - nodes: %4d in %4d\n", si->ndirty_node, si->node_pages); seq_printf(s, " - dents: %4d in dirs:%4d\n", si->ndirty_dent, si->ndirty_dirs); seq_printf(s, " - meta: %4d in %4d\n", si->ndirty_meta, si->meta_pages); - seq_printf(s, " - NATs: %9d\n - SITs: %9d\n", - si->nats, si->sits); + seq_printf(s, " - NATs: %9d/%9d\n - SITs: %9d/%9d\n", + si->dirty_nats, si->nats, si->dirty_sits, si->sits); seq_printf(s, " - free_nids: %9d\n", si->fnids); seq_puts(s, "\nDistribution of User Blocks:"); @@ -277,6 +295,7 @@ static int stat_show(struct seq_file *s, void *v) for (j = 0; j < si->util_free; j++) seq_putc(s, '-'); seq_puts(s, "]\n\n"); + seq_printf(s, "IPU: %u blocks\n", si->inplace_count); seq_printf(s, "SSR: %u blocks in %u segments\n", si->block_count[SSR], si->segment_count[SSR]); seq_printf(s, "LFS: %u blocks in %u segments\n", @@ -289,9 +308,14 @@ static int stat_show(struct seq_file *s, void *v) /* memory footprint */ update_mem_info(si->sbi); - seq_printf(s, "\nMemory: %u KB = static: %u + cached: %u\n", - (si->base_mem + si->cache_mem) >> 10, - si->base_mem >> 10, si->cache_mem >> 10); + seq_printf(s, "\nMemory: %u KB\n", + (si->base_mem + si->cache_mem + si->page_mem) >> 10); + seq_printf(s, " - static: %u KB\n", + si->base_mem >> 10); + seq_printf(s, " - cached: %u KB\n", + si->cache_mem >> 10); + seq_printf(s, " - paged : %u KB\n", + si->page_mem >> 10); } mutex_unlock(&f2fs_stat_mutex); return 0; @@ -331,6 +355,7 @@ int f2fs_build_stats(struct f2fs_sb_info *sbi) atomic_set(&sbi->inline_inode, 0); atomic_set(&sbi->inline_dir, 0); + atomic_set(&sbi->inplace_count, 0); mutex_lock(&f2fs_stat_mutex); list_add_tail(&si->stat_list, &f2fs_stat_list); diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c index b1a7d5737cd0..b74097a7f6d9 100644 --- a/fs/f2fs/dir.c +++ b/fs/f2fs/dir.c @@ -286,8 +286,7 @@ void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de, f2fs_wait_on_page_writeback(page, type); de->ino = cpu_to_le32(inode->i_ino); set_de_type(de, inode); - if (!f2fs_has_inline_dentry(dir)) - kunmap(page); + f2fs_dentry_kunmap(dir, page); set_page_dirty(page); dir->i_mtime = dir->i_ctime = CURRENT_TIME; mark_inode_dirty(dir); diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index ec58bb2373fc..7fa3313ab0e2 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -28,7 +28,7 @@ do { \ if (unlikely(condition)) { \ WARN_ON(1); \ - sbi->need_fsck = true; \ + set_sbi_flag(sbi, SBI_NEED_FSCK); \ } \ } while (0) #define f2fs_down_write(x, y) down_write(x) @@ -100,10 +100,15 @@ enum { enum { CP_UMOUNT, + CP_FASTBOOT, CP_SYNC, CP_DISCARD, }; +#define DEF_BATCHED_TRIM_SECTIONS 32 +#define BATCHED_TRIM_SEGMENTS(sbi) \ + (SM_I(sbi)->trim_sections * (sbi)->segs_per_sec) + struct cp_control { int reason; __u64 trim_start; @@ -136,8 +141,14 @@ struct ino_entry { nid_t ino; /* inode number */ }; -/* for the list of directory inodes */ -struct dir_inode_entry { +/* + * for the list of directory inodes or gc inodes. + * NOTE: there are two slab users for this structure, if we add/modify/delete + * fields in structure for one of slab users, it may affect fields or size of + * other one, in this condition, it's better to split both of slab and related + * data structure. + */ +struct inode_entry { struct list_head list; /* list head */ struct inode *inode; /* vfs inode pointer */ }; @@ -196,11 +207,14 @@ static inline bool __has_cursum_space(struct f2fs_summary_block *sum, int size, */ #define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS #define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS +#define F2FS_IOC_GETVERSION FS_IOC_GETVERSION #define F2FS_IOCTL_MAGIC 0xf5 #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1) #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2) #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3) +#define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4) +#define F2FS_IOC_ABORT_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 5) #if defined(__KERNEL__) && defined(CONFIG_COMPAT) /* @@ -295,7 +309,7 @@ struct f2fs_inode_info { nid_t i_xattr_nid; /* node id that contains xattrs */ unsigned long long xattr_ver; /* cp version of xattr modification */ struct extent_info ext; /* in-memory extent cache entry */ - struct dir_inode_entry *dirty_dir; /* the pointer of dirty dir */ + struct inode_entry *dirty_dir; /* the pointer of dirty dir */ struct radix_tree_root inmem_root; /* radix tree for inmem pages */ struct list_head inmem_pages; /* inmemory pages managed by f2fs */ @@ -398,7 +412,8 @@ enum { CURSEG_HOT_NODE, /* direct node blocks of directory files */ CURSEG_WARM_NODE, /* direct node blocks of normal files */ CURSEG_COLD_NODE, /* indirect node blocks */ - NO_CHECK_TYPE + NO_CHECK_TYPE, + CURSEG_DIRECT_IO, /* to use for the direct IO path */ }; struct flush_cmd { @@ -437,6 +452,9 @@ struct f2fs_sm_info { int nr_discards; /* # of discards in the list */ int max_discards; /* max. discards to be issued */ + /* for batched trimming */ + unsigned int trim_sections; /* # of sections to trim */ + struct list_head sit_entry_set; /* sit entry set list */ unsigned int ipu_policy; /* in-place-update policy */ @@ -489,6 +507,7 @@ enum page_type { struct f2fs_io_info { enum page_type type; /* contains DATA/NODE/META/META_FLUSH */ int rw; /* contains R/RS/W/WS with REQ_META/REQ_PRIO */ + block_t blk_addr; /* block address to be written */ }; #define is_read_io(rw) (((rw) & 1) == READ) @@ -508,13 +527,20 @@ struct inode_management { unsigned long ino_num; /* number of entries */ }; +/* For s_flag in struct f2fs_sb_info */ +enum { + SBI_IS_DIRTY, /* dirty flag for checkpoint */ + SBI_IS_CLOSE, /* specify unmounting */ + SBI_NEED_FSCK, /* need fsck.f2fs to fix */ + SBI_POR_DOING, /* recovery is doing or not */ +}; + struct f2fs_sb_info { struct super_block *sb; /* pointer to VFS super block */ struct proc_dir_entry *s_proc; /* proc entry */ struct buffer_head *raw_super_buf; /* buffer head of raw sb */ struct f2fs_super_block *raw_super; /* raw super block pointer */ - int s_dirty; /* dirty flag for checkpoint */ - bool need_fsck; /* need fsck.f2fs to fix */ + int s_flag; /* flags for sbi */ /* for node-related operations */ struct f2fs_nm_info *nm_info; /* node manager */ @@ -534,7 +560,6 @@ struct f2fs_sb_info { struct rw_semaphore cp_rwsem; /* blocking FS operations */ struct rw_semaphore node_write; /* locking node writes */ struct mutex writepages; /* mutex for writepages() */ - bool por_doing; /* recovery is doing or not */ wait_queue_head_t cp_wait; struct inode_management im[MAX_INO_ENTRY]; /* manage inode cache */ @@ -589,6 +614,7 @@ struct f2fs_sb_info { struct f2fs_stat_info *stat_info; /* FS status information */ unsigned int segment_count[2]; /* # of allocated segments */ unsigned int block_count[2]; /* # of allocated blocks */ + atomic_t inplace_count; /* # of inplace update */ int total_hit_ext, read_hit_ext; /* extent cache hit ratio */ atomic_t inline_inode; /* # of inline_data inodes */ atomic_t inline_dir; /* # of inline_dentry inodes */ @@ -686,14 +712,19 @@ static inline struct address_space *NODE_MAPPING(struct f2fs_sb_info *sbi) return sbi->node_inode->i_mapping; } -static inline void F2FS_SET_SB_DIRT(struct f2fs_sb_info *sbi) +static inline bool is_sbi_flag_set(struct f2fs_sb_info *sbi, unsigned int type) { - sbi->s_dirty = 1; + return sbi->s_flag & (0x01 << type); } -static inline void F2FS_RESET_SB_DIRT(struct f2fs_sb_info *sbi) +static inline void set_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) { - sbi->s_dirty = 0; + sbi->s_flag |= (0x01 << type); +} + +static inline void clear_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) +{ + sbi->s_flag &= ~(0x01 << type); } static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp) @@ -741,6 +772,28 @@ static inline void f2fs_unlock_all(struct f2fs_sb_info *sbi) up_write(&sbi->cp_rwsem); } +static inline int __get_cp_reason(struct f2fs_sb_info *sbi) +{ + int reason = CP_SYNC; + + if (test_opt(sbi, FASTBOOT)) + reason = CP_FASTBOOT; + if (is_sbi_flag_set(sbi, SBI_IS_CLOSE)) + reason = CP_UMOUNT; + return reason; +} + +static inline bool __remain_node_summaries(int reason) +{ + return (reason == CP_UMOUNT || reason == CP_FASTBOOT); +} + +static inline bool __exist_node_summaries(struct f2fs_sb_info *sbi) +{ + return (is_set_ckpt_flags(F2FS_CKPT(sbi), CP_UMOUNT_FLAG) || + is_set_ckpt_flags(F2FS_CKPT(sbi), CP_FASTBOOT_FLAG)); +} + /* * Check whether the given nid is within node id range. */ @@ -805,7 +858,7 @@ static inline void dec_valid_block_count(struct f2fs_sb_info *sbi, static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type) { atomic_inc(&sbi->nr_pages[count_type]); - F2FS_SET_SB_DIRT(sbi); + set_sbi_flag(sbi, SBI_IS_DIRTY); } static inline void inode_inc_dirty_pages(struct inode *inode) @@ -1113,6 +1166,7 @@ enum { FI_NEED_IPU, /* used for ipu per file */ FI_ATOMIC_FILE, /* indicate atomic file */ FI_VOLATILE_FILE, /* indicate volatile file */ + FI_DROP_CACHE, /* drop dirty page cache */ FI_DATA_EXIST, /* indicate data exists */ }; @@ -1220,6 +1274,11 @@ static inline bool f2fs_is_volatile_file(struct inode *inode) return is_inode_flag_set(F2FS_I(inode), FI_VOLATILE_FILE); } +static inline bool f2fs_is_drop_cache(struct inode *inode) +{ + return is_inode_flag_set(F2FS_I(inode), FI_DROP_CACHE); +} + static inline void *inline_data_addr(struct page *page) { struct f2fs_inode *ri = F2FS_INODE(page); @@ -1389,7 +1448,6 @@ void destroy_node_manager_caches(void); * segment.c */ void register_inmem_page(struct inode *, struct page *); -void invalidate_inmem_page(struct inode *, struct page *); void commit_inmem_pages(struct inode *, bool); void f2fs_balance_fs(struct f2fs_sb_info *); void f2fs_balance_fs_bg(struct f2fs_sb_info *); @@ -1401,16 +1459,16 @@ void refresh_sit_entry(struct f2fs_sb_info *, block_t, block_t); void clear_prefree_segments(struct f2fs_sb_info *); void release_discard_addrs(struct f2fs_sb_info *); void discard_next_dnode(struct f2fs_sb_info *, block_t); -int npages_for_summary_flush(struct f2fs_sb_info *); +int npages_for_summary_flush(struct f2fs_sb_info *, bool); void allocate_new_segments(struct f2fs_sb_info *); int f2fs_trim_fs(struct f2fs_sb_info *, struct fstrim_range *); struct page *get_sum_page(struct f2fs_sb_info *, unsigned int); void write_meta_page(struct f2fs_sb_info *, struct page *); void write_node_page(struct f2fs_sb_info *, struct page *, - struct f2fs_io_info *, unsigned int, block_t, block_t *); -void write_data_page(struct page *, struct dnode_of_data *, block_t *, - struct f2fs_io_info *); -void rewrite_data_page(struct page *, block_t, struct f2fs_io_info *); + unsigned int, struct f2fs_io_info *); +void write_data_page(struct page *, struct dnode_of_data *, + struct f2fs_io_info *); +void rewrite_data_page(struct page *, struct f2fs_io_info *); void recover_data_page(struct f2fs_sb_info *, struct page *, struct f2fs_summary *, block_t, block_t); void allocate_data_block(struct f2fs_sb_info *, struct page *, @@ -1457,17 +1515,20 @@ void destroy_checkpoint_caches(void); * data.c */ void f2fs_submit_merged_bio(struct f2fs_sb_info *, enum page_type, int); -int f2fs_submit_page_bio(struct f2fs_sb_info *, struct page *, block_t, int); -void f2fs_submit_page_mbio(struct f2fs_sb_info *, struct page *, block_t, +int f2fs_submit_page_bio(struct f2fs_sb_info *, struct page *, + struct f2fs_io_info *); +void f2fs_submit_page_mbio(struct f2fs_sb_info *, struct page *, struct f2fs_io_info *); int reserve_new_block(struct dnode_of_data *); int f2fs_reserve_block(struct dnode_of_data *, pgoff_t); -void update_extent_cache(block_t, struct dnode_of_data *); +void update_extent_cache(struct dnode_of_data *); struct page *find_data_page(struct inode *, pgoff_t, bool); struct page *get_lock_data_page(struct inode *, pgoff_t); struct page *get_new_data_page(struct inode *, struct page *, pgoff_t, bool); int do_write_data_page(struct page *, struct f2fs_io_info *); int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *, u64, u64); +void f2fs_invalidate_page(struct page *, unsigned int, unsigned int); +int f2fs_release_page(struct page *, gfp_t); /* * gc.c @@ -1477,8 +1538,6 @@ void stop_gc_thread(struct f2fs_sb_info *); block_t start_bidx_of_node(unsigned int, struct f2fs_inode_info *); int f2fs_gc(struct f2fs_sb_info *); void build_gc_manager(struct f2fs_sb_info *); -int __init create_gc_caches(void); -void destroy_gc_caches(void); /* * recovery.c @@ -1497,9 +1556,9 @@ struct f2fs_stat_info { int main_area_segs, main_area_sections, main_area_zones; int hit_ext, total_ext; int ndirty_node, ndirty_dent, ndirty_dirs, ndirty_meta; - int nats, sits, fnids; + int nats, dirty_nats, sits, dirty_sits, fnids; int total_count, utilization; - int bg_gc, inline_inode, inline_dir, inmem_pages; + int bg_gc, inline_inode, inline_dir, inmem_pages, wb_pages; unsigned int valid_count, valid_node_count, valid_inode_count; unsigned int bimodal, avg_vblocks; int util_free, util_valid, util_invalid; @@ -1514,7 +1573,8 @@ struct f2fs_stat_info { unsigned int segment_count[2]; unsigned int block_count[2]; - unsigned base_mem, cache_mem; + unsigned int inplace_count; + unsigned base_mem, cache_mem, page_mem; }; static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) @@ -1553,7 +1613,8 @@ static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) ((sbi)->segment_count[(curseg)->alloc_type]++) #define stat_inc_block_count(sbi, curseg) \ ((sbi)->block_count[(curseg)->alloc_type]++) - +#define stat_inc_inplace_blocks(sbi) \ + (atomic_inc(&(sbi)->inplace_count)) #define stat_inc_seg_count(sbi, type) \ do { \ struct f2fs_stat_info *si = F2FS_STAT(sbi); \ @@ -1599,6 +1660,7 @@ void f2fs_destroy_root_stats(void); #define stat_dec_inline_dir(inode) #define stat_inc_seg_type(sbi, curseg) #define stat_inc_block_count(sbi, curseg) +#define stat_inc_inplace_blocks(sbi) #define stat_inc_seg_count(si, type) #define stat_inc_tot_blk_count(si, blks) #define stat_inc_data_blk_count(si, blks) @@ -1619,6 +1681,7 @@ extern const struct address_space_operations f2fs_meta_aops; extern const struct inode_operations f2fs_dir_inode_operations; extern const struct inode_operations f2fs_symlink_inode_operations; extern const struct inode_operations f2fs_special_inode_operations; +extern struct kmem_cache *inode_entry_slab; /* * inline.c @@ -1629,7 +1692,6 @@ int f2fs_read_inline_data(struct inode *, struct page *); int f2fs_convert_inline_page(struct dnode_of_data *, struct page *); int f2fs_convert_inline_inode(struct inode *); int f2fs_write_inline_data(struct inode *, struct page *); -void truncate_inline_data(struct page *, u64); bool recover_inline_data(struct inode *, struct page *); struct f2fs_dir_entry *find_in_inline_dir(struct inode *, struct qstr *, struct page **); diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 5674ba13102b..98dac27bc3f7 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -26,6 +26,7 @@ #include "segment.h" #include "xattr.h" #include "acl.h" +#include "trace.h" #include <trace/events/f2fs.h> static int f2fs_vm_page_mkwrite(struct vm_area_struct *vma, @@ -245,6 +246,10 @@ go_write: sync_nodes: sync_node_pages(sbi, ino, &wbc); + /* if cp_error was enabled, we should avoid infinite loop */ + if (unlikely(f2fs_cp_error(sbi))) + goto out; + if (need_inode_block_update(sbi, ino)) { mark_inode_dirty_sync(inode); f2fs_write_inode(inode, NULL); @@ -264,6 +269,7 @@ flush_out: ret = f2fs_issue_flush(sbi); out: trace_f2fs_sync_file_exit(inode, need_cp, datasync, ret); + f2fs_trace_ios(NULL, NULL, 1); return ret; } @@ -350,7 +356,7 @@ static loff_t f2fs_seek_block(struct file *file, loff_t offset, int whence) /* find data/hole in dnode block */ for (; dn.ofs_in_node < end_offset; dn.ofs_in_node++, pgofs++, - data_ofs = pgofs << PAGE_CACHE_SHIFT) { + data_ofs = (loff_t)pgofs << PAGE_CACHE_SHIFT) { block_t blkaddr; blkaddr = datablock_addr(dn.node_page, dn.ofs_in_node); @@ -426,7 +432,8 @@ int truncate_data_blocks_range(struct dnode_of_data *dn, int count) if (blkaddr == NULL_ADDR) continue; - update_extent_cache(NULL_ADDR, dn); + dn->data_blkaddr = NULL_ADDR; + update_extent_cache(dn); invalidate_blocks(sbi, blkaddr); nr_free++; } @@ -483,8 +490,7 @@ int truncate_blocks(struct inode *inode, u64 from, bool lock) trace_f2fs_truncate_blocks_enter(inode, from); - free_from = (pgoff_t) - ((from + blocksize - 1) >> (sbi->log_blocksize)); + free_from = (pgoff_t)F2FS_BYTES_TO_BLK(from + blocksize - 1); if (lock) f2fs_lock_op(sbi); @@ -835,6 +841,19 @@ static long f2fs_fallocate(struct file *file, int mode, return ret; } +static int f2fs_release_file(struct inode *inode, struct file *filp) +{ + /* some remained atomic pages should discarded */ + if (f2fs_is_atomic_file(inode)) + commit_inmem_pages(inode, true); + if (f2fs_is_volatile_file(inode)) { + set_inode_flag(F2FS_I(inode), FI_DROP_CACHE); + filemap_fdatawrite(inode->i_mapping); + clear_inode_flag(F2FS_I(inode), FI_DROP_CACHE); + } + return 0; +} + #define F2FS_REG_FLMASK (~(FS_DIRSYNC_FL | FS_TOPDIR_FL)) #define F2FS_OTHER_FLMASK (FS_NODUMP_FL | FS_NOATIME_FL) @@ -905,29 +924,30 @@ out: return ret; } +static int f2fs_ioc_getversion(struct file *filp, unsigned long arg) +{ + struct inode *inode = file_inode(filp); + + return put_user(inode->i_generation, (int __user *)arg); +} + static int f2fs_ioc_start_atomic_write(struct file *filp) { struct inode *inode = file_inode(filp); - struct f2fs_sb_info *sbi = F2FS_I_SB(inode); if (!inode_owner_or_capable(inode)) return -EACCES; - f2fs_balance_fs(sbi); + f2fs_balance_fs(F2FS_I_SB(inode)); + + if (f2fs_is_atomic_file(inode)) + return 0; set_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE); return f2fs_convert_inline_inode(inode); } -static int f2fs_release_file(struct inode *inode, struct file *filp) -{ - /* some remained atomic pages should discarded */ - if (f2fs_is_atomic_file(inode) || f2fs_is_volatile_file(inode)) - commit_inmem_pages(inode, true); - return 0; -} - static int f2fs_ioc_commit_atomic_write(struct file *filp) { struct inode *inode = file_inode(filp); @@ -948,6 +968,7 @@ static int f2fs_ioc_commit_atomic_write(struct file *filp) ret = f2fs_sync_file(filp, 0, LONG_MAX, 0); mnt_drop_write_file(filp); + clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE); return ret; } @@ -958,11 +979,56 @@ static int f2fs_ioc_start_volatile_write(struct file *filp) if (!inode_owner_or_capable(inode)) return -EACCES; + if (f2fs_is_volatile_file(inode)) + return 0; + set_inode_flag(F2FS_I(inode), FI_VOLATILE_FILE); return f2fs_convert_inline_inode(inode); } +static int f2fs_ioc_release_volatile_write(struct file *filp) +{ + struct inode *inode = file_inode(filp); + + if (!inode_owner_or_capable(inode)) + return -EACCES; + + if (!f2fs_is_volatile_file(inode)) + return 0; + + punch_hole(inode, 0, F2FS_BLKSIZE); + return 0; +} + +static int f2fs_ioc_abort_volatile_write(struct file *filp) +{ + struct inode *inode = file_inode(filp); + int ret; + + if (!inode_owner_or_capable(inode)) + return -EACCES; + + ret = mnt_want_write_file(filp); + if (ret) + return ret; + + f2fs_balance_fs(F2FS_I_SB(inode)); + + if (f2fs_is_atomic_file(inode)) { + commit_inmem_pages(inode, false); + clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE); + } + + if (f2fs_is_volatile_file(inode)) { + clear_inode_flag(F2FS_I(inode), FI_VOLATILE_FILE); + filemap_fdatawrite(inode->i_mapping); + set_inode_flag(F2FS_I(inode), FI_VOLATILE_FILE); + } + mnt_drop_write_file(filp); + return ret; +} + static int f2fs_ioc_fitrim(struct file *filp, unsigned long arg) { struct inode *inode = file_inode(filp); @@ -1000,12 +1066,18 @@ long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) return f2fs_ioc_getflags(filp, arg); case F2FS_IOC_SETFLAGS: return f2fs_ioc_setflags(filp, arg); + case F2FS_IOC_GETVERSION: + return f2fs_ioc_getversion(filp, arg); case F2FS_IOC_START_ATOMIC_WRITE: return f2fs_ioc_start_atomic_write(filp); case F2FS_IOC_COMMIT_ATOMIC_WRITE: return f2fs_ioc_commit_atomic_write(filp); case F2FS_IOC_START_VOLATILE_WRITE: return f2fs_ioc_start_volatile_write(filp); + case F2FS_IOC_RELEASE_VOLATILE_WRITE: + return f2fs_ioc_release_volatile_write(filp); + case F2FS_IOC_ABORT_VOLATILE_WRITE: + return f2fs_ioc_abort_volatile_write(filp); case FITRIM: return f2fs_ioc_fitrim(filp, arg); default: diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index eec0933a4819..76adbc3641f1 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -24,8 +24,6 @@ #include "gc.h" #include <trace/events/f2fs.h> -static struct kmem_cache *winode_slab; - static int gc_thread_func(void *data) { struct f2fs_sb_info *sbi = data; @@ -46,7 +44,7 @@ static int gc_thread_func(void *data) break; if (sbi->sb->s_writers.frozen >= SB_FREEZE_WRITE) { - wait_ms = increase_sleep_time(gc_th, wait_ms); + increase_sleep_time(gc_th, &wait_ms); continue; } @@ -67,15 +65,15 @@ static int gc_thread_func(void *data) continue; if (!is_idle(sbi)) { - wait_ms = increase_sleep_time(gc_th, wait_ms); + increase_sleep_time(gc_th, &wait_ms); mutex_unlock(&sbi->gc_mutex); continue; } if (has_enough_invalid_blocks(sbi)) - wait_ms = decrease_sleep_time(gc_th, wait_ms); + decrease_sleep_time(gc_th, &wait_ms); else - wait_ms = increase_sleep_time(gc_th, wait_ms); + increase_sleep_time(gc_th, &wait_ms); stat_inc_bggc_count(sbi); @@ -356,13 +354,10 @@ static void add_gc_inode(struct gc_inode_list *gc_list, struct inode *inode) iput(inode); return; } - new_ie = f2fs_kmem_cache_alloc(winode_slab, GFP_NOFS); + new_ie = f2fs_kmem_cache_alloc(inode_entry_slab, GFP_NOFS); new_ie->inode = inode; -retry: - if (radix_tree_insert(&gc_list->iroot, inode->i_ino, new_ie)) { - cond_resched(); - goto retry; - } + + f2fs_radix_tree_insert(&gc_list->iroot, inode->i_ino, new_ie); list_add_tail(&new_ie->list, &gc_list->ilist); } @@ -373,7 +368,7 @@ static void put_gc_inode(struct gc_inode_list *gc_list) radix_tree_delete(&gc_list->iroot, ie->inode->i_ino); iput(ie->inode); list_del(&ie->list); - kmem_cache_free(winode_slab, ie); + kmem_cache_free(inode_entry_slab, ie); } } @@ -703,8 +698,7 @@ int f2fs_gc(struct f2fs_sb_info *sbi) .iroot = RADIX_TREE_INIT(GFP_NOFS), }; - cpc.reason = test_opt(sbi, FASTBOOT) ? CP_UMOUNT : CP_SYNC; - + cpc.reason = __get_cp_reason(sbi); gc_more: if (unlikely(!(sbi->sb->s_flags & MS_ACTIVE))) goto stop; @@ -750,17 +744,3 @@ void build_gc_manager(struct f2fs_sb_info *sbi) { DIRTY_I(sbi)->v_ops = &default_v_ops; } - -int __init create_gc_caches(void) -{ - winode_slab = f2fs_kmem_cache_create("f2fs_gc_inodes", - sizeof(struct inode_entry)); - if (!winode_slab) - return -ENOMEM; - return 0; -} - -void destroy_gc_caches(void) -{ - kmem_cache_destroy(winode_slab); -} diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h index 6ff7ad38463e..b4a65be9f7d3 100644 --- a/fs/f2fs/gc.h +++ b/fs/f2fs/gc.h @@ -35,11 +35,6 @@ struct f2fs_gc_kthread { unsigned int gc_idle; }; -struct inode_entry { - struct list_head list; - struct inode *inode; -}; - struct gc_inode_list { struct list_head ilist; struct radix_tree_root iroot; @@ -69,26 +64,26 @@ static inline block_t limit_free_user_blocks(struct f2fs_sb_info *sbi) return (long)(reclaimable_user_blocks * LIMIT_FREE_BLOCK) / 100; } -static inline long increase_sleep_time(struct f2fs_gc_kthread *gc_th, long wait) +static inline void increase_sleep_time(struct f2fs_gc_kthread *gc_th, + long *wait) { - if (wait == gc_th->no_gc_sleep_time) - return wait; + if (*wait == gc_th->no_gc_sleep_time) + return; - wait += gc_th->min_sleep_time; - if (wait > gc_th->max_sleep_time) - wait = gc_th->max_sleep_time; - return wait; + *wait += gc_th->min_sleep_time; + if (*wait > gc_th->max_sleep_time) + *wait = gc_th->max_sleep_time; } -static inline long decrease_sleep_time(struct f2fs_gc_kthread *gc_th, long wait) +static inline void decrease_sleep_time(struct f2fs_gc_kthread *gc_th, + long *wait) { - if (wait == gc_th->no_gc_sleep_time) - wait = gc_th->max_sleep_time; + if (*wait == gc_th->no_gc_sleep_time) + *wait = gc_th->max_sleep_time; - wait -= gc_th->min_sleep_time; - if (wait <= gc_th->min_sleep_time) - wait = gc_th->min_sleep_time; - return wait; + *wait -= gc_th->min_sleep_time; + if (*wait <= gc_th->min_sleep_time) + *wait = gc_th->min_sleep_time; } static inline bool has_enough_invalid_blocks(struct f2fs_sb_info *sbi) diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c index f2d3c581e776..1484c00133cd 100644 --- a/fs/f2fs/inline.c +++ b/fs/f2fs/inline.c @@ -50,6 +50,12 @@ void read_inline_data(struct page *page, struct page *ipage) SetPageUptodate(page); } +static void truncate_inline_data(struct page *ipage) +{ + f2fs_wait_on_page_writeback(ipage, NODE); + memset(inline_data_addr(ipage), 0, MAX_INLINE_DATA); +} + int f2fs_read_inline_data(struct inode *inode, struct page *page) { struct page *ipage; @@ -79,7 +85,6 @@ int f2fs_read_inline_data(struct inode *inode, struct page *page) int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page) { void *src_addr, *dst_addr; - block_t new_blk_addr; struct f2fs_io_info fio = { .type = DATA, .rw = WRITE_SYNC | REQ_PRIO, @@ -115,9 +120,9 @@ no_update: /* write data page to try to make data consistent */ set_page_writeback(page); - - write_data_page(page, dn, &new_blk_addr, &fio); - update_extent_cache(new_blk_addr, dn); + fio.blk_addr = dn->data_blkaddr; + write_data_page(page, dn, &fio); + update_extent_cache(dn); f2fs_wait_on_page_writeback(page, DATA); if (dirty) inode_dec_dirty_pages(dn->inode); @@ -126,7 +131,7 @@ no_update: set_inode_flag(F2FS_I(dn->inode), FI_APPEND_WRITE); /* clear inline data and flag after data writeback */ - truncate_inline_data(dn->inode_page, 0); + truncate_inline_data(dn->inode_page); clear_out: stat_dec_inline_inode(dn->inode); f2fs_clear_inline_inode(dn->inode); @@ -199,19 +204,6 @@ int f2fs_write_inline_data(struct inode *inode, struct page *page) return 0; } -void truncate_inline_data(struct page *ipage, u64 from) -{ - void *addr; - - if (from >= MAX_INLINE_DATA) - return; - - f2fs_wait_on_page_writeback(ipage, NODE); - - addr = inline_data_addr(ipage); - memset(addr + from, 0, MAX_INLINE_DATA - from); -} - bool recover_inline_data(struct inode *inode, struct page *npage) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); @@ -253,7 +245,7 @@ process_inline: if (f2fs_has_inline_data(inode)) { ipage = get_node_page(sbi, inode->i_ino); f2fs_bug_on(sbi, IS_ERR(ipage)); - truncate_inline_data(ipage, 0); + truncate_inline_data(ipage); f2fs_clear_inline_inode(inode); update_inode(inode, ipage); f2fs_put_page(ipage, 1); @@ -371,7 +363,7 @@ static int f2fs_convert_inline_dir(struct inode *dir, struct page *ipage, set_page_dirty(page); /* clear inline dir and flag after data writeback */ - truncate_inline_data(ipage, 0); + truncate_inline_data(ipage); stat_dec_inline_dir(dir); clear_inode_flag(F2FS_I(dir), FI_INLINE_DENTRY); diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index 196cc7843aaf..2d002e3738a7 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -67,29 +67,23 @@ static void __set_inode_rdev(struct inode *inode, struct f2fs_inode *ri) } } -static int __recover_inline_status(struct inode *inode, struct page *ipage) +static void __recover_inline_status(struct inode *inode, struct page *ipage) { void *inline_data = inline_data_addr(ipage); - struct f2fs_inode *ri; - void *zbuf; + __le32 *start = inline_data; + __le32 *end = start + MAX_INLINE_DATA / sizeof(__le32); - zbuf = kzalloc(MAX_INLINE_DATA, GFP_NOFS); - if (!zbuf) - return -ENOMEM; + while (start < end) { + if (*start++) { + f2fs_wait_on_page_writeback(ipage, NODE); - if (!memcmp(zbuf, inline_data, MAX_INLINE_DATA)) { - kfree(zbuf); - return 0; + set_inode_flag(F2FS_I(inode), FI_DATA_EXIST); + set_raw_inline(F2FS_I(inode), F2FS_INODE(ipage)); + set_page_dirty(ipage); + return; + } } - kfree(zbuf); - - f2fs_wait_on_page_writeback(ipage, NODE); - set_inode_flag(F2FS_I(inode), FI_DATA_EXIST); - - ri = F2FS_INODE(ipage); - set_raw_inline(F2FS_I(inode), ri); - set_page_dirty(ipage); - return 0; + return; } static int do_read_inode(struct inode *inode) @@ -98,7 +92,6 @@ static int do_read_inode(struct inode *inode) struct f2fs_inode_info *fi = F2FS_I(inode); struct page *node_page; struct f2fs_inode *ri; - int err = 0; /* Check if ino is within scope */ if (check_nid_range(sbi, inode->i_ino)) { @@ -142,7 +135,7 @@ static int do_read_inode(struct inode *inode) /* check data exist */ if (f2fs_has_inline_data(inode) && !f2fs_exist_data(inode)) - err = __recover_inline_status(inode, node_page); + __recover_inline_status(inode, node_page); /* get rdev by using inline_info */ __get_inode_rdev(inode, ri); @@ -152,7 +145,7 @@ static int do_read_inode(struct inode *inode) stat_inc_inline_inode(inode); stat_inc_inline_dir(inode); - return err; + return 0; } struct inode *f2fs_iget(struct super_block *sb, unsigned long ino) @@ -304,7 +297,7 @@ void f2fs_evict_inode(struct inode *inode) nid_t xnid = F2FS_I(inode)->i_xattr_nid; /* some remained atomic pages should discarded */ - if (f2fs_is_atomic_file(inode) || f2fs_is_volatile_file(inode)) + if (f2fs_is_atomic_file(inode)) commit_inmem_pages(inode, true); trace_f2fs_evict_inode(inode); diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index 547a2deeb1ac..e79639a9787a 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -299,7 +299,7 @@ static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) inode->i_op = &f2fs_dir_inode_operations; inode->i_fop = &f2fs_dir_operations; inode->i_mapping->a_ops = &f2fs_dblock_aops; - mapping_set_gfp_mask(inode->i_mapping, GFP_F2FS_ZERO); + mapping_set_gfp_mask(inode->i_mapping, GFP_F2FS_HIGH_ZERO); set_inode_flag(F2FS_I(inode), FI_INC_LINK); f2fs_lock_op(sbi); diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index f83326ca32ef..97bd9d3db882 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -19,6 +19,7 @@ #include "f2fs.h" #include "node.h" #include "segment.h" +#include "trace.h" #include <trace/events/f2fs.h> #define on_build_free_nids(nmi) mutex_is_locked(&nm_i->build_lock) @@ -57,12 +58,13 @@ bool available_free_memory(struct f2fs_sb_info *sbi, int type) } else if (type == INO_ENTRIES) { int i; - if (sbi->sb->s_bdi->dirty_exceeded) - return false; for (i = 0; i <= UPDATE_INO; i++) mem_size += (sbi->im[i].ino_num * sizeof(struct ino_entry)) >> PAGE_CACHE_SHIFT; res = mem_size < ((avail_ram * nm_i->ram_thresh / 100) >> 1); + } else { + if (sbi->sb->s_bdi->dirty_exceeded) + return false; } return res; } @@ -268,7 +270,7 @@ static void set_node_addr(struct f2fs_sb_info *sbi, struct node_info *ni, e = __lookup_nat_cache(nm_i, ni->nid); if (!e) { e = grab_nat_entry(nm_i, ni->nid); - e->ni = *ni; + copy_node_info(&e->ni, ni); f2fs_bug_on(sbi, ni->blk_addr == NEW_ADDR); } else if (new_blkaddr == NEW_ADDR) { /* @@ -276,7 +278,7 @@ static void set_node_addr(struct f2fs_sb_info *sbi, struct node_info *ni, * previous nat entry can be remained in nat cache. * So, reinitialize it with new information. */ - e->ni = *ni; + copy_node_info(&e->ni, ni); f2fs_bug_on(sbi, ni->blk_addr != NULL_ADDR); } @@ -346,7 +348,6 @@ void get_node_info(struct f2fs_sb_info *sbi, nid_t nid, struct node_info *ni) struct nat_entry *e; int i; - memset(&ne, 0, sizeof(struct f2fs_nat_entry)); ni->nid = nid; /* Check nat cache */ @@ -361,6 +362,8 @@ void get_node_info(struct f2fs_sb_info *sbi, nid_t nid, struct node_info *ni) if (e) return; + memset(&ne, 0, sizeof(struct f2fs_nat_entry)); + /* Check current segment summary */ mutex_lock(&curseg->curseg_mutex); i = lookup_journal_in_cursum(sum, NAT_JOURNAL, nid, 0); @@ -471,7 +474,7 @@ int get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode) { struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode); struct page *npage[4]; - struct page *parent; + struct page *parent = NULL; int offset[4]; unsigned int noffset[4]; nid_t nids[4]; @@ -488,6 +491,14 @@ int get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode) if (IS_ERR(npage[0])) return PTR_ERR(npage[0]); } + + /* if inline_data is set, should not report any block indices */ + if (f2fs_has_inline_data(dn->inode) && index) { + err = -EINVAL; + f2fs_put_page(npage[0], 1); + goto release_out; + } + parent = npage[0]; if (level != 0) nids[1] = get_nid(parent, offset[0], true); @@ -585,7 +596,7 @@ static void truncate_node(struct dnode_of_data *dn) } invalidate: clear_node_page_dirty(dn->node_page); - F2FS_SET_SB_DIRT(sbi); + set_sbi_flag(sbi, SBI_IS_DIRTY); f2fs_put_page(dn->node_page, 1); @@ -976,6 +987,10 @@ static int read_node_page(struct page *page, int rw) { struct f2fs_sb_info *sbi = F2FS_P_SB(page); struct node_info ni; + struct f2fs_io_info fio = { + .type = NODE, + .rw = rw, + }; get_node_info(sbi, page->index, &ni); @@ -987,7 +1002,8 @@ static int read_node_page(struct page *page, int rw) if (PageUptodate(page)) return LOCKED_PAGE; - return f2fs_submit_page_bio(sbi, page, ni.blk_addr, rw); + fio.blk_addr = ni.blk_addr; + return f2fs_submit_page_bio(sbi, page, &fio); } /* @@ -1028,11 +1044,11 @@ repeat: err = read_node_page(page, READ_SYNC); if (err < 0) return ERR_PTR(err); - else if (err == LOCKED_PAGE) - goto got_it; + else if (err != LOCKED_PAGE) + lock_page(page); - lock_page(page); if (unlikely(!PageUptodate(page) || nid != nid_of_node(page))) { + ClearPageUptodate(page); f2fs_put_page(page, 1); return ERR_PTR(-EIO); } @@ -1040,7 +1056,6 @@ repeat: f2fs_put_page(page, 1); goto repeat; } -got_it: return page; } @@ -1268,7 +1283,6 @@ static int f2fs_write_node_page(struct page *page, { struct f2fs_sb_info *sbi = F2FS_P_SB(page); nid_t nid; - block_t new_addr; struct node_info ni; struct f2fs_io_info fio = { .type = NODE, @@ -1277,7 +1291,7 @@ static int f2fs_write_node_page(struct page *page, trace_f2fs_writepage(page, NODE); - if (unlikely(sbi->por_doing)) + if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING))) goto redirty_out; if (unlikely(f2fs_cp_error(sbi))) goto redirty_out; @@ -1303,9 +1317,11 @@ static int f2fs_write_node_page(struct page *page, } else { down_read(&sbi->node_write); } + set_page_writeback(page); - write_node_page(sbi, page, &fio, nid, ni.blk_addr, &new_addr); - set_node_addr(sbi, &ni, new_addr, is_fsync_dnode(page)); + fio.blk_addr = ni.blk_addr; + write_node_page(sbi, page, nid, &fio); + set_node_addr(sbi, &ni, fio.blk_addr, is_fsync_dnode(page)); dec_page_count(sbi, F2FS_DIRTY_NODES); up_read(&sbi->node_write); unlock_page(page); @@ -1355,26 +1371,12 @@ static int f2fs_set_node_page_dirty(struct page *page) __set_page_dirty_nobuffers(page); inc_page_count(F2FS_P_SB(page), F2FS_DIRTY_NODES); SetPagePrivate(page); + f2fs_trace_pid(page); return 1; } return 0; } -static void f2fs_invalidate_node_page(struct page *page, unsigned int offset, - unsigned int length) -{ - struct inode *inode = page->mapping->host; - if (PageDirty(page)) - dec_page_count(F2FS_I_SB(inode), F2FS_DIRTY_NODES); - ClearPagePrivate(page); -} - -static int f2fs_release_node_page(struct page *page, gfp_t wait) -{ - ClearPagePrivate(page); - return 1; -} - /* * Structure of the f2fs node operations */ @@ -1382,8 +1384,8 @@ const struct address_space_operations f2fs_node_aops = { .writepage = f2fs_write_node_page, .writepages = f2fs_write_node_pages, .set_page_dirty = f2fs_set_node_page_dirty, - .invalidatepage = f2fs_invalidate_node_page, - .releasepage = f2fs_release_node_page, + .invalidatepage = f2fs_invalidate_page, + .releasepage = f2fs_release_page, }; static struct free_nid *__lookup_free_nid_list(struct f2fs_nm_info *nm_i, @@ -1726,80 +1728,41 @@ int recover_inode_page(struct f2fs_sb_info *sbi, struct page *page) return 0; } -/* - * ra_sum_pages() merge contiguous pages into one bio and submit. - * these pre-read pages are allocated in bd_inode's mapping tree. - */ -static int ra_sum_pages(struct f2fs_sb_info *sbi, struct page **pages, - int start, int nrpages) -{ - struct inode *inode = sbi->sb->s_bdev->bd_inode; - struct address_space *mapping = inode->i_mapping; - int i, page_idx = start; - struct f2fs_io_info fio = { - .type = META, - .rw = READ_SYNC | REQ_META | REQ_PRIO - }; - - for (i = 0; page_idx < start + nrpages; page_idx++, i++) { - /* alloc page in bd_inode for reading node summary info */ - pages[i] = grab_cache_page(mapping, page_idx); - if (!pages[i]) - break; - f2fs_submit_page_mbio(sbi, pages[i], page_idx, &fio); - } - - f2fs_submit_merged_bio(sbi, META, READ); - return i; -} - int restore_node_summary(struct f2fs_sb_info *sbi, unsigned int segno, struct f2fs_summary_block *sum) { struct f2fs_node *rn; struct f2fs_summary *sum_entry; - struct inode *inode = sbi->sb->s_bdev->bd_inode; block_t addr; int bio_blocks = MAX_BIO_BLOCKS(sbi); - struct page *pages[bio_blocks]; - int i, idx, last_offset, nrpages, err = 0; + int i, idx, last_offset, nrpages; /* scan the node segment */ last_offset = sbi->blocks_per_seg; addr = START_BLOCK(sbi, segno); sum_entry = &sum->entries[0]; - for (i = 0; !err && i < last_offset; i += nrpages, addr += nrpages) { + for (i = 0; i < last_offset; i += nrpages, addr += nrpages) { nrpages = min(last_offset - i, bio_blocks); /* readahead node pages */ - nrpages = ra_sum_pages(sbi, pages, addr, nrpages); - if (!nrpages) - return -ENOMEM; + ra_meta_pages(sbi, addr, nrpages, META_POR); - for (idx = 0; idx < nrpages; idx++) { - if (err) - goto skip; + for (idx = addr; idx < addr + nrpages; idx++) { + struct page *page = get_meta_page(sbi, idx); - lock_page(pages[idx]); - if (unlikely(!PageUptodate(pages[idx]))) { - err = -EIO; - } else { - rn = F2FS_NODE(pages[idx]); - sum_entry->nid = rn->footer.nid; - sum_entry->version = 0; - sum_entry->ofs_in_node = 0; - sum_entry++; - } - unlock_page(pages[idx]); -skip: - page_cache_release(pages[idx]); + rn = F2FS_NODE(page); + sum_entry->nid = rn->footer.nid; + sum_entry->version = 0; + sum_entry->ofs_in_node = 0; + sum_entry++; + f2fs_put_page(page, 1); } - invalidate_mapping_pages(inode->i_mapping, addr, + invalidate_mapping_pages(META_MAPPING(sbi), addr, addr + nrpages); } - return err; + return 0; } static void remove_nats_in_journal(struct f2fs_sb_info *sbi) @@ -1923,7 +1886,7 @@ void flush_nat_entries(struct f2fs_sb_info *sbi) struct f2fs_nm_info *nm_i = NM_I(sbi); struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_HOT_DATA); struct f2fs_summary_block *sum = curseg->sum_blk; - struct nat_entry_set *setvec[NATVEC_SIZE]; + struct nat_entry_set *setvec[SETVEC_SIZE]; struct nat_entry_set *set, *tmp; unsigned int found; nid_t set_idx = 0; @@ -1940,7 +1903,7 @@ void flush_nat_entries(struct f2fs_sb_info *sbi) remove_nats_in_journal(sbi); while ((found = __gang_lookup_nat_set(nm_i, - set_idx, NATVEC_SIZE, setvec))) { + set_idx, SETVEC_SIZE, setvec))) { unsigned idx; set_idx = setvec[found - 1]->set + 1; for (idx = 0; idx < found; idx++) @@ -2020,6 +1983,7 @@ void destroy_node_manager(struct f2fs_sb_info *sbi) struct f2fs_nm_info *nm_i = NM_I(sbi); struct free_nid *i, *next_i; struct nat_entry *natvec[NATVEC_SIZE]; + struct nat_entry_set *setvec[SETVEC_SIZE]; nid_t nid = 0; unsigned int found; @@ -2044,11 +2008,27 @@ void destroy_node_manager(struct f2fs_sb_info *sbi) while ((found = __gang_lookup_nat_cache(nm_i, nid, NATVEC_SIZE, natvec))) { unsigned idx; + nid = nat_get_nid(natvec[found - 1]) + 1; for (idx = 0; idx < found; idx++) __del_from_nat_cache(nm_i, natvec[idx]); } f2fs_bug_on(sbi, nm_i->nat_cnt); + + /* destroy nat set cache */ + nid = 0; + while ((found = __gang_lookup_nat_set(nm_i, + nid, SETVEC_SIZE, setvec))) { + unsigned idx; + + nid = setvec[found - 1]->set + 1; + for (idx = 0; idx < found; idx++) { + /* entry_cnt is not zero, when cp_error was occurred */ + f2fs_bug_on(sbi, !list_empty(&setvec[idx]->entry_list)); + radix_tree_delete(&nm_i->nat_set_root, setvec[idx]->set); + kmem_cache_free(nat_entry_set_slab, setvec[idx]); + } + } up_write(&nm_i->nat_tree_lock); kfree(nm_i->nat_bitmap); diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h index d10b6448a671..f405bbf2435a 100644 --- a/fs/f2fs/node.h +++ b/fs/f2fs/node.h @@ -25,10 +25,19 @@ /* vector size for gang look-up from nat cache that consists of radix tree */ #define NATVEC_SIZE 64 +#define SETVEC_SIZE 32 /* return value for read_node_page */ #define LOCKED_PAGE 1 +/* For flag in struct node_info */ +enum { + IS_CHECKPOINTED, /* is it checkpointed before? */ + HAS_FSYNCED_INODE, /* is the inode fsynced before? */ + HAS_LAST_FSYNC, /* has the latest node fsync mark? */ + IS_DIRTY, /* this nat entry is dirty? */ +}; + /* * For node information */ @@ -37,18 +46,11 @@ struct node_info { nid_t ino; /* inode number of the node's owner */ block_t blk_addr; /* block address of the node */ unsigned char version; /* version of the node */ -}; - -enum { - IS_CHECKPOINTED, /* is it checkpointed before? */ - HAS_FSYNCED_INODE, /* is the inode fsynced before? */ - HAS_LAST_FSYNC, /* has the latest node fsync mark? */ - IS_DIRTY, /* this nat entry is dirty? */ + unsigned char flag; /* for node information bits */ }; struct nat_entry { struct list_head list; /* for clean or dirty nat list */ - unsigned char flag; /* for node information bits */ struct node_info ni; /* in-memory node information */ }; @@ -63,20 +65,30 @@ struct nat_entry { #define inc_node_version(version) (++version) +static inline void copy_node_info(struct node_info *dst, + struct node_info *src) +{ + dst->nid = src->nid; + dst->ino = src->ino; + dst->blk_addr = src->blk_addr; + dst->version = src->version; + /* should not copy flag here */ +} + static inline void set_nat_flag(struct nat_entry *ne, unsigned int type, bool set) { unsigned char mask = 0x01 << type; if (set) - ne->flag |= mask; + ne->ni.flag |= mask; else - ne->flag &= ~mask; + ne->ni.flag &= ~mask; } static inline bool get_nat_flag(struct nat_entry *ne, unsigned int type) { unsigned char mask = 0x01 << type; - return ne->flag & mask; + return ne->ni.flag & mask; } static inline void nat_reset_flag(struct nat_entry *ne) @@ -108,6 +120,7 @@ enum mem_type { NAT_ENTRIES, /* indicates the cached nat entry */ DIRTY_DENTS, /* indicates dirty dentry pages */ INO_ENTRIES, /* indicates inode entries */ + BASE_CHECK, /* check kernel status */ }; struct nat_entry_set { @@ -200,11 +213,19 @@ static inline void fill_node_footer(struct page *page, nid_t nid, nid_t ino, unsigned int ofs, bool reset) { struct f2fs_node *rn = F2FS_NODE(page); + unsigned int old_flag = 0; + if (reset) memset(rn, 0, sizeof(*rn)); + else + old_flag = le32_to_cpu(rn->footer.flag); + rn->footer.nid = cpu_to_le32(nid); rn->footer.ino = cpu_to_le32(ino); - rn->footer.flag = cpu_to_le32(ofs << OFFSET_BIT_SHIFT); + + /* should remain old flag bits such as COLD_BIT_SHIFT */ + rn->footer.flag = cpu_to_le32((ofs << OFFSET_BIT_SHIFT) | + (old_flag & OFFSET_BIT_MASK)); } static inline void copy_node_footer(struct page *dst, struct page *src) diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c index 9160a37e1c7a..41afb9534bbd 100644 --- a/fs/f2fs/recovery.c +++ b/fs/f2fs/recovery.c @@ -346,6 +346,10 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode, if (IS_INODE(page)) { recover_inline_xattr(inode, page); } else if (f2fs_has_xattr_block(ofs_of_node(page))) { + /* + * Deprecated; xattr blocks should be found from cold log. + * But, we should remain this for backward compatibility. + */ recover_xattr_data(inode, page, blkaddr); goto out; } @@ -396,7 +400,8 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode, /* write dummy data page */ recover_data_page(sbi, NULL, &sum, src, dest); - update_extent_cache(dest, &dn); + dn.data_blkaddr = dest; + update_extent_cache(&dn); recovered++; } dn.ofs_in_node++; @@ -503,7 +508,7 @@ int recover_fsync_data(struct f2fs_sb_info *sbi) INIT_LIST_HEAD(&inode_list); /* step #1: find fsynced inode numbers */ - sbi->por_doing = true; + set_sbi_flag(sbi, SBI_POR_DOING); /* prevent checkpoint */ mutex_lock(&sbi->cp_mutex); @@ -536,7 +541,7 @@ out: truncate_inode_pages_final(META_MAPPING(sbi)); } - sbi->por_doing = false; + clear_sbi_flag(sbi, SBI_POR_DOING); if (err) { discard_next_dnode(sbi, blkaddr); diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 42607a679923..daee4ab913da 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -20,6 +20,7 @@ #include "f2fs.h" #include "segment.h" #include "node.h" +#include "trace.h" #include <trace/events/f2fs.h> #define __reverse_ffz(x) __reverse_ffs(~(x)) @@ -181,6 +182,7 @@ void register_inmem_page(struct inode *inode, struct page *page) int err; SetPagePrivate(page); + f2fs_trace_pid(page); new = f2fs_kmem_cache_alloc(inmem_entry_slab, GFP_NOFS); @@ -205,23 +207,6 @@ retry: mutex_unlock(&fi->inmem_lock); } -void invalidate_inmem_page(struct inode *inode, struct page *page) -{ - struct f2fs_inode_info *fi = F2FS_I(inode); - struct inmem_pages *cur; - - mutex_lock(&fi->inmem_lock); - cur = radix_tree_lookup(&fi->inmem_root, page->index); - if (cur) { - radix_tree_delete(&fi->inmem_root, cur->page->index); - f2fs_put_page(cur->page, 0); - list_del(&cur->list); - kmem_cache_free(inmem_entry_slab, cur); - dec_page_count(F2FS_I_SB(inode), F2FS_INMEM_PAGES); - } - mutex_unlock(&fi->inmem_lock); -} - void commit_inmem_pages(struct inode *inode, bool abort) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); @@ -230,7 +215,7 @@ void commit_inmem_pages(struct inode *inode, bool abort) bool submit_bio = false; struct f2fs_io_info fio = { .type = DATA, - .rw = WRITE_SYNC, + .rw = WRITE_SYNC | REQ_PRIO, }; /* @@ -240,33 +225,38 @@ void commit_inmem_pages(struct inode *inode, bool abort) * Otherwise, f2fs_gc in f2fs_balance_fs can wait forever until this * inode becomes free by iget_locked in f2fs_iget. */ - if (!abort) + if (!abort) { f2fs_balance_fs(sbi); - - f2fs_lock_op(sbi); + f2fs_lock_op(sbi); + } mutex_lock(&fi->inmem_lock); list_for_each_entry_safe(cur, tmp, &fi->inmem_pages, list) { - lock_page(cur->page); - if (!abort && cur->page->mapping == inode->i_mapping) { - f2fs_wait_on_page_writeback(cur->page, DATA); - if (clear_page_dirty_for_io(cur->page)) - inode_dec_dirty_pages(inode); - do_write_data_page(cur->page, &fio); - submit_bio = true; + if (!abort) { + lock_page(cur->page); + if (cur->page->mapping == inode->i_mapping) { + f2fs_wait_on_page_writeback(cur->page, DATA); + if (clear_page_dirty_for_io(cur->page)) + inode_dec_dirty_pages(inode); + do_write_data_page(cur->page, &fio); + submit_bio = true; + } + f2fs_put_page(cur->page, 1); + } else { + put_page(cur->page); } radix_tree_delete(&fi->inmem_root, cur->page->index); - f2fs_put_page(cur->page, 1); list_del(&cur->list); kmem_cache_free(inmem_entry_slab, cur); dec_page_count(F2FS_I_SB(inode), F2FS_INMEM_PAGES); } - if (submit_bio) - f2fs_submit_merged_bio(sbi, DATA, WRITE); mutex_unlock(&fi->inmem_lock); - filemap_fdatawait_range(inode->i_mapping, 0, LLONG_MAX); - f2fs_unlock_op(sbi); + if (!abort) { + f2fs_unlock_op(sbi); + if (submit_bio) + f2fs_submit_merged_bio(sbi, DATA, WRITE); + } } /* @@ -290,7 +280,7 @@ void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi) /* check the # of cached NAT entries and prefree segments */ if (try_to_free_nats(sbi, NAT_ENTRY_PER_BLOCK) || excess_prefree_segs(sbi) || - available_free_memory(sbi, INO_ENTRIES)) + !available_free_memory(sbi, INO_ENTRIES)) f2fs_sync_fs(sbi->sb, true); } @@ -515,12 +505,13 @@ static void add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc) struct seg_entry *se = get_seg_entry(sbi, cpc->trim_start); unsigned long *cur_map = (unsigned long *)se->cur_valid_map; unsigned long *ckpt_map = (unsigned long *)se->ckpt_valid_map; - unsigned long dmap[entries]; + unsigned long *dmap = SIT_I(sbi)->tmp_map; unsigned int start = 0, end = -1; bool force = (cpc->reason == CP_DISCARD); int i; - if (!force && !test_opt(sbi, DISCARD)) + if (!force && (!test_opt(sbi, DISCARD) || + SM_I(sbi)->nr_discards >= SM_I(sbi)->max_discards)) return; if (force && !se->valid_blocks) { @@ -548,7 +539,8 @@ static void add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc) /* SIT_VBLOCK_MAP_SIZE should be multiple of sizeof(unsigned long) */ for (i = 0; i < entries; i++) - dmap[i] = ~(cur_map[i] | ckpt_map[i]); + dmap[i] = force ? ~ckpt_map[i] : + (cur_map[i] ^ ckpt_map[i]) & ckpt_map[i]; while (force || SM_I(sbi)->nr_discards <= SM_I(sbi)->max_discards) { start = __find_rev_next_bit(dmap, max_blocks, end + 1); @@ -735,7 +727,7 @@ static void __add_sum_entry(struct f2fs_sb_info *sbi, int type, /* * Calculate the number of current summary pages for writing */ -int npages_for_summary_flush(struct f2fs_sb_info *sbi) +int npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra) { int valid_sum_count = 0; int i, sum_in_page; @@ -743,8 +735,13 @@ int npages_for_summary_flush(struct f2fs_sb_info *sbi) for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++) { if (sbi->ckpt->alloc_type[i] == SSR) valid_sum_count += sbi->blocks_per_seg; - else - valid_sum_count += curseg_blkoff(sbi, i); + else { + if (for_ra) + valid_sum_count += le16_to_cpu( + F2FS_CKPT(sbi)->cur_data_blkoff[i]); + else + valid_sum_count += curseg_blkoff(sbi, i); + } } sum_in_page = (PAGE_CACHE_SIZE - 2 * SUM_JOURNAL_SIZE - @@ -803,7 +800,7 @@ static void get_new_segment(struct f2fs_sb_info *sbi, int go_left = 0; int i; - write_lock(&free_i->segmap_lock); + spin_lock(&free_i->segmap_lock); if (!new_sec && ((*newseg + 1) % sbi->segs_per_sec)) { segno = find_next_zero_bit(free_i->free_segmap, @@ -876,7 +873,7 @@ got_it: f2fs_bug_on(sbi, test_bit(segno, free_i->free_segmap)); __set_inuse(sbi, segno); *newseg = segno; - write_unlock(&free_i->segmap_lock); + spin_unlock(&free_i->segmap_lock); } static void reset_curseg(struct f2fs_sb_info *sbi, int type, int modified) @@ -927,7 +924,7 @@ static void __next_free_blkoff(struct f2fs_sb_info *sbi, { struct seg_entry *se = get_seg_entry(sbi, seg->segno); int entries = SIT_VBLOCK_MAP_SIZE / sizeof(unsigned long); - unsigned long target_map[entries]; + unsigned long *target_map = SIT_I(sbi)->tmp_map; unsigned long *ckpt_map = (unsigned long *)se->ckpt_valid_map; unsigned long *cur_map = (unsigned long *)se->cur_valid_map; int i, pos; @@ -1027,18 +1024,22 @@ static void allocate_segment_by_default(struct f2fs_sb_info *sbi, stat_inc_seg_type(sbi, curseg); } +static void __allocate_new_segments(struct f2fs_sb_info *sbi, int type) +{ + struct curseg_info *curseg = CURSEG_I(sbi, type); + unsigned int old_segno; + + old_segno = curseg->segno; + SIT_I(sbi)->s_ops->allocate_segment(sbi, type, true); + locate_dirty_segment(sbi, old_segno); +} + void allocate_new_segments(struct f2fs_sb_info *sbi) { - struct curseg_info *curseg; - unsigned int old_curseg; int i; - for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++) { - curseg = CURSEG_I(sbi, i); - old_curseg = curseg->segno; - SIT_I(sbi)->s_ops->allocate_segment(sbi, i, true); - locate_dirty_segment(sbi, old_curseg); - } + for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++) + __allocate_new_segments(sbi, i); } static const struct segment_allocation default_salloc_ops = { @@ -1047,8 +1048,8 @@ static const struct segment_allocation default_salloc_ops = { int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range) { - __u64 start = range->start >> sbi->log_blocksize; - __u64 end = start + (range->len >> sbi->log_blocksize) - 1; + __u64 start = F2FS_BYTES_TO_BLK(range->start); + __u64 end = start + F2FS_BYTES_TO_BLK(range->len) - 1; unsigned int start_segno, end_segno; struct cp_control cpc; @@ -1065,16 +1066,21 @@ int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range) end_segno = (end >= MAX_BLKADDR(sbi)) ? MAIN_SEGS(sbi) - 1 : GET_SEGNO(sbi, end); cpc.reason = CP_DISCARD; - cpc.trim_start = start_segno; - cpc.trim_end = end_segno; - cpc.trim_minlen = range->minlen >> sbi->log_blocksize; + cpc.trim_minlen = F2FS_BYTES_TO_BLK(range->minlen); /* do checkpoint to issue discard commands safely */ - mutex_lock(&sbi->gc_mutex); - write_checkpoint(sbi, &cpc); - mutex_unlock(&sbi->gc_mutex); + for (; start_segno <= end_segno; start_segno = cpc.trim_end + 1) { + cpc.trim_start = start_segno; + cpc.trim_end = min_t(unsigned int, rounddown(start_segno + + BATCHED_TRIM_SEGMENTS(sbi), + sbi->segs_per_sec) - 1, end_segno); + + mutex_lock(&sbi->gc_mutex); + write_checkpoint(sbi, &cpc); + mutex_unlock(&sbi->gc_mutex); + } out: - range->len = cpc.trimmed << sbi->log_blocksize; + range->len = F2FS_BLK_TO_BYTES(cpc.trimmed); return 0; } @@ -1151,11 +1157,18 @@ void allocate_data_block(struct f2fs_sb_info *sbi, struct page *page, { struct sit_info *sit_i = SIT_I(sbi); struct curseg_info *curseg; + bool direct_io = (type == CURSEG_DIRECT_IO); + + type = direct_io ? CURSEG_WARM_DATA : type; curseg = CURSEG_I(sbi, type); mutex_lock(&curseg->curseg_mutex); + /* direct_io'ed data is aligned to the segment for better performance */ + if (direct_io && curseg->next_blkoff) + __allocate_new_segments(sbi, type); + *new_blkaddr = NEXT_FREE_BLKADDR(sbi, curseg); /* @@ -1187,39 +1200,39 @@ void allocate_data_block(struct f2fs_sb_info *sbi, struct page *page, } static void do_write_page(struct f2fs_sb_info *sbi, struct page *page, - block_t old_blkaddr, block_t *new_blkaddr, - struct f2fs_summary *sum, struct f2fs_io_info *fio) + struct f2fs_summary *sum, + struct f2fs_io_info *fio) { int type = __get_segment_type(page, fio->type); - allocate_data_block(sbi, page, old_blkaddr, new_blkaddr, sum, type); + allocate_data_block(sbi, page, fio->blk_addr, &fio->blk_addr, sum, type); /* writeout dirty page into bdev */ - f2fs_submit_page_mbio(sbi, page, *new_blkaddr, fio); + f2fs_submit_page_mbio(sbi, page, fio); } void write_meta_page(struct f2fs_sb_info *sbi, struct page *page) { struct f2fs_io_info fio = { .type = META, - .rw = WRITE_SYNC | REQ_META | REQ_PRIO + .rw = WRITE_SYNC | REQ_META | REQ_PRIO, + .blk_addr = page->index, }; set_page_writeback(page); - f2fs_submit_page_mbio(sbi, page, page->index, &fio); + f2fs_submit_page_mbio(sbi, page, &fio); } void write_node_page(struct f2fs_sb_info *sbi, struct page *page, - struct f2fs_io_info *fio, - unsigned int nid, block_t old_blkaddr, block_t *new_blkaddr) + unsigned int nid, struct f2fs_io_info *fio) { struct f2fs_summary sum; set_summary(&sum, nid, 0, 0); - do_write_page(sbi, page, old_blkaddr, new_blkaddr, &sum, fio); + do_write_page(sbi, page, &sum, fio); } void write_data_page(struct page *page, struct dnode_of_data *dn, - block_t *new_blkaddr, struct f2fs_io_info *fio) + struct f2fs_io_info *fio) { struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode); struct f2fs_summary sum; @@ -1228,14 +1241,14 @@ void write_data_page(struct page *page, struct dnode_of_data *dn, f2fs_bug_on(sbi, dn->data_blkaddr == NULL_ADDR); get_node_info(sbi, dn->nid, &ni); set_summary(&sum, dn->nid, dn->ofs_in_node, ni.version); - - do_write_page(sbi, page, dn->data_blkaddr, new_blkaddr, &sum, fio); + do_write_page(sbi, page, &sum, fio); + dn->data_blkaddr = fio->blk_addr; } -void rewrite_data_page(struct page *page, block_t old_blkaddr, - struct f2fs_io_info *fio) +void rewrite_data_page(struct page *page, struct f2fs_io_info *fio) { - f2fs_submit_page_mbio(F2FS_P_SB(page), page, old_blkaddr, fio); + stat_inc_inplace_blocks(F2FS_P_SB(page)); + f2fs_submit_page_mbio(F2FS_P_SB(page), page, fio); } void recover_data_page(struct f2fs_sb_info *sbi, @@ -1393,7 +1406,7 @@ static int read_normal_summaries(struct f2fs_sb_info *sbi, int type) segno = le32_to_cpu(ckpt->cur_data_segno[type]); blk_off = le16_to_cpu(ckpt->cur_data_blkoff[type - CURSEG_HOT_DATA]); - if (is_set_ckpt_flags(ckpt, CP_UMOUNT_FLAG)) + if (__exist_node_summaries(sbi)) blk_addr = sum_blk_addr(sbi, NR_CURSEG_TYPE, type); else blk_addr = sum_blk_addr(sbi, NR_CURSEG_DATA_TYPE, type); @@ -1402,7 +1415,7 @@ static int read_normal_summaries(struct f2fs_sb_info *sbi, int type) CURSEG_HOT_NODE]); blk_off = le16_to_cpu(ckpt->cur_node_blkoff[type - CURSEG_HOT_NODE]); - if (is_set_ckpt_flags(ckpt, CP_UMOUNT_FLAG)) + if (__exist_node_summaries(sbi)) blk_addr = sum_blk_addr(sbi, NR_CURSEG_NODE_TYPE, type - CURSEG_HOT_NODE); else @@ -1413,7 +1426,7 @@ static int read_normal_summaries(struct f2fs_sb_info *sbi, int type) sum = (struct f2fs_summary_block *)page_address(new); if (IS_NODESEG(type)) { - if (is_set_ckpt_flags(ckpt, CP_UMOUNT_FLAG)) { + if (__exist_node_summaries(sbi)) { struct f2fs_summary *ns = &sum->entries[0]; int i; for (i = 0; i < sbi->blocks_per_seg; i++, ns++) { @@ -1450,12 +1463,22 @@ static int restore_curseg_summaries(struct f2fs_sb_info *sbi) int err; if (is_set_ckpt_flags(F2FS_CKPT(sbi), CP_COMPACT_SUM_FLAG)) { + int npages = npages_for_summary_flush(sbi, true); + + if (npages >= 2) + ra_meta_pages(sbi, start_sum_block(sbi), npages, + META_CP); + /* restore for compacted data summary */ if (read_compacted_summaries(sbi)) return -EINVAL; type = CURSEG_HOT_NODE; } + if (__exist_node_summaries(sbi)) + ra_meta_pages(sbi, sum_blk_addr(sbi, NR_CURSEG_TYPE, type), + NR_CURSEG_TYPE - type, META_CP); + for (; type <= CURSEG_COLD_NODE; type++) { err = read_normal_summaries(sbi, type); if (err) @@ -1549,8 +1572,7 @@ void write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk) void write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk) { - if (is_set_ckpt_flags(F2FS_CKPT(sbi), CP_UMOUNT_FLAG)) - write_normal_summaries(sbi, start_blk, CURSEG_HOT_NODE); + write_normal_summaries(sbi, start_blk, CURSEG_HOT_NODE); } int lookup_journal_in_cursum(struct f2fs_summary_block *sum, int type, @@ -1754,7 +1776,7 @@ void flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc) se = get_seg_entry(sbi, segno); /* add discard candidates */ - if (SM_I(sbi)->nr_discards < SM_I(sbi)->max_discards) { + if (cpc->reason != CP_DISCARD) { cpc->trim_start = segno; add_discard_addrs(sbi, cpc); } @@ -1833,6 +1855,10 @@ static int build_sit_info(struct f2fs_sb_info *sbi) return -ENOMEM; } + sit_i->tmp_map = kzalloc(SIT_VBLOCK_MAP_SIZE, GFP_KERNEL); + if (!sit_i->tmp_map) + return -ENOMEM; + if (sbi->segs_per_sec > 1) { sit_i->sec_entries = vzalloc(MAIN_SECS(sbi) * sizeof(struct sec_entry)); @@ -1897,7 +1923,7 @@ static int build_free_segmap(struct f2fs_sb_info *sbi) free_i->start_segno = GET_SEGNO_FROM_SEG0(sbi, MAIN_BLKADDR(sbi)); free_i->free_segments = 0; free_i->free_sections = 0; - rwlock_init(&free_i->segmap_lock); + spin_lock_init(&free_i->segmap_lock); return 0; } @@ -2110,6 +2136,8 @@ int build_segment_manager(struct f2fs_sb_info *sbi) sm_info->nr_discards = 0; sm_info->max_discards = 0; + sm_info->trim_sections = DEF_BATCHED_TRIM_SECTIONS; + INIT_LIST_HEAD(&sm_info->sit_entry_set); if (test_opt(sbi, FLUSH_MERGE) && !f2fs_readonly(sbi->sb)) { @@ -2212,6 +2240,8 @@ static void destroy_sit_info(struct f2fs_sb_info *sbi) kfree(sit_i->sentries[start].ckpt_valid_map); } } + kfree(sit_i->tmp_map); + vfree(sit_i->sentries); vfree(sit_i->sec_entries); kfree(sit_i->dirty_sentries_bitmap); diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index 7f327c0ba4e3..7fd35111cf62 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -189,6 +189,7 @@ struct sit_info { char *sit_bitmap; /* SIT bitmap pointer */ unsigned int bitmap_size; /* SIT bitmap size */ + unsigned long *tmp_map; /* bitmap for temporal use */ unsigned long *dirty_sentries_bitmap; /* bitmap for dirty sentries */ unsigned int dirty_sentries; /* # of dirty sentries */ unsigned int sents_per_block; /* # of SIT entries per block */ @@ -207,7 +208,7 @@ struct free_segmap_info { unsigned int start_segno; /* start segment number logically */ unsigned int free_segments; /* # of free segments */ unsigned int free_sections; /* # of free sections */ - rwlock_t segmap_lock; /* free segmap lock */ + spinlock_t segmap_lock; /* free segmap lock */ unsigned long *free_segmap; /* free segment bitmap */ unsigned long *free_secmap; /* free section bitmap */ }; @@ -318,9 +319,9 @@ static inline unsigned int find_next_inuse(struct free_segmap_info *free_i, unsigned int max, unsigned int segno) { unsigned int ret; - read_lock(&free_i->segmap_lock); + spin_lock(&free_i->segmap_lock); ret = find_next_bit(free_i->free_segmap, max, segno); - read_unlock(&free_i->segmap_lock); + spin_unlock(&free_i->segmap_lock); return ret; } @@ -331,7 +332,7 @@ static inline void __set_free(struct f2fs_sb_info *sbi, unsigned int segno) unsigned int start_segno = secno * sbi->segs_per_sec; unsigned int next; - write_lock(&free_i->segmap_lock); + spin_lock(&free_i->segmap_lock); clear_bit(segno, free_i->free_segmap); free_i->free_segments++; @@ -340,7 +341,7 @@ static inline void __set_free(struct f2fs_sb_info *sbi, unsigned int segno) clear_bit(secno, free_i->free_secmap); free_i->free_sections++; } - write_unlock(&free_i->segmap_lock); + spin_unlock(&free_i->segmap_lock); } static inline void __set_inuse(struct f2fs_sb_info *sbi, @@ -362,7 +363,7 @@ static inline void __set_test_and_free(struct f2fs_sb_info *sbi, unsigned int start_segno = secno * sbi->segs_per_sec; unsigned int next; - write_lock(&free_i->segmap_lock); + spin_lock(&free_i->segmap_lock); if (test_and_clear_bit(segno, free_i->free_segmap)) { free_i->free_segments++; @@ -373,7 +374,7 @@ static inline void __set_test_and_free(struct f2fs_sb_info *sbi, free_i->free_sections++; } } - write_unlock(&free_i->segmap_lock); + spin_unlock(&free_i->segmap_lock); } static inline void __set_test_and_inuse(struct f2fs_sb_info *sbi, @@ -381,13 +382,13 @@ static inline void __set_test_and_inuse(struct f2fs_sb_info *sbi, { struct free_segmap_info *free_i = FREE_I(sbi); unsigned int secno = segno / sbi->segs_per_sec; - write_lock(&free_i->segmap_lock); + spin_lock(&free_i->segmap_lock); if (!test_and_set_bit(segno, free_i->free_segmap)) { free_i->free_segments--; if (!test_and_set_bit(secno, free_i->free_secmap)) free_i->free_sections--; } - write_unlock(&free_i->segmap_lock); + spin_unlock(&free_i->segmap_lock); } static inline void get_sit_bitmap(struct f2fs_sb_info *sbi, @@ -460,7 +461,7 @@ static inline bool has_not_enough_free_secs(struct f2fs_sb_info *sbi, int freed) int node_secs = get_blocktype_secs(sbi, F2FS_DIRTY_NODES); int dent_secs = get_blocktype_secs(sbi, F2FS_DIRTY_DENTS); - if (unlikely(sbi->por_doing)) + if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING))) return false; return (free_sections(sbi) + freed) <= (node_secs + 2 * dent_secs + @@ -599,13 +600,13 @@ static inline void check_block_count(struct f2fs_sb_info *sbi, static inline void check_seg_range(struct f2fs_sb_info *sbi, unsigned int segno) { if (segno > TOTAL_SEGS(sbi) - 1) - sbi->need_fsck = true; + set_sbi_flag(sbi, SBI_NEED_FSCK); } static inline void verify_block_addr(struct f2fs_sb_info *sbi, block_t blk_addr) { if (blk_addr < SEG0_BLKADDR(sbi) || blk_addr >= MAX_BLKADDR(sbi)) - sbi->need_fsck = true; + set_sbi_flag(sbi, SBI_NEED_FSCK); } /* @@ -616,11 +617,11 @@ static inline void check_block_count(struct f2fs_sb_info *sbi, { /* check segment usage */ if (GET_SIT_VBLOCKS(raw_sit) > sbi->blocks_per_seg) - sbi->need_fsck = true; + set_sbi_flag(sbi, SBI_NEED_FSCK); /* check boundary of a given segment number */ if (segno > TOTAL_SEGS(sbi) - 1) - sbi->need_fsck = true; + set_sbi_flag(sbi, SBI_NEED_FSCK); } #endif diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index f71421d70475..f2fe666a6ea9 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -30,6 +30,7 @@ #include "segment.h" #include "xattr.h" #include "gc.h" +#include "trace.h" #define CREATE_TRACE_POINTS #include <trace/events/f2fs.h> @@ -41,6 +42,7 @@ static struct kset *f2fs_kset; enum { Opt_gc_background, Opt_disable_roll_forward, + Opt_norecovery, Opt_discard, Opt_noheap, Opt_user_xattr, @@ -61,6 +63,7 @@ enum { static match_table_t f2fs_tokens = { {Opt_gc_background, "background_gc=%s"}, {Opt_disable_roll_forward, "disable_roll_forward"}, + {Opt_norecovery, "norecovery"}, {Opt_discard, "discard"}, {Opt_noheap, "no_heap"}, {Opt_user_xattr, "user_xattr"}, @@ -192,6 +195,7 @@ F2FS_RW_ATTR(GC_THREAD, f2fs_gc_kthread, gc_no_gc_sleep_time, no_gc_sleep_time); F2FS_RW_ATTR(GC_THREAD, f2fs_gc_kthread, gc_idle, gc_idle); F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, reclaim_segments, rec_prefree_segments); F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, max_small_discards, max_discards); +F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, batched_trim_sections, trim_sections); F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, ipu_policy, ipu_policy); F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_ipu_util, min_ipu_util); F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_fsync_blocks, min_fsync_blocks); @@ -207,6 +211,7 @@ static struct attribute *f2fs_attrs[] = { ATTR_LIST(gc_idle), ATTR_LIST(reclaim_segments), ATTR_LIST(max_small_discards), + ATTR_LIST(batched_trim_sections), ATTR_LIST(ipu_policy), ATTR_LIST(min_ipu_util), ATTR_LIST(min_fsync_blocks), @@ -286,6 +291,12 @@ static int parse_options(struct super_block *sb, char *options) case Opt_disable_roll_forward: set_opt(sbi, DISABLE_ROLL_FORWARD); break; + case Opt_norecovery: + /* this option mounts f2fs with ro */ + set_opt(sbi, DISABLE_ROLL_FORWARD); + if (!f2fs_readonly(sb)) + return -EINVAL; + break; case Opt_discard: set_opt(sbi, DISCARD); break; @@ -446,8 +457,13 @@ static void f2fs_put_super(struct super_block *sb) f2fs_destroy_stats(sbi); stop_gc_thread(sbi); - /* We don't need to do checkpoint when it's clean */ - if (sbi->s_dirty) { + /* + * We don't need to do checkpoint when superblock is clean. + * But, the previous checkpoint was not done by umount, it needs to do + * clean checkpoint again. + */ + if (is_sbi_flag_set(sbi, SBI_IS_DIRTY) || + !is_set_ckpt_flags(F2FS_CKPT(sbi), CP_UMOUNT_FLAG)) { struct cp_control cpc = { .reason = CP_UMOUNT, }; @@ -486,13 +502,15 @@ int f2fs_sync_fs(struct super_block *sb, int sync) if (sync) { struct cp_control cpc; - cpc.reason = test_opt(sbi, FASTBOOT) ? CP_UMOUNT : CP_SYNC; + cpc.reason = __get_cp_reason(sbi); + mutex_lock(&sbi->gc_mutex); write_checkpoint(sbi, &cpc); mutex_unlock(&sbi->gc_mutex); } else { f2fs_balance_fs(sbi); } + f2fs_trace_ios(NULL, NULL, 1); return 0; } @@ -887,7 +905,7 @@ static void init_sb_info(struct f2fs_sb_info *sbi) atomic_set(&sbi->nr_pages[i], 0); sbi->dir_level = DEF_DIR_LEVEL; - sbi->need_fsck = false; + clear_sbi_flag(sbi, SBI_NEED_FSCK); } /* @@ -942,6 +960,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent) struct inode *root; long err = -EINVAL; bool retry = true; + char *options = NULL; int i; try_onemore: @@ -973,9 +992,15 @@ try_onemore: set_opt(sbi, POSIX_ACL); #endif /* parse mount options */ - err = parse_options(sb, (char *)data); - if (err) + options = kstrdup((const char *)data, GFP_KERNEL); + if (data && !options) { + err = -ENOMEM; goto free_sb_buf; + } + + err = parse_options(sb, options); + if (err) + goto free_options; sb->s_maxbytes = max_file_size(le32_to_cpu(raw_super->log_blocksize)); sb->s_max_links = F2FS_LINK_MAX; @@ -998,7 +1023,7 @@ try_onemore: mutex_init(&sbi->writepages); mutex_init(&sbi->cp_mutex); init_rwsem(&sbi->node_write); - sbi->por_doing = false; + clear_sbi_flag(sbi, SBI_POR_DOING); spin_lock_init(&sbi->stat_lock); init_rwsem(&sbi->read_io.io_rwsem); @@ -1019,7 +1044,7 @@ try_onemore: if (IS_ERR(sbi->meta_inode)) { f2fs_msg(sb, KERN_ERR, "Failed to read F2FS meta data inode"); err = PTR_ERR(sbi->meta_inode); - goto free_sb_buf; + goto free_options; } err = get_valid_checkpoint(sbi); @@ -1122,10 +1147,19 @@ try_onemore: goto free_proc; if (!retry) - sbi->need_fsck = true; + set_sbi_flag(sbi, SBI_NEED_FSCK); /* recover fsynced data */ if (!test_opt(sbi, DISABLE_ROLL_FORWARD)) { + /* + * mount should be failed, when device has readonly mode, and + * previous checkpoint was not done by clean system shutdown. + */ + if (bdev_read_only(sb->s_bdev) && + !is_set_ckpt_flags(sbi->ckpt, CP_UMOUNT_FLAG)) { + err = -EROFS; + goto free_kobj; + } err = recover_fsync_data(sbi); if (err) { f2fs_msg(sb, KERN_ERR, @@ -1144,6 +1178,7 @@ try_onemore: if (err) goto free_kobj; } + kfree(options); return 0; free_kobj: @@ -1168,6 +1203,8 @@ free_cp: free_meta_inode: make_bad_inode(sbi->meta_inode); iput(sbi->meta_inode); +free_options: + kfree(options); free_sb_buf: brelse(raw_super_buf); free_sbi: @@ -1188,11 +1225,18 @@ static struct dentry *f2fs_mount(struct file_system_type *fs_type, int flags, return mount_bdev(fs_type, flags, dev_name, data, f2fs_fill_super); } +static void kill_f2fs_super(struct super_block *sb) +{ + if (sb->s_root) + set_sbi_flag(F2FS_SB(sb), SBI_IS_CLOSE); + kill_block_super(sb); +} + static struct file_system_type f2fs_fs_type = { .owner = THIS_MODULE, .name = "f2fs", .mount = f2fs_mount, - .kill_sb = kill_block_super, + .kill_sb = kill_f2fs_super, .fs_flags = FS_REQUIRES_DEV, }; MODULE_ALIAS_FS("f2fs"); @@ -1220,6 +1264,8 @@ static int __init init_f2fs_fs(void) { int err; + f2fs_build_trace_ios(); + err = init_inodecache(); if (err) goto fail; @@ -1229,12 +1275,9 @@ static int __init init_f2fs_fs(void) err = create_segment_manager_caches(); if (err) goto free_node_manager_caches; - err = create_gc_caches(); - if (err) - goto free_segment_manager_caches; err = create_checkpoint_caches(); if (err) - goto free_gc_caches; + goto free_segment_manager_caches; f2fs_kset = kset_create_and_add("f2fs", NULL, fs_kobj); if (!f2fs_kset) { err = -ENOMEM; @@ -1251,8 +1294,6 @@ free_kset: kset_unregister(f2fs_kset); free_checkpoint_caches: destroy_checkpoint_caches(); -free_gc_caches: - destroy_gc_caches(); free_segment_manager_caches: destroy_segment_manager_caches(); free_node_manager_caches: @@ -1269,11 +1310,11 @@ static void __exit exit_f2fs_fs(void) f2fs_destroy_root_stats(); unregister_filesystem(&f2fs_fs_type); destroy_checkpoint_caches(); - destroy_gc_caches(); destroy_segment_manager_caches(); destroy_node_manager_caches(); destroy_inodecache(); kset_unregister(f2fs_kset); + f2fs_destroy_trace_ios(); } module_init(init_f2fs_fs) diff --git a/fs/f2fs/trace.c b/fs/f2fs/trace.c new file mode 100644 index 000000000000..875aa8179bc1 --- /dev/null +++ b/fs/f2fs/trace.c @@ -0,0 +1,159 @@ +/* + * f2fs IO tracer + * + * Copyright (c) 2014 Motorola Mobility + * Copyright (c) 2014 Jaegeuk Kim <jaegeuk@kernel.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/fs.h> +#include <linux/f2fs_fs.h> +#include <linux/sched.h> +#include <linux/radix-tree.h> + +#include "f2fs.h" +#include "trace.h" + +static RADIX_TREE(pids, GFP_ATOMIC); +static spinlock_t pids_lock; +static struct last_io_info last_io; + +static inline void __print_last_io(void) +{ + if (!last_io.len) + return; + + trace_printk("%3x:%3x %4x %-16s %2x %5x %12x %4x\n", + last_io.major, last_io.minor, + last_io.pid, "----------------", + last_io.type, + last_io.fio.rw, last_io.fio.blk_addr, + last_io.len); + memset(&last_io, 0, sizeof(last_io)); +} + +static int __file_type(struct inode *inode, pid_t pid) +{ + if (f2fs_is_atomic_file(inode)) + return __ATOMIC_FILE; + else if (f2fs_is_volatile_file(inode)) + return __VOLATILE_FILE; + else if (S_ISDIR(inode->i_mode)) + return __DIR_FILE; + else if (inode->i_ino == F2FS_NODE_INO(F2FS_I_SB(inode))) + return __NODE_FILE; + else if (inode->i_ino == F2FS_META_INO(F2FS_I_SB(inode))) + return __META_FILE; + else if (pid) + return __NORMAL_FILE; + else + return __MISC_FILE; +} + +void f2fs_trace_pid(struct page *page) +{ + struct inode *inode = page->mapping->host; + pid_t pid = task_pid_nr(current); + void *p; + + page->private = pid; + + if (radix_tree_preload(GFP_NOFS)) + return; + + spin_lock(&pids_lock); + p = radix_tree_lookup(&pids, pid); + if (p == current) + goto out; + if (p) + radix_tree_delete(&pids, pid); + + f2fs_radix_tree_insert(&pids, pid, current); + + trace_printk("%3x:%3x %4x %-16s\n", + MAJOR(inode->i_sb->s_dev), MINOR(inode->i_sb->s_dev), + pid, current->comm); +out: + spin_unlock(&pids_lock); + radix_tree_preload_end(); +} + +void f2fs_trace_ios(struct page *page, struct f2fs_io_info *fio, int flush) +{ + struct inode *inode; + pid_t pid; + int major, minor; + + if (flush) { + __print_last_io(); + return; + } + + inode = page->mapping->host; + pid = page_private(page); + + major = MAJOR(inode->i_sb->s_dev); + minor = MINOR(inode->i_sb->s_dev); + + if (last_io.major == major && last_io.minor == minor && + last_io.pid == pid && + last_io.type == __file_type(inode, pid) && + last_io.fio.rw == fio->rw && + last_io.fio.blk_addr + last_io.len == fio->blk_addr) { + last_io.len++; + return; + } + + __print_last_io(); + + last_io.major = major; + last_io.minor = minor; + last_io.pid = pid; + last_io.type = __file_type(inode, pid); + last_io.fio = *fio; + last_io.len = 1; + return; +} + +void f2fs_build_trace_ios(void) +{ + spin_lock_init(&pids_lock); +} + +#define PIDVEC_SIZE 128 +static unsigned int gang_lookup_pids(pid_t *results, unsigned long first_index, + unsigned int max_items) +{ + struct radix_tree_iter iter; + void **slot; + unsigned int ret = 0; + + if (unlikely(!max_items)) + return 0; + + radix_tree_for_each_slot(slot, &pids, &iter, first_index) { + results[ret] = iter.index; + if (++ret == PIDVEC_SIZE) + break; + } + return ret; +} + +void f2fs_destroy_trace_ios(void) +{ + pid_t pid[PIDVEC_SIZE]; + pid_t next_pid = 0; + unsigned int found; + + spin_lock(&pids_lock); + while ((found = gang_lookup_pids(pid, next_pid, PIDVEC_SIZE))) { + unsigned idx; + + next_pid = pid[found - 1] + 1; + for (idx = 0; idx < found; idx++) + radix_tree_delete(&pids, pid[idx]); + } + spin_unlock(&pids_lock); +} diff --git a/fs/f2fs/trace.h b/fs/f2fs/trace.h new file mode 100644 index 000000000000..1041dbeb52ae --- /dev/null +++ b/fs/f2fs/trace.h @@ -0,0 +1,46 @@ +/* + * f2fs IO tracer + * + * Copyright (c) 2014 Motorola Mobility + * Copyright (c) 2014 Jaegeuk Kim <jaegeuk@kernel.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __F2FS_TRACE_H__ +#define __F2FS_TRACE_H__ + +#ifdef CONFIG_F2FS_IO_TRACE +#include <trace/events/f2fs.h> + +enum file_type { + __NORMAL_FILE, + __DIR_FILE, + __NODE_FILE, + __META_FILE, + __ATOMIC_FILE, + __VOLATILE_FILE, + __MISC_FILE, +}; + +struct last_io_info { + int major, minor; + pid_t pid; + enum file_type type; + struct f2fs_io_info fio; + block_t len; +}; + +extern void f2fs_trace_pid(struct page *); +extern void f2fs_trace_ios(struct page *, struct f2fs_io_info *, int); +extern void f2fs_build_trace_ios(void); +extern void f2fs_destroy_trace_ios(void); +#else +#define f2fs_trace_pid(p) +#define f2fs_trace_ios(p, i, n) +#define f2fs_build_trace_ios() +#define f2fs_destroy_trace_ios() + +#endif +#endif /* __F2FS_TRACE_H__ */ |