diff options
Diffstat (limited to 'fs/ext4')
-rw-r--r-- | fs/ext4/ext4.h | 26 | ||||
-rw-r--r-- | fs/ext4/ext4_jbd2.c | 43 | ||||
-rw-r--r-- | fs/ext4/ext4_jbd2.h | 18 | ||||
-rw-r--r-- | fs/ext4/extents.c | 12 | ||||
-rw-r--r-- | fs/ext4/file.c | 3 | ||||
-rw-r--r-- | fs/ext4/ialloc.c | 19 | ||||
-rw-r--r-- | fs/ext4/indirect.c | 15 | ||||
-rw-r--r-- | fs/ext4/inline.c | 26 | ||||
-rw-r--r-- | fs/ext4/inode.c | 84 | ||||
-rw-r--r-- | fs/ext4/ioctl.c | 4 | ||||
-rw-r--r-- | fs/ext4/mballoc.c | 15 | ||||
-rw-r--r-- | fs/ext4/namei.c | 40 | ||||
-rw-r--r-- | fs/ext4/resize.c | 38 | ||||
-rw-r--r-- | fs/ext4/super.c | 16 | ||||
-rw-r--r-- | fs/ext4/xattr.c | 26 |
15 files changed, 258 insertions, 127 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index d71dcac3b97f..27b101fc7c86 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -1447,6 +1447,24 @@ struct ext4_super_block { #define EXT4_ENC_UTF8_12_1 1 +/* Types of ext4 journal triggers */ +enum ext4_journal_trigger_type { + EXT4_JTR_NONE /* This must be the last entry for indexing to work! */ +}; + +#define EXT4_JOURNAL_TRIGGER_COUNT EXT4_JTR_NONE + +struct ext4_journal_trigger { + struct jbd2_buffer_trigger_type tr_triggers; + struct super_block *sb; +}; + +static inline struct ext4_journal_trigger *EXT4_TRIGGER( + struct jbd2_buffer_trigger_type *trigger) +{ + return container_of(trigger, struct ext4_journal_trigger, tr_triggers); +} + /* * fourth extended-fs super-block data in memory */ @@ -1628,6 +1646,9 @@ struct ext4_sb_info { struct mb_cache *s_ea_inode_cache; spinlock_t s_es_lock ____cacheline_aligned_in_smp; + /* Journal triggers for checksum computation */ + struct ext4_journal_trigger s_journal_triggers[EXT4_JOURNAL_TRIGGER_COUNT]; + /* Ratelimit ext4 messages. */ struct ratelimit_state s_err_ratelimit_state; struct ratelimit_state s_warning_ratelimit_state; @@ -2923,13 +2944,14 @@ int ext4_get_block(struct inode *inode, sector_t iblock, int ext4_da_get_block_prep(struct inode *inode, sector_t iblock, struct buffer_head *bh, int create); int ext4_walk_page_buffers(handle_t *handle, + struct inode *inode, struct buffer_head *head, unsigned from, unsigned to, int *partial, - int (*fn)(handle_t *handle, + int (*fn)(handle_t *handle, struct inode *inode, struct buffer_head *bh)); -int do_journal_get_write_access(handle_t *handle, +int do_journal_get_write_access(handle_t *handle, struct inode *inode, struct buffer_head *bh); #define FALL_BACK_TO_NONDELALLOC 1 #define CONVERT_INLINE_DATA 2 diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c index b60f0152ea57..6def7339056d 100644 --- a/fs/ext4/ext4_jbd2.c +++ b/fs/ext4/ext4_jbd2.c @@ -218,9 +218,11 @@ static void ext4_check_bdev_write_error(struct super_block *sb) } int __ext4_journal_get_write_access(const char *where, unsigned int line, - handle_t *handle, struct buffer_head *bh) + handle_t *handle, struct super_block *sb, + struct buffer_head *bh, + enum ext4_journal_trigger_type trigger_type) { - int err = 0; + int err; might_sleep(); @@ -229,11 +231,18 @@ int __ext4_journal_get_write_access(const char *where, unsigned int line, if (ext4_handle_valid(handle)) { err = jbd2_journal_get_write_access(handle, bh); - if (err) + if (err) { ext4_journal_abort_handle(where, line, __func__, bh, handle, err); + return err; + } } - return err; + if (trigger_type == EXT4_JTR_NONE || !ext4_has_metadata_csum(sb)) + return 0; + BUG_ON(trigger_type >= EXT4_JOURNAL_TRIGGER_COUNT); + jbd2_journal_set_triggers(bh, + &EXT4_SB(sb)->s_journal_triggers[trigger_type].tr_triggers); + return 0; } /* @@ -301,17 +310,27 @@ int __ext4_forget(const char *where, unsigned int line, handle_t *handle, } int __ext4_journal_get_create_access(const char *where, unsigned int line, - handle_t *handle, struct buffer_head *bh) + handle_t *handle, struct super_block *sb, + struct buffer_head *bh, + enum ext4_journal_trigger_type trigger_type) { - int err = 0; + int err; - if (ext4_handle_valid(handle)) { - err = jbd2_journal_get_create_access(handle, bh); - if (err) - ext4_journal_abort_handle(where, line, __func__, - bh, handle, err); + if (!ext4_handle_valid(handle)) + return 0; + + err = jbd2_journal_get_create_access(handle, bh); + if (err) { + ext4_journal_abort_handle(where, line, __func__, bh, handle, + err); + return err; } - return err; + if (trigger_type == EXT4_JTR_NONE || !ext4_has_metadata_csum(sb)) + return 0; + BUG_ON(trigger_type >= EXT4_JOURNAL_TRIGGER_COUNT); + jbd2_journal_set_triggers(bh, + &EXT4_SB(sb)->s_journal_triggers[trigger_type].tr_triggers); + return 0; } int __ext4_handle_dirty_metadata(const char *where, unsigned int line, diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h index 0d2fa423b7ad..0e4fa644df01 100644 --- a/fs/ext4/ext4_jbd2.h +++ b/fs/ext4/ext4_jbd2.h @@ -231,26 +231,32 @@ int ext4_expand_extra_isize(struct inode *inode, * Wrapper functions with which ext4 calls into JBD. */ int __ext4_journal_get_write_access(const char *where, unsigned int line, - handle_t *handle, struct buffer_head *bh); + handle_t *handle, struct super_block *sb, + struct buffer_head *bh, + enum ext4_journal_trigger_type trigger_type); int __ext4_forget(const char *where, unsigned int line, handle_t *handle, int is_metadata, struct inode *inode, struct buffer_head *bh, ext4_fsblk_t blocknr); int __ext4_journal_get_create_access(const char *where, unsigned int line, - handle_t *handle, struct buffer_head *bh); + handle_t *handle, struct super_block *sb, + struct buffer_head *bh, + enum ext4_journal_trigger_type trigger_type); int __ext4_handle_dirty_metadata(const char *where, unsigned int line, handle_t *handle, struct inode *inode, struct buffer_head *bh); -#define ext4_journal_get_write_access(handle, bh) \ - __ext4_journal_get_write_access(__func__, __LINE__, (handle), (bh)) +#define ext4_journal_get_write_access(handle, sb, bh, trigger_type) \ + __ext4_journal_get_write_access(__func__, __LINE__, (handle), (sb), \ + (bh), (trigger_type)) #define ext4_forget(handle, is_metadata, inode, bh, block_nr) \ __ext4_forget(__func__, __LINE__, (handle), (is_metadata), (inode), \ (bh), (block_nr)) -#define ext4_journal_get_create_access(handle, bh) \ - __ext4_journal_get_create_access(__func__, __LINE__, (handle), (bh)) +#define ext4_journal_get_create_access(handle, sb, bh, trigger_type) \ + __ext4_journal_get_create_access(__func__, __LINE__, (handle), (sb), \ + (bh), (trigger_type)) #define ext4_handle_dirty_metadata(handle, inode, bh) \ __ext4_handle_dirty_metadata(__func__, __LINE__, (handle), (inode), \ (bh)) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 501516cadc1b..eb1dd4f024f2 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -139,7 +139,8 @@ static int ext4_ext_get_access(handle_t *handle, struct inode *inode, if (path->p_bh) { /* path points to block */ BUFFER_TRACE(path->p_bh, "get_write_access"); - return ext4_journal_get_write_access(handle, path->p_bh); + return ext4_journal_get_write_access(handle, inode->i_sb, + path->p_bh, EXT4_JTR_NONE); } /* path points to leaf/index in inode body */ /* we use in-core data, no need to protect them */ @@ -1082,7 +1083,8 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode, } lock_buffer(bh); - err = ext4_journal_get_create_access(handle, bh); + err = ext4_journal_get_create_access(handle, inode->i_sb, bh, + EXT4_JTR_NONE); if (err) goto cleanup; @@ -1160,7 +1162,8 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode, } lock_buffer(bh); - err = ext4_journal_get_create_access(handle, bh); + err = ext4_journal_get_create_access(handle, inode->i_sb, bh, + EXT4_JTR_NONE); if (err) goto cleanup; @@ -1286,7 +1289,8 @@ static int ext4_ext_grow_indepth(handle_t *handle, struct inode *inode, return -ENOMEM; lock_buffer(bh); - err = ext4_journal_get_create_access(handle, bh); + err = ext4_journal_get_create_access(handle, inode->i_sb, bh, + EXT4_JTR_NONE); if (err) { unlock_buffer(bh); goto out; diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 816dedcbd541..eda12bc50592 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -822,7 +822,8 @@ static int ext4_sample_last_mounted(struct super_block *sb, if (IS_ERR(handle)) goto out; BUFFER_TRACE(sbi->s_sbh, "get_write_access"); - err = ext4_journal_get_write_access(handle, sbi->s_sbh); + err = ext4_journal_get_write_access(handle, sb, sbi->s_sbh, + EXT4_JTR_NONE); if (err) goto out_journal; lock_buffer(sbi->s_sbh); diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index e89fc0f770b0..f73e5eb43eae 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -300,7 +300,8 @@ void ext4_free_inode(handle_t *handle, struct inode *inode) } BUFFER_TRACE(bitmap_bh, "get_write_access"); - fatal = ext4_journal_get_write_access(handle, bitmap_bh); + fatal = ext4_journal_get_write_access(handle, sb, bitmap_bh, + EXT4_JTR_NONE); if (fatal) goto error_return; @@ -308,7 +309,8 @@ void ext4_free_inode(handle_t *handle, struct inode *inode) gdp = ext4_get_group_desc(sb, block_group, &bh2); if (gdp) { BUFFER_TRACE(bh2, "get_write_access"); - fatal = ext4_journal_get_write_access(handle, bh2); + fatal = ext4_journal_get_write_access(handle, sb, bh2, + EXT4_JTR_NONE); } ext4_lock_group(sb, block_group); cleared = ext4_test_and_clear_bit(bit, bitmap_bh->b_data); @@ -1085,7 +1087,8 @@ repeat_in_this_group: } } BUFFER_TRACE(inode_bitmap_bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, inode_bitmap_bh); + err = ext4_journal_get_write_access(handle, sb, inode_bitmap_bh, + EXT4_JTR_NONE); if (err) { ext4_std_error(sb, err); goto out; @@ -1127,7 +1130,8 @@ got: } BUFFER_TRACE(group_desc_bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, group_desc_bh); + err = ext4_journal_get_write_access(handle, sb, group_desc_bh, + EXT4_JTR_NONE); if (err) { ext4_std_error(sb, err); goto out; @@ -1144,7 +1148,8 @@ got: goto out; } BUFFER_TRACE(block_bitmap_bh, "get block bitmap access"); - err = ext4_journal_get_write_access(handle, block_bitmap_bh); + err = ext4_journal_get_write_access(handle, sb, block_bitmap_bh, + EXT4_JTR_NONE); if (err) { brelse(block_bitmap_bh); ext4_std_error(sb, err); @@ -1583,8 +1588,8 @@ int ext4_init_inode_table(struct super_block *sb, ext4_group_t group, num = sbi->s_itb_per_group - used_blks; BUFFER_TRACE(group_desc_bh, "get_write_access"); - ret = ext4_journal_get_write_access(handle, - group_desc_bh); + ret = ext4_journal_get_write_access(handle, sb, group_desc_bh, + EXT4_JTR_NONE); if (ret) goto err_out; diff --git a/fs/ext4/indirect.c b/fs/ext4/indirect.c index a7bc6ad656a9..89efa78ed4b2 100644 --- a/fs/ext4/indirect.c +++ b/fs/ext4/indirect.c @@ -354,7 +354,8 @@ static int ext4_alloc_branch(handle_t *handle, } lock_buffer(bh); BUFFER_TRACE(bh, "call get_create_access"); - err = ext4_journal_get_create_access(handle, bh); + err = ext4_journal_get_create_access(handle, ar->inode->i_sb, + bh, EXT4_JTR_NONE); if (err) { unlock_buffer(bh); goto failed; @@ -429,7 +430,8 @@ static int ext4_splice_branch(handle_t *handle, */ if (where->bh) { BUFFER_TRACE(where->bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, where->bh); + err = ext4_journal_get_write_access(handle, ar->inode->i_sb, + where->bh, EXT4_JTR_NONE); if (err) goto err_out; } @@ -728,7 +730,8 @@ static int ext4_ind_truncate_ensure_credits(handle_t *handle, return ret; if (bh) { BUFFER_TRACE(bh, "retaking write access"); - ret = ext4_journal_get_write_access(handle, bh); + ret = ext4_journal_get_write_access(handle, inode->i_sb, bh, + EXT4_JTR_NONE); if (unlikely(ret)) return ret; } @@ -916,7 +919,8 @@ static void ext4_free_data(handle_t *handle, struct inode *inode, if (this_bh) { /* For indirect block */ BUFFER_TRACE(this_bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, this_bh); + err = ext4_journal_get_write_access(handle, inode->i_sb, + this_bh, EXT4_JTR_NONE); /* Important: if we can't update the indirect pointers * to the blocks, we can't free them. */ if (err) @@ -1079,7 +1083,8 @@ static void ext4_free_branches(handle_t *handle, struct inode *inode, */ BUFFER_TRACE(parent_bh, "get_write_access"); if (!ext4_journal_get_write_access(handle, - parent_bh)){ + inode->i_sb, parent_bh, + EXT4_JTR_NONE)) { *p = 0; BUFFER_TRACE(parent_bh, "call ext4_handle_dirty_metadata"); diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index 24e994e75f5c..82bf4ff6be28 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -264,7 +264,8 @@ static int ext4_create_inline_data(handle_t *handle, return error; BUFFER_TRACE(is.iloc.bh, "get_write_access"); - error = ext4_journal_get_write_access(handle, is.iloc.bh); + error = ext4_journal_get_write_access(handle, inode->i_sb, is.iloc.bh, + EXT4_JTR_NONE); if (error) goto out; @@ -350,7 +351,8 @@ static int ext4_update_inline_data(handle_t *handle, struct inode *inode, goto out; BUFFER_TRACE(is.iloc.bh, "get_write_access"); - error = ext4_journal_get_write_access(handle, is.iloc.bh); + error = ext4_journal_get_write_access(handle, inode->i_sb, is.iloc.bh, + EXT4_JTR_NONE); if (error) goto out; @@ -427,7 +429,8 @@ static int ext4_destroy_inline_data_nolock(handle_t *handle, goto out; BUFFER_TRACE(is.iloc.bh, "get_write_access"); - error = ext4_journal_get_write_access(handle, is.iloc.bh); + error = ext4_journal_get_write_access(handle, inode->i_sb, is.iloc.bh, + EXT4_JTR_NONE); if (error) goto out; @@ -593,7 +596,7 @@ retry: ret = __block_write_begin(page, from, to, ext4_get_block); if (!ret && ext4_should_journal_data(inode)) { - ret = ext4_walk_page_buffers(handle, page_buffers(page), + ret = ext4_walk_page_buffers(handle, inode, page_buffers(page), from, to, NULL, do_journal_get_write_access); } @@ -682,7 +685,8 @@ int ext4_try_to_write_inline_data(struct address_space *mapping, goto convert; } - ret = ext4_journal_get_write_access(handle, iloc.bh); + ret = ext4_journal_get_write_access(handle, inode->i_sb, iloc.bh, + EXT4_JTR_NONE); if (ret) goto out; @@ -929,7 +933,8 @@ retry_journal: if (ret < 0) goto out_release_page; } - ret = ext4_journal_get_write_access(handle, iloc.bh); + ret = ext4_journal_get_write_access(handle, inode->i_sb, iloc.bh, + EXT4_JTR_NONE); if (ret) goto out_release_page; @@ -1034,7 +1039,8 @@ static int ext4_add_dirent_to_inline(handle_t *handle, return err; BUFFER_TRACE(iloc->bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, iloc->bh); + err = ext4_journal_get_write_access(handle, dir->i_sb, iloc->bh, + EXT4_JTR_NONE); if (err) return err; ext4_insert_dentry(dir, inode, de, inline_size, fname); @@ -1229,7 +1235,8 @@ static int ext4_convert_inline_data_nolock(handle_t *handle, } lock_buffer(data_bh); - error = ext4_journal_get_create_access(handle, data_bh); + error = ext4_journal_get_create_access(handle, inode->i_sb, data_bh, + EXT4_JTR_NONE); if (error) { unlock_buffer(data_bh); error = -EIO; @@ -1713,7 +1720,8 @@ int ext4_delete_inline_entry(handle_t *handle, } BUFFER_TRACE(bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, bh); + err = ext4_journal_get_write_access(handle, dir->i_sb, bh, + EXT4_JTR_NONE); if (err) goto out; diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 2c33c795c4a7..d47a57f3d8de 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -139,7 +139,6 @@ static inline int ext4_begin_ordered_truncate(struct inode *inode, static void ext4_invalidatepage(struct page *page, unsigned int offset, unsigned int length); static int __ext4_journalled_writepage(struct page *page, unsigned int len); -static int ext4_bh_delay_or_unwritten(handle_t *handle, struct buffer_head *bh); static int ext4_meta_trans_blocks(struct inode *inode, int lblocks, int pextents); @@ -869,7 +868,8 @@ struct buffer_head *ext4_getblk(handle_t *handle, struct inode *inode, */ lock_buffer(bh); BUFFER_TRACE(bh, "call get_create_access"); - err = ext4_journal_get_create_access(handle, bh); + err = ext4_journal_get_create_access(handle, inode->i_sb, bh, + EXT4_JTR_NONE); if (unlikely(err)) { unlock_buffer(bh); goto errout; @@ -954,12 +954,12 @@ out_brelse: return err; } -int ext4_walk_page_buffers(handle_t *handle, +int ext4_walk_page_buffers(handle_t *handle, struct inode *inode, struct buffer_head *head, unsigned from, unsigned to, int *partial, - int (*fn)(handle_t *handle, + int (*fn)(handle_t *handle, struct inode *inode, struct buffer_head *bh)) { struct buffer_head *bh; @@ -978,7 +978,7 @@ int ext4_walk_page_buffers(handle_t *handle, *partial = 1; continue; } - err = (*fn)(handle, bh); + err = (*fn)(handle, inode, bh); if (!ret) ret = err; } @@ -1009,7 +1009,7 @@ int ext4_walk_page_buffers(handle_t *handle, * is elevated. We'll still have enough credits for the tiny quotafile * write. */ -int do_journal_get_write_access(handle_t *handle, +int do_journal_get_write_access(handle_t *handle, struct inode *inode, struct buffer_head *bh) { int dirty = buffer_dirty(bh); @@ -1028,7 +1028,8 @@ int do_journal_get_write_access(handle_t *handle, if (dirty) clear_buffer_dirty(bh); BUFFER_TRACE(bh, "get write access"); - ret = ext4_journal_get_write_access(handle, bh); + ret = ext4_journal_get_write_access(handle, inode->i_sb, bh, + EXT4_JTR_NONE); if (!ret && dirty) ret = ext4_handle_dirty_metadata(handle, NULL, bh); return ret; @@ -1208,8 +1209,8 @@ retry_journal: ret = __block_write_begin(page, pos, len, ext4_get_block); #endif if (!ret && ext4_should_journal_data(inode)) { - ret = ext4_walk_page_buffers(handle, page_buffers(page), - from, to, NULL, + ret = ext4_walk_page_buffers(handle, inode, + page_buffers(page), from, to, NULL, do_journal_get_write_access); } @@ -1253,7 +1254,8 @@ retry_journal: } /* For write_end() in data=journal mode */ -static int write_end_fn(handle_t *handle, struct buffer_head *bh) +static int write_end_fn(handle_t *handle, struct inode *inode, + struct buffer_head *bh) { int ret; if (!buffer_mapped(bh) || buffer_freed(bh)) @@ -1352,6 +1354,7 @@ errout: * to call ext4_handle_dirty_metadata() instead. */ static void ext4_journalled_zero_new_buffers(handle_t *handle, + struct inode *inode, struct page *page, unsigned from, unsigned to) { @@ -1370,7 +1373,7 @@ static void ext4_journalled_zero_new_buffers(handle_t *handle, size = min(to, block_end) - start; zero_user(page, start, size); - write_end_fn(handle, bh); + write_end_fn(handle, inode, bh); } clear_buffer_new(bh); } @@ -1412,13 +1415,13 @@ static int ext4_journalled_write_end(struct file *file, copied = ret; } else if (unlikely(copied < len) && !PageUptodate(page)) { copied = 0; - ext4_journalled_zero_new_buffers(handle, page, from, to); + ext4_journalled_zero_new_buffers(handle, inode, page, from, to); } else { if (unlikely(copied < len)) - ext4_journalled_zero_new_buffers(handle, page, + ext4_journalled_zero_new_buffers(handle, inode, page, from + copied, to); - ret = ext4_walk_page_buffers(handle, page_buffers(page), from, - from + copied, &partial, + ret = ext4_walk_page_buffers(handle, inode, page_buffers(page), + from, from + copied, &partial, write_end_fn); if (!partial) SetPageUptodate(page); @@ -1619,7 +1622,8 @@ static void ext4_print_free_blocks(struct inode *inode) return; } -static int ext4_bh_delay_or_unwritten(handle_t *handle, struct buffer_head *bh) +static int ext4_bh_delay_or_unwritten(handle_t *handle, struct inode *inode, + struct buffer_head *bh) { return (buffer_delay(bh) || buffer_unwritten(bh)) && buffer_dirty(bh); } @@ -1851,13 +1855,15 @@ int ext4_da_get_block_prep(struct inode *inode, sector_t iblock, return 0; } -static int bget_one(handle_t *handle, struct buffer_head *bh) +static int bget_one(handle_t *handle, struct inode *inode, + struct buffer_head *bh) { get_bh(bh); return 0; } -static int bput_one(handle_t *handle, struct buffer_head *bh) +static int bput_one(handle_t *handle, struct inode *inode, + struct buffer_head *bh) { put_bh(bh); return 0; @@ -1888,7 +1894,7 @@ static int __ext4_journalled_writepage(struct page *page, BUG(); goto out; } - ext4_walk_page_buffers(handle, page_bufs, 0, len, + ext4_walk_page_buffers(handle, inode, page_bufs, 0, len, NULL, bget_one); } /* @@ -1920,11 +1926,11 @@ static int __ext4_journalled_writepage(struct page *page, if (inline_data) { ret = ext4_mark_inode_dirty(handle, inode); } else { - ret = ext4_walk_page_buffers(handle, page_bufs, 0, len, NULL, - do_journal_get_write_access); + ret = ext4_walk_page_buffers(handle, inode, page_bufs, 0, len, + NULL, do_journal_get_write_access); - err = ext4_walk_page_buffers(handle, page_bufs, 0, len, NULL, - write_end_fn); + err = ext4_walk_page_buffers(handle, inode, page_bufs, 0, len, + NULL, write_end_fn); } if (ret == 0) ret = err; @@ -1941,7 +1947,7 @@ out: unlock_page(page); out_no_pagelock: if (!inline_data && page_bufs) - ext4_walk_page_buffers(NULL, page_bufs, 0, len, + ext4_walk_page_buffers(NULL, inode, page_bufs, 0, len, NULL, bput_one); brelse(inode_bh); return ret; @@ -2031,7 +2037,7 @@ static int ext4_writepage(struct page *page, * for the extremely common case, this is an optimization that * skips a useless round trip through ext4_bio_write_page(). */ - if (ext4_walk_page_buffers(NULL, page_bufs, 0, len, NULL, + if (ext4_walk_page_buffers(NULL, inode, page_bufs, 0, len, NULL, ext4_bh_delay_or_unwritten)) { redirty_page_for_writepage(wbc, page); if ((current->flags & PF_MEMALLOC) || @@ -3794,7 +3800,8 @@ static int __ext4_block_zero_page_range(handle_t *handle, } if (ext4_should_journal_data(inode)) { BUFFER_TRACE(bh, "get write access"); - err = ext4_journal_get_write_access(handle, bh); + err = ext4_journal_get_write_access(handle, inode->i_sb, bh, + EXT4_JTR_NONE); if (err) goto unlock; } @@ -5146,7 +5153,9 @@ static int ext4_do_update_inode(handle_t *handle, ext4_clear_inode_state(inode, EXT4_STATE_NEW); if (set_large_file) { BUFFER_TRACE(EXT4_SB(sb)->s_sbh, "get write access"); - err = ext4_journal_get_write_access(handle, EXT4_SB(sb)->s_sbh); + err = ext4_journal_get_write_access(handle, sb, + EXT4_SB(sb)->s_sbh, + EXT4_JTR_NONE); if (err) goto out_brelse; lock_buffer(EXT4_SB(sb)->s_sbh); @@ -5747,7 +5756,8 @@ ext4_reserve_inode_write(handle_t *handle, struct inode *inode, err = ext4_get_inode_loc(inode, iloc); if (!err) { BUFFER_TRACE(iloc->bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, iloc->bh); + err = ext4_journal_get_write_access(handle, inode->i_sb, + iloc->bh, EXT4_JTR_NONE); if (err) { brelse(iloc->bh); iloc->bh = NULL; @@ -5870,7 +5880,8 @@ int ext4_expand_extra_isize(struct inode *inode, ext4_write_lock_xattr(inode, &no_expand); BUFFER_TRACE(iloc->bh, "get_write_access"); - error = ext4_journal_get_write_access(handle, iloc->bh); + error = ext4_journal_get_write_access(handle, inode->i_sb, iloc->bh, + EXT4_JTR_NONE); if (error) { brelse(iloc->bh); goto out_unlock; @@ -6041,7 +6052,8 @@ int ext4_change_inode_journal_flag(struct inode *inode, int val) return err; } -static int ext4_bh_unmapped(handle_t *handle, struct buffer_head *bh) +static int ext4_bh_unmapped(handle_t *handle, struct inode *inode, + struct buffer_head *bh) { return !buffer_mapped(bh); } @@ -6114,7 +6126,7 @@ vm_fault_t ext4_page_mkwrite(struct vm_fault *vmf) * inode to the transaction's list to writeprotect pages on commit. */ if (page_has_buffers(page)) { - if (!ext4_walk_page_buffers(NULL, page_buffers(page), + if (!ext4_walk_page_buffers(NULL, inode, page_buffers(page), 0, len, NULL, ext4_bh_unmapped)) { /* Wait so that we don't change page under IO */ @@ -6160,11 +6172,13 @@ retry_alloc: err = __block_write_begin(page, 0, len, ext4_get_block); if (!err) { ret = VM_FAULT_SIGBUS; - if (ext4_walk_page_buffers(handle, page_buffers(page), - 0, len, NULL, do_journal_get_write_access)) + if (ext4_walk_page_buffers(handle, inode, + page_buffers(page), 0, len, NULL, + do_journal_get_write_access)) goto out_error; - if (ext4_walk_page_buffers(handle, page_buffers(page), - 0, len, NULL, write_end_fn)) + if (ext4_walk_page_buffers(handle, inode, + page_buffers(page), 0, len, NULL, + write_end_fn)) goto out_error; if (ext4_jbd2_inode_add_write(handle, inode, page_offset(page), len)) diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 6eed6170aded..20aeff88cab6 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -1154,7 +1154,9 @@ resizefs_out: err = PTR_ERR(handle); goto pwsalt_err_exit; } - err = ext4_journal_get_write_access(handle, sbi->s_sbh); + err = ext4_journal_get_write_access(handle, sb, + sbi->s_sbh, + EXT4_JTR_NONE); if (err) goto pwsalt_err_journal; lock_buffer(sbi->s_sbh); diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 665646a12e01..72bfac2d6dce 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -3796,7 +3796,8 @@ ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac, } BUFFER_TRACE(bitmap_bh, "getting write access"); - err = ext4_journal_get_write_access(handle, bitmap_bh); + err = ext4_journal_get_write_access(handle, sb, bitmap_bh, + EXT4_JTR_NONE); if (err) goto out_err; @@ -3809,7 +3810,7 @@ ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac, ext4_free_group_clusters(sb, gdp)); BUFFER_TRACE(gdp_bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, gdp_bh); + err = ext4_journal_get_write_access(handle, sb, gdp_bh, EXT4_JTR_NONE); if (err) goto out_err; @@ -5986,7 +5987,8 @@ do_more: } BUFFER_TRACE(bitmap_bh, "getting write access"); - err = ext4_journal_get_write_access(handle, bitmap_bh); + err = ext4_journal_get_write_access(handle, sb, bitmap_bh, + EXT4_JTR_NONE); if (err) goto error_return; @@ -5996,7 +5998,7 @@ do_more: * using it */ BUFFER_TRACE(gd_bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, gd_bh); + err = ext4_journal_get_write_access(handle, sb, gd_bh, EXT4_JTR_NONE); if (err) goto error_return; #ifdef AGGRESSIVE_CHECK @@ -6177,7 +6179,8 @@ int ext4_group_add_blocks(handle_t *handle, struct super_block *sb, } BUFFER_TRACE(bitmap_bh, "getting write access"); - err = ext4_journal_get_write_access(handle, bitmap_bh); + err = ext4_journal_get_write_access(handle, sb, bitmap_bh, + EXT4_JTR_NONE); if (err) goto error_return; @@ -6187,7 +6190,7 @@ int ext4_group_add_blocks(handle_t *handle, struct super_block *sb, * using it */ BUFFER_TRACE(gd_bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, gd_bh); + err = ext4_journal_get_write_access(handle, sb, gd_bh, EXT4_JTR_NONE); if (err) goto error_return; diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index f3bbcd4efb56..dfb3ae61dfe8 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -70,7 +70,8 @@ static struct buffer_head *ext4_append(handle_t *handle, inode->i_size += inode->i_sb->s_blocksize; EXT4_I(inode)->i_disksize = inode->i_size; BUFFER_TRACE(bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, bh); + err = ext4_journal_get_write_access(handle, inode->i_sb, bh, + EXT4_JTR_NONE); if (err) { brelse(bh); ext4_std_error(inode->i_sb, err); @@ -1927,12 +1928,14 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir, } BUFFER_TRACE(*bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, *bh); + err = ext4_journal_get_write_access(handle, dir->i_sb, *bh, + EXT4_JTR_NONE); if (err) goto journal_error; BUFFER_TRACE(frame->bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, frame->bh); + err = ext4_journal_get_write_access(handle, dir->i_sb, frame->bh, + EXT4_JTR_NONE); if (err) goto journal_error; @@ -2109,7 +2112,8 @@ static int add_dirent_to_buf(handle_t *handle, struct ext4_filename *fname, return err; } BUFFER_TRACE(bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, bh); + err = ext4_journal_get_write_access(handle, dir->i_sb, bh, + EXT4_JTR_NONE); if (err) { ext4_std_error(dir->i_sb, err); return err; @@ -2167,7 +2171,8 @@ static int make_indexed_dir(handle_t *handle, struct ext4_filename *fname, blocksize = dir->i_sb->s_blocksize; dxtrace(printk(KERN_DEBUG "Creating index: inode %lu\n", dir->i_ino)); BUFFER_TRACE(bh, "get_write_access"); - retval = ext4_journal_get_write_access(handle, bh); + retval = ext4_journal_get_write_access(handle, dir->i_sb, bh, + EXT4_JTR_NONE); if (retval) { ext4_std_error(dir->i_sb, retval); brelse(bh); @@ -2419,7 +2424,7 @@ again: } BUFFER_TRACE(bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, bh); + err = ext4_journal_get_write_access(handle, sb, bh, EXT4_JTR_NONE); if (err) goto journal_error; @@ -2476,7 +2481,8 @@ again: node2->fake.rec_len = ext4_rec_len_to_disk(sb->s_blocksize, sb->s_blocksize); BUFFER_TRACE(frame->bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, frame->bh); + err = ext4_journal_get_write_access(handle, sb, frame->bh, + EXT4_JTR_NONE); if (err) goto journal_error; if (!add_level) { @@ -2486,8 +2492,9 @@ again: icount1, icount2)); BUFFER_TRACE(frame->bh, "get_write_access"); /* index root */ - err = ext4_journal_get_write_access(handle, - (frame - 1)->bh); + err = ext4_journal_get_write_access(handle, sb, + (frame - 1)->bh, + EXT4_JTR_NONE); if (err) goto journal_error; @@ -2636,7 +2643,8 @@ static int ext4_delete_entry(handle_t *handle, csum_size = sizeof(struct ext4_dir_entry_tail); BUFFER_TRACE(bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, bh); + err = ext4_journal_get_write_access(handle, dir->i_sb, bh, + EXT4_JTR_NONE); if (unlikely(err)) goto out; @@ -3088,7 +3096,8 @@ int ext4_orphan_add(handle_t *handle, struct inode *inode) S_ISLNK(inode->i_mode)) || inode->i_nlink == 0); BUFFER_TRACE(sbi->s_sbh, "get_write_access"); - err = ext4_journal_get_write_access(handle, sbi->s_sbh); + err = ext4_journal_get_write_access(handle, sb, sbi->s_sbh, + EXT4_JTR_NONE); if (err) goto out; @@ -3186,7 +3195,8 @@ int ext4_orphan_del(handle_t *handle, struct inode *inode) if (prev == &sbi->s_orphan) { jbd_debug(4, "superblock will point to %u\n", ino_next); BUFFER_TRACE(sbi->s_sbh, "get_write_access"); - err = ext4_journal_get_write_access(handle, sbi->s_sbh); + err = ext4_journal_get_write_access(handle, inode->i_sb, + sbi->s_sbh, EXT4_JTR_NONE); if (err) { mutex_unlock(&sbi->s_orphan_lock); goto out_brelse; @@ -3675,7 +3685,8 @@ static int ext4_rename_dir_prepare(handle_t *handle, struct ext4_renament *ent) if (le32_to_cpu(ent->parent_de->inode) != ent->dir->i_ino) return -EFSCORRUPTED; BUFFER_TRACE(ent->dir_bh, "get_write_access"); - return ext4_journal_get_write_access(handle, ent->dir_bh); + return ext4_journal_get_write_access(handle, ent->dir->i_sb, + ent->dir_bh, EXT4_JTR_NONE); } static int ext4_rename_dir_finish(handle_t *handle, struct ext4_renament *ent, @@ -3710,7 +3721,8 @@ static int ext4_setent(handle_t *handle, struct ext4_renament *ent, int retval, retval2; BUFFER_TRACE(ent->bh, "get write access"); - retval = ext4_journal_get_write_access(handle, ent->bh); + retval = ext4_journal_get_write_access(handle, ent->dir->i_sb, ent->bh, + EXT4_JTR_NONE); if (retval) return retval; ent->de->inode = cpu_to_le32(ino); diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index 7a9f1adef679..b63cb88ccdae 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -409,7 +409,8 @@ static struct buffer_head *bclean(handle_t *handle, struct super_block *sb, if (unlikely(!bh)) return ERR_PTR(-ENOMEM); BUFFER_TRACE(bh, "get_write_access"); - if ((err = ext4_journal_get_write_access(handle, bh))) { + err = ext4_journal_get_write_access(handle, sb, bh, EXT4_JTR_NONE); + if (err) { brelse(bh); bh = ERR_PTR(err); } else { @@ -474,7 +475,8 @@ static int set_flexbg_block_bitmap(struct super_block *sb, handle_t *handle, return -ENOMEM; BUFFER_TRACE(bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, bh); + err = ext4_journal_get_write_access(handle, sb, bh, + EXT4_JTR_NONE); if (err) { brelse(bh); return err; @@ -569,7 +571,8 @@ static int setup_new_flex_group_blocks(struct super_block *sb, } BUFFER_TRACE(gdb, "get_write_access"); - err = ext4_journal_get_write_access(handle, gdb); + err = ext4_journal_get_write_access(handle, sb, gdb, + EXT4_JTR_NONE); if (err) { brelse(gdb); goto out; @@ -837,17 +840,18 @@ static int add_new_gdb(handle_t *handle, struct inode *inode, } BUFFER_TRACE(EXT4_SB(sb)->s_sbh, "get_write_access"); - err = ext4_journal_get_write_access(handle, EXT4_SB(sb)->s_sbh); + err = ext4_journal_get_write_access(handle, sb, EXT4_SB(sb)->s_sbh, + EXT4_JTR_NONE); if (unlikely(err)) goto errout; BUFFER_TRACE(gdb_bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, gdb_bh); + err = ext4_journal_get_write_access(handle, sb, gdb_bh, EXT4_JTR_NONE); if (unlikely(err)) goto errout; BUFFER_TRACE(dind, "get_write_access"); - err = ext4_journal_get_write_access(handle, dind); + err = ext4_journal_get_write_access(handle, sb, dind, EXT4_JTR_NONE); if (unlikely(err)) { ext4_std_error(sb, err); goto errout; @@ -956,7 +960,7 @@ static int add_new_gdb_meta_bg(struct super_block *sb, n_group_desc[gdb_num] = gdb_bh; BUFFER_TRACE(gdb_bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, gdb_bh); + err = ext4_journal_get_write_access(handle, sb, gdb_bh, EXT4_JTR_NONE); if (err) { kvfree(n_group_desc); brelse(gdb_bh); @@ -1042,7 +1046,8 @@ static int reserve_backup_gdb(handle_t *handle, struct inode *inode, for (i = 0; i < reserved_gdb; i++) { BUFFER_TRACE(primary[i], "get_write_access"); - if ((err = ext4_journal_get_write_access(handle, primary[i]))) + if ((err = ext4_journal_get_write_access(handle, sb, primary[i], + EXT4_JTR_NONE))) goto exit_bh; } @@ -1149,10 +1154,9 @@ static void update_backups(struct super_block *sb, sector_t blk_off, char *data, backup_block, backup_block - ext4_group_first_block_no(sb, group)); BUFFER_TRACE(bh, "get_write_access"); - if ((err = ext4_journal_get_write_access(handle, bh))) { - brelse(bh); + if ((err = ext4_journal_get_write_access(handle, sb, bh, + EXT4_JTR_NONE))) break; - } lock_buffer(bh); memcpy(bh->b_data, data, size); if (rest) @@ -1232,7 +1236,8 @@ static int ext4_add_new_descs(handle_t *handle, struct super_block *sb, gdb_bh = sbi_array_rcu_deref(sbi, s_group_desc, gdb_num); BUFFER_TRACE(gdb_bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, gdb_bh); + err = ext4_journal_get_write_access(handle, sb, gdb_bh, + EXT4_JTR_NONE); if (!err && reserved_gdb && ext4_bg_num_gdb(sb, group)) err = reserve_backup_gdb(handle, resize_inode, group); @@ -1509,7 +1514,8 @@ static int ext4_flex_group_add(struct super_block *sb, } BUFFER_TRACE(sbi->s_sbh, "get_write_access"); - err = ext4_journal_get_write_access(handle, sbi->s_sbh); + err = ext4_journal_get_write_access(handle, sb, sbi->s_sbh, + EXT4_JTR_NONE); if (err) goto exit_journal; @@ -1722,7 +1728,8 @@ static int ext4_group_extend_no_check(struct super_block *sb, } BUFFER_TRACE(EXT4_SB(sb)->s_sbh, "get_write_access"); - err = ext4_journal_get_write_access(handle, EXT4_SB(sb)->s_sbh); + err = ext4_journal_get_write_access(handle, sb, EXT4_SB(sb)->s_sbh, + EXT4_JTR_NONE); if (err) { ext4_warning(sb, "error %d on journal write access", err); goto errout; @@ -1884,7 +1891,8 @@ static int ext4_convert_meta_bg(struct super_block *sb, struct inode *inode) return PTR_ERR(handle); BUFFER_TRACE(sbi->s_sbh, "get_write_access"); - err = ext4_journal_get_write_access(handle, sbi->s_sbh); + err = ext4_journal_get_write_access(handle, sb, sbi->s_sbh, + EXT4_JTR_NONE); if (err) goto errout; diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 970013c93d3e..9d4e13ef5f56 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -4014,6 +4014,20 @@ static const char *ext4_quota_mode(struct super_block *sb) #endif } +static void ext4_setup_csum_trigger(struct super_block *sb, + enum ext4_journal_trigger_type type, + void (*trigger)( + struct jbd2_buffer_trigger_type *type, + struct buffer_head *bh, + void *mapped_data, + size_t size)) +{ + struct ext4_sb_info *sbi = EXT4_SB(sb); + + sbi->s_journal_triggers[type].sb = sb; + sbi->s_journal_triggers[type].tr_triggers.t_frozen = trigger; +} + static int ext4_fill_super(struct super_block *sb, void *data, int silent) { struct dax_device *dax_dev = fs_dax_get_by_bdev(sb->s_bdev); @@ -6617,7 +6631,7 @@ static ssize_t ext4_quota_write(struct super_block *sb, int type, if (!bh) goto out; BUFFER_TRACE(bh, "get write access"); - err = ext4_journal_get_write_access(handle, bh); + err = ext4_journal_get_write_access(handle, sb, bh, EXT4_JTR_NONE); if (err) { brelse(bh); return err; diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index 6dd5c05c444a..1e0fc1ed845b 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -791,7 +791,8 @@ static void ext4_xattr_update_super_block(handle_t *handle, return; BUFFER_TRACE(EXT4_SB(sb)->s_sbh, "get_write_access"); - if (ext4_journal_get_write_access(handle, EXT4_SB(sb)->s_sbh) == 0) { + if (ext4_journal_get_write_access(handle, sb, EXT4_SB(sb)->s_sbh, + EXT4_JTR_NONE) == 0) { lock_buffer(EXT4_SB(sb)->s_sbh); ext4_set_feature_xattr(sb); ext4_superblock_csum_set(sb); @@ -1169,7 +1170,8 @@ ext4_xattr_inode_dec_ref_all(handle_t *handle, struct inode *parent, continue; } if (err > 0) { - err = ext4_journal_get_write_access(handle, bh); + err = ext4_journal_get_write_access(handle, + parent->i_sb, bh, EXT4_JTR_NONE); if (err) { ext4_warning_inode(ea_inode, "Re-get write access err=%d", @@ -1230,7 +1232,8 @@ ext4_xattr_release_block(handle_t *handle, struct inode *inode, int error = 0; BUFFER_TRACE(bh, "get_write_access"); - error = ext4_journal_get_write_access(handle, bh); + error = ext4_journal_get_write_access(handle, inode->i_sb, bh, + EXT4_JTR_NONE); if (error) goto out; @@ -1371,7 +1374,8 @@ retry: "ext4_getblk() return bh = NULL"); return -EFSCORRUPTED; } - ret = ext4_journal_get_write_access(handle, bh); + ret = ext4_journal_get_write_access(handle, ea_inode->i_sb, bh, + EXT4_JTR_NONE); if (ret) goto out; @@ -1855,7 +1859,8 @@ ext4_xattr_block_set(handle_t *handle, struct inode *inode, if (s->base) { BUFFER_TRACE(bs->bh, "get_write_access"); - error = ext4_journal_get_write_access(handle, bs->bh); + error = ext4_journal_get_write_access(handle, sb, bs->bh, + EXT4_JTR_NONE); if (error) goto cleanup; lock_buffer(bs->bh); @@ -1987,8 +1992,9 @@ inserted: if (error) goto cleanup; BUFFER_TRACE(new_bh, "get_write_access"); - error = ext4_journal_get_write_access(handle, - new_bh); + error = ext4_journal_get_write_access( + handle, sb, new_bh, + EXT4_JTR_NONE); if (error) goto cleanup_dquot; lock_buffer(new_bh); @@ -2092,7 +2098,8 @@ getblk_failed: } lock_buffer(new_bh); - error = ext4_journal_get_create_access(handle, new_bh); + error = ext4_journal_get_create_access(handle, sb, + new_bh, EXT4_JTR_NONE); if (error) { unlock_buffer(new_bh); error = -EIO; @@ -2848,7 +2855,8 @@ int ext4_xattr_delete_inode(handle_t *handle, struct inode *inode, goto cleanup; } - error = ext4_journal_get_write_access(handle, iloc.bh); + error = ext4_journal_get_write_access(handle, inode->i_sb, + iloc.bh, EXT4_JTR_NONE); if (error) { EXT4_ERROR_INODE(inode, "write access (error %d)", error); |