diff options
Diffstat (limited to 'fs/btrfs')
-rw-r--r-- | fs/btrfs/dev-replace.c | 4 | ||||
-rw-r--r-- | fs/btrfs/extent-tree.c | 11 | ||||
-rw-r--r-- | fs/btrfs/ioctl.c | 2 | ||||
-rw-r--r-- | fs/btrfs/ordered-data.c | 22 | ||||
-rw-r--r-- | fs/btrfs/ordered-data.h | 4 | ||||
-rw-r--r-- | fs/btrfs/relocation.c | 2 | ||||
-rw-r--r-- | fs/btrfs/super.c | 2 | ||||
-rw-r--r-- | fs/btrfs/transaction.c | 2 |
8 files changed, 31 insertions, 18 deletions
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c index cb94310db072..3d2495e83e62 100644 --- a/fs/btrfs/dev-replace.c +++ b/fs/btrfs/dev-replace.c @@ -391,7 +391,7 @@ int btrfs_dev_replace_start(struct btrfs_root *root, args->result = BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR; btrfs_dev_replace_unlock(dev_replace); - btrfs_wait_all_ordered_extents(root->fs_info); + btrfs_wait_ordered_roots(root->fs_info, -1); /* force writing the updated state information to disk */ trans = btrfs_start_transaction(root, 0); @@ -466,7 +466,7 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info, mutex_unlock(&dev_replace->lock_finishing_cancel_unmount); return ret; } - btrfs_wait_all_ordered_extents(root->fs_info); + btrfs_wait_ordered_roots(root->fs_info, -1); trans = btrfs_start_transaction(root, 0); if (IS_ERR(trans)) { diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 83bffbea7d97..a21bbf83fdc2 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -4018,7 +4018,7 @@ static void btrfs_writeback_inodes_sb_nr(struct btrfs_root *root, */ btrfs_start_all_delalloc_inodes(root->fs_info, 0); if (!current->journal_info) - btrfs_wait_all_ordered_extents(root->fs_info); + btrfs_wait_ordered_roots(root->fs_info, -1); } } @@ -4050,11 +4050,12 @@ static void shrink_delalloc(struct btrfs_root *root, u64 to_reclaim, u64 orig, long time_left; unsigned long nr_pages; int loops; + int items; enum btrfs_reserve_flush_enum flush; /* Calc the number of the pages we need flush for space reservation */ - to_reclaim = calc_reclaim_items_nr(root, to_reclaim); - to_reclaim *= EXTENT_SIZE_PER_ITEM; + items = calc_reclaim_items_nr(root, to_reclaim); + to_reclaim = items * EXTENT_SIZE_PER_ITEM; trans = (struct btrfs_trans_handle *)current->journal_info; block_rsv = &root->fs_info->delalloc_block_rsv; @@ -4066,7 +4067,7 @@ static void shrink_delalloc(struct btrfs_root *root, u64 to_reclaim, u64 orig, if (trans) return; if (wait_ordered) - btrfs_wait_all_ordered_extents(root->fs_info); + btrfs_wait_ordered_roots(root->fs_info, items); return; } @@ -4105,7 +4106,7 @@ skip_async: loops++; if (wait_ordered && !trans) { - btrfs_wait_all_ordered_extents(root->fs_info); + btrfs_wait_ordered_roots(root->fs_info, items); } else { time_left = schedule_timeout_killable(1); if (time_left) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 6523108d2984..d4f2861b0d9e 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -572,7 +572,7 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir, if (ret) return ret; - btrfs_wait_ordered_extents(root); + btrfs_wait_ordered_extents(root, -1); pending_snapshot = kzalloc(sizeof(*pending_snapshot), GFP_NOFS); if (!pending_snapshot) diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index 8a5eff366596..25a8f3812f14 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -565,10 +565,11 @@ static void btrfs_run_ordered_extent_work(struct btrfs_work *work) * wait for all the ordered extents in a root. This is done when balancing * space between drives. */ -void btrfs_wait_ordered_extents(struct btrfs_root *root) +int btrfs_wait_ordered_extents(struct btrfs_root *root, int nr) { struct list_head splice, works; struct btrfs_ordered_extent *ordered, *next; + int count = 0; INIT_LIST_HEAD(&splice); INIT_LIST_HEAD(&works); @@ -576,7 +577,7 @@ void btrfs_wait_ordered_extents(struct btrfs_root *root) mutex_lock(&root->fs_info->ordered_operations_mutex); spin_lock(&root->ordered_extent_lock); list_splice_init(&root->ordered_extents, &splice); - while (!list_empty(&splice)) { + while (!list_empty(&splice) && nr) { ordered = list_first_entry(&splice, struct btrfs_ordered_extent, root_extent_list); list_move_tail(&ordered->root_extent_list, @@ -591,7 +592,11 @@ void btrfs_wait_ordered_extents(struct btrfs_root *root) cond_resched(); spin_lock(&root->ordered_extent_lock); + if (nr != -1) + nr--; + count++; } + list_splice_tail(&splice, &root->ordered_extents); spin_unlock(&root->ordered_extent_lock); list_for_each_entry_safe(ordered, next, &works, work_list) { @@ -601,18 +606,21 @@ void btrfs_wait_ordered_extents(struct btrfs_root *root) cond_resched(); } mutex_unlock(&root->fs_info->ordered_operations_mutex); + + return count; } -void btrfs_wait_all_ordered_extents(struct btrfs_fs_info *fs_info) +void btrfs_wait_ordered_roots(struct btrfs_fs_info *fs_info, int nr) { struct btrfs_root *root; struct list_head splice; + int done; INIT_LIST_HEAD(&splice); spin_lock(&fs_info->ordered_root_lock); list_splice_init(&fs_info->ordered_roots, &splice); - while (!list_empty(&splice)) { + while (!list_empty(&splice) && nr) { root = list_first_entry(&splice, struct btrfs_root, ordered_root); root = btrfs_grab_fs_root(root); @@ -621,10 +629,14 @@ void btrfs_wait_all_ordered_extents(struct btrfs_fs_info *fs_info) &fs_info->ordered_roots); spin_unlock(&fs_info->ordered_root_lock); - btrfs_wait_ordered_extents(root); + done = btrfs_wait_ordered_extents(root, nr); btrfs_put_fs_root(root); spin_lock(&fs_info->ordered_root_lock); + if (nr != -1) { + nr -= done; + WARN_ON(nr < 0); + } } spin_unlock(&fs_info->ordered_root_lock); } diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h index 3982db1c1b36..9b0450f7ac20 100644 --- a/fs/btrfs/ordered-data.h +++ b/fs/btrfs/ordered-data.h @@ -195,8 +195,8 @@ int btrfs_run_ordered_operations(struct btrfs_trans_handle *trans, void btrfs_add_ordered_operation(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct inode *inode); -void btrfs_wait_ordered_extents(struct btrfs_root *root); -void btrfs_wait_all_ordered_extents(struct btrfs_fs_info *fs_info); +int btrfs_wait_ordered_extents(struct btrfs_root *root, int nr); +void btrfs_wait_ordered_roots(struct btrfs_fs_info *fs_info, int nr); void btrfs_get_logged_extents(struct btrfs_root *log, struct inode *inode); void btrfs_wait_logged_extents(struct btrfs_root *log, u64 transid); void btrfs_free_logged_extents(struct btrfs_root *log, u64 transid); diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index 70eca79bae52..e1b3c2c73c44 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -4227,7 +4227,7 @@ int btrfs_relocate_block_group(struct btrfs_root *extent_root, u64 group_start) err = ret; goto out; } - btrfs_wait_all_ordered_extents(fs_info); + btrfs_wait_ordered_roots(fs_info, -1); while (1) { mutex_lock(&fs_info->cleaner_mutex); diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 1de6d4d67431..2d8ac1bf0cf9 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -920,7 +920,7 @@ int btrfs_sync_fs(struct super_block *sb, int wait) return 0; } - btrfs_wait_all_ordered_extents(fs_info); + btrfs_wait_ordered_roots(fs_info, -1); trans = btrfs_attach_transaction_barrier(root); if (IS_ERR(trans)) { diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 277fe812d047..32c100b8c563 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -1636,7 +1636,7 @@ static inline int btrfs_start_delalloc_flush(struct btrfs_fs_info *fs_info) static inline void btrfs_wait_delalloc_flush(struct btrfs_fs_info *fs_info) { if (btrfs_test_opt(fs_info->tree_root, FLUSHONCOMMIT)) - btrfs_wait_all_ordered_extents(fs_info); + btrfs_wait_ordered_roots(fs_info, -1); } int btrfs_commit_transaction(struct btrfs_trans_handle *trans, |