diff options
Diffstat (limited to 'fs/btrfs/extent_io.c')
| -rw-r--r-- | fs/btrfs/extent_io.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index ada88ada49e1..287e25edb3ef 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -36,6 +36,7 @@ #include "file.h" #include "dev-replace.h" #include "super.h" +#include "transaction.h" static struct kmem_cache *extent_buffer_cache; @@ -4268,12 +4269,25 @@ static void clear_subpage_extent_buffer_dirty(const struct extent_buffer *eb) WARN_ON(atomic_read(&eb->refs) == 0); } -void clear_extent_buffer_dirty(const struct extent_buffer *eb) +void btrfs_clear_buffer_dirty(struct btrfs_trans_handle *trans, + struct extent_buffer *eb) { + struct btrfs_fs_info *fs_info = eb->fs_info; int i; int num_pages; struct page *page; + btrfs_assert_tree_write_locked(eb); + + if (trans && btrfs_header_generation(eb) != trans->transid) + return; + + if (!test_and_clear_bit(EXTENT_BUFFER_DIRTY, &eb->bflags)) + return; + + percpu_counter_add_batch(&fs_info->dirty_metadata_bytes, -eb->len, + fs_info->dirty_metadata_batch); + if (eb->fs_info->nodesize < PAGE_SIZE) return clear_subpage_extent_buffer_dirty(eb); |