diff options
Diffstat (limited to 'fs/btrfs/ordered-data.c')
| -rw-r--r-- | fs/btrfs/ordered-data.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index 2a4cb6db42d1..eb24a6d20ff8 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -524,6 +524,13 @@ void btrfs_remove_ordered_extent(struct btrfs_inode *btrfs_inode, struct btrfs_fs_info *fs_info = root->fs_info; struct rb_node *node; bool pending; + bool freespace_inode; + + /* + * If this is a free space inode the thread has not acquired the ordered + * extents lockdep map. + */ + freespace_inode = btrfs_is_free_space_inode(btrfs_inode); btrfs_lockdep_acquire(fs_info, btrfs_trans_pending_ordered); /* This is paired with btrfs_add_ordered_extent. */ @@ -597,6 +604,8 @@ void btrfs_remove_ordered_extent(struct btrfs_inode *btrfs_inode, } spin_unlock(&root->ordered_extent_lock); wake_up(&entry->wait); + if (!freespace_inode) + btrfs_lockdep_release(fs_info, btrfs_ordered_extent); } static void btrfs_run_ordered_extent_work(struct btrfs_work *work) @@ -715,10 +724,17 @@ void btrfs_start_ordered_extent(struct btrfs_ordered_extent *entry, int wait) u64 start = entry->file_offset; u64 end = start + entry->num_bytes - 1; struct btrfs_inode *inode = BTRFS_I(entry->inode); + bool freespace_inode; trace_btrfs_ordered_extent_start(inode, entry); /* + * If this is a free space inode do not take the ordered extents lockdep + * map. + */ + freespace_inode = btrfs_is_free_space_inode(inode); + + /* * pages in the range can be dirty, clean or writeback. We * start IO on any dirty ones so the wait doesn't stall waiting * for the flusher thread to find them @@ -726,6 +742,8 @@ void btrfs_start_ordered_extent(struct btrfs_ordered_extent *entry, int wait) if (!test_bit(BTRFS_ORDERED_DIRECT, &entry->flags)) filemap_fdatawrite_range(inode->vfs_inode.i_mapping, start, end); if (wait) { + if (!freespace_inode) + btrfs_might_wait_for_event(inode->root->fs_info, btrfs_ordered_extent); wait_event(entry->wait, test_bit(BTRFS_ORDERED_COMPLETE, &entry->flags)); } |