Since we've changed the fsync() path to always run ordered extents
before doing the tree log we no longer need to take the dio_sem in the
tree log path. This gets rid of a lockdep splat that I was seeing with
the AIO tests.
Signed-off-by: Josef Bacik <jo...@toxicpanda.com>
---
fs/btrfs/tree-log.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index f8220ec02036..aa06e1954b84 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -4439,7 +4439,6 @@ static int btrfs_log_changed_extents(struct
btrfs_trans_handle *trans,
INIT_LIST_HEAD(&extents);
- down_write(&inode->dio_sem);
write_lock(&tree->lock);
test_gen = root->fs_info->last_trans_committed;
logged_start = start;
@@ -4520,7 +4519,6 @@ static int btrfs_log_changed_extents(struct
btrfs_trans_handle *trans,
}
WARN_ON(!list_empty(&extents));
write_unlock(&tree->lock);
- up_write(&inode->dio_sem);
btrfs_release_path(path);
if (!ret)
--
2.14.3
--
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