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Btrfs: call inode_dec_link_count() on mkdir error path

Message ID 1419403530-15617-1-git-send-email-wangshilong1991@gmail.com (mailing list archive)
State Accepted
Headers show

Commit Message

Wang Shilong Dec. 24, 2014, 6:45 a.m. UTC 
From: Wang Shilong <wangshilong1991@gmail.com>

In btrfs_mkdir(), if it fails to create dir, we should
clean up existed items, setting inode's link properly
to make sure it could be cleaned up properly.

Signed-off-by: Wang Shilong <wangshilong1991@gmail.com>
---
 fs/btrfs/inode.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 8de2335..8a036ed 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6255,8 +6255,10 @@  static int btrfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
 
 out_fail:
 	btrfs_end_transaction(trans, root);
-	if (drop_on_err)
+	if (drop_on_err) {
+		inode_dec_link_count(inode);
 		iput(inode);
+	}
 	btrfs_balance_delayed_items(root);
 	btrfs_btree_balance_dirty(root);
 	return err;