Commit 3153495d authored by Miao Xie's avatar Miao Xie Committed by Li Zefan
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Btrfs: Fix incorrect inode nlink in btrfs_link() 



Link count of the inode is not decreased if btrfs_set_inode_index()
fails.

Signed-off-by: default avatarMiao Xie <miaox@cn.fujitsu.com>
Singed-off-by: default avatarLi Zefan <lizf@cn.fujitsu.com>
parent b9e03af0

fs/btrfs/inode.c

+3 −3
Original line number Diff line number Diff line
@@ -4846,9 +4846,6 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir, 
	if (inode->i_nlink == ~0U)

		return -EMLINK;



	btrfs_inc_nlink(inode);

	inode->i_ctime = CURRENT_TIME;



	err = btrfs_set_inode_index(dir, &index);

	if (err)

		goto fail;
@@ -4864,6 +4861,9 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir, 
		goto fail;

	}



	btrfs_inc_nlink(inode);

	inode->i_ctime = CURRENT_TIME;



	btrfs_set_trans_block_group(trans, dir);

	ihold(inode);