From: Christian Brauner <redacted>

Enable btrfs_symlink() to handle idmapped mounts. This is just a matter of
passing down the mount's userns.

Cc: Chris Mason <clm@fb.com>
Cc: Josef Bacik <josef@toxicpanda.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: David Sterba <dsterba@suse.com>
Cc: linux-btrfs@vger.kernel.org
Signed-off-by: Christian Brauner <redacted>
---
 fs/btrfs/inode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 5038ab28f688..9b87ac971875 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c

@@ -9858,7 +9858,7 @@ static int btrfs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
 	if (err)
 		goto out_unlock;
 
-	inode = btrfs_new_inode(trans, root, &init_user_ns, dir,
+	inode = btrfs_new_inode(trans, root, mnt_userns, dir,
 				dentry->d_name.name, dentry->d_name.len,
 				btrfs_ino(BTRFS_I(dir)), objectid,
 				S_IFLNK | S_IRWXUGO, &index);

-- 
2.30.2