btrfs: allow idmapped symlink inode op

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

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 16bd56edb8e168d9a525a3f13d0fb8f777cd7671..0ffd48f9b685476c80f98c7a4e6a0d909c86ba59 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -10077,7 +10077,7 @@ 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);