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btrfs: allow idmapped permission inode op

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Enable btrfs_permission() 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>
This commit is contained in:
Christian Brauner 2021-07-27 12:48:50 +02:00 committed by David Sterba
parent d4d0946461
commit 3bc71ba02c
1 changed files with 1 additions and 1 deletions
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fs/btrfs/inode.c
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@ -10403,7 +10403,7 @@ static int btrfs_permission(struct user_namespace *mnt_userns,
if (BTRFS_I(inode)->flags & BTRFS_INODE_READONLY)
return -EACCES;
}
return generic_permission(&init_user_ns, inode, mask);
return generic_permission(mnt_userns, inode, mask);
}
static int btrfs_tmpfile(struct user_namespace *mnt_userns, struct inode *dir,