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fs: port HAS_UNMAPPED_ID() to vfs{g,u}id_t 

The HAS_UNMAPPED_ID() helper is fully self contained so we can port it
to vfs{g,u}id_t without much effort.

Cc: Seth Forshee <sforshee@digitalocean.com>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
This commit is contained in:
Christian Brauner 2022-06-29 12:25:53 +02:00 committed by Christian Brauner (Microsoft)
parent 4d0548a7b8
commit 9adf24a409
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1 changed files with 2 additions and 2 deletions
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4
include/linux/fs.h
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@ -2323,8 +2323,8 @@ static inline bool sb_rdonly(const struct super_block *sb) { return sb->s_flags
static inline bool HAS_UNMAPPED_ID(struct user_namespace *mnt_userns,
struct inode *inode)
{
return !uid_valid(i_uid_into_mnt(mnt_userns, inode)) ||
!gid_valid(i_gid_into_mnt(mnt_userns, inode));
return !vfsuid_valid(i_uid_into_vfsuid(mnt_userns, inode)) ||
!vfsgid_valid(i_gid_into_vfsgid(mnt_userns, inode));
}
static inline int iocb_flags(struct file *file);