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fs: use type safe idmapping helpers

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We already ported most parts and filesystems over for v6.0 to the new
vfs{g,u}id_t type and associated helpers for v6.0. Convert the remaining
places so we can remove all the old helpers.
This is a non-functional change.

Reviewed-by: Seth Forshee (DigitalOcean) <sforshee@kernel.org>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
This commit is contained in:
Christian Brauner
2022-06-22 22:12:16 +02:00
committed by Christian Brauner (Microsoft)
parent 9c4f28ddfb
commit a2bd096fb2
6 changed files with 40 additions and 37 deletions
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8
fs/inode.c
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@@ -2326,15 +2326,15 @@ EXPORT_SYMBOL(inode_init_owner);
bool inode_owner_or_capable(struct user_namespace *mnt_userns,
const struct inode *inode)
{
kuid_t i_uid;
vfsuid_t vfsuid;
struct user_namespace *ns;
i_uid = i_uid_into_mnt(mnt_userns, inode);
if (uid_eq(current_fsuid(), i_uid))
vfsuid = i_uid_into_vfsuid(mnt_userns, inode);
if (vfsuid_eq_kuid(vfsuid, current_fsuid()))
return true;
ns = current_user_ns();
if (kuid_has_mapping(ns, i_uid) && ns_capable(ns, CAP_FOWNER))
if (vfsuid_has_mapping(ns, vfsuid) && ns_capable(ns, CAP_FOWNER))
return true;
return false;
}