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ovl: handle idmappings for layer fileattrs

Take the upper mount's idmapping into account when setting fileattrs on
the upper layer. This is needed to support idmapped base layers with
overlay.

Cc: <linux-unionfs@vger.kernel.org>
Tested-by: Giuseppe Scrivano <gscrivan@redhat.com>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Christian Brauner 2022-04-04 12:51:51 +02:00 committed by Miklos Szeredi
parent dad7017a84
commit 50db8d0273

View File

@ -537,7 +537,7 @@ int ovl_real_fileattr_set(struct path *realpath, struct fileattr *fa)
if (err)
return err;
return vfs_fileattr_set(&init_user_ns, realpath->dentry, fa);
return vfs_fileattr_set(mnt_user_ns(realpath->mnt), realpath->dentry, fa);
}
int ovl_fileattr_set(struct user_namespace *mnt_userns,