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-rw-r--r--include/linux/mnt_idmapping.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/include/linux/mnt_idmapping.h b/include/linux/mnt_idmapping.h
index 41dc80f8b67c..f6e5369d2928 100644
--- a/include/linux/mnt_idmapping.h
+++ b/include/linux/mnt_idmapping.h
@@ -334,6 +334,19 @@ static inline bool vfsuid_has_fsmapping(struct user_namespace *mnt_userns,
}
/**
+ * vfsuid_into_kuid - convert vfsuid into kuid
+ * @vfsuid: the vfsuid to convert
+ *
+ * This can be used when a vfsuid is committed as a kuid.
+ *
+ * Return: a kuid with the value of @vfsuid
+ */
+static inline kuid_t vfsuid_into_kuid(vfsuid_t vfsuid)
+{
+ return AS_KUIDT(vfsuid);
+}
+
+/**
* from_vfsgid - map a vfsgid into the filesystem idmapping
* @mnt_userns: the mount's idmapping
* @fs_userns: the filesystem's idmapping
@@ -407,6 +420,19 @@ static inline bool vfsgid_has_fsmapping(struct user_namespace *mnt_userns,
}
/**
+ * vfsgid_into_kgid - convert vfsgid into kgid
+ * @vfsgid: the vfsgid to convert
+ *
+ * This can be used when a vfsgid is committed as a kgid.
+ *
+ * Return: a kgid with the value of @vfsgid
+ */
+static inline kgid_t vfsgid_into_kgid(vfsgid_t vfsgid)
+{
+ return AS_KGIDT(vfsgid);
+}
+
+/**
* mapped_fsuid - return caller's fsuid mapped up into a mnt_userns
* @mnt_userns: the mount's idmapping
* @fs_userns: the filesystem's idmapping