These helpers are required to support idmapped mounts in the Cephfs.
Cc: Christian Brauner <brauner@kernel.org>
Cc: Xiubo Li <xiubli@redhat.com>
Cc: Jeff Layton <jlayton@kernel.org>
Cc: Ilya Dryomov <idryomov@gmail.com>
Cc: ceph-devel@vger.kernel.org
Cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com>
Reviewed-by: Christian Brauner <brauner@kernel.org>
---
v3:
- EXPORT_SYMBOL -> EXPORT_SYMBOL_GPL as Christoph Hellwig suggested
---
fs/mnt_idmapping.c | 2 ++
include/linux/mnt_idmapping.h | 3 +++
2 files changed, 5 insertions(+)
diff --git a/fs/mnt_idmapping.c b/fs/mnt_idmapping.c
index 4905665c47d0..57d1dedf3f8f 100644
--- a/fs/mnt_idmapping.c
+++ b/fs/mnt_idmapping.c
@@ -256,6 +256,7 @@ struct mnt_idmap *mnt_idmap_get(struct mnt_idmap *idmap)
return idmap;
}
+EXPORT_SYMBOL_GPL(mnt_idmap_get);
/**
* mnt_idmap_put - put a reference to an idmapping
@@ -271,3 +272,4 @@ void mnt_idmap_put(struct mnt_idmap *idmap)
kfree(idmap);
}
}
+EXPORT_SYMBOL_GPL(mnt_idmap_put);
diff --git a/include/linux/mnt_idmapping.h b/include/linux/mnt_idmapping.h
index 057c89867aa2..b8da2db4ecd2 100644
--- a/include/linux/mnt_idmapping.h
+++ b/include/linux/mnt_idmapping.h
@@ -115,6 +115,9 @@ static inline bool vfsgid_eq_kgid(vfsgid_t vfsgid, kgid_t kgid)
int vfsgid_in_group_p(vfsgid_t vfsgid);
+struct mnt_idmap *mnt_idmap_get(struct mnt_idmap *idmap);
+void mnt_idmap_put(struct mnt_idmap *idmap);
+
vfsuid_t make_vfsuid(struct mnt_idmap *idmap,
struct user_namespace *fs_userns, kuid_t kuid);
--
2.34.1