[PATCH v4 04/14] ceph: allow idmapped mknod inode op

[Alexander Mikhalitsyn <aleksandr.mikhalitsyn@xxxxxxxxxxxxx>]

From: Christian Brauner <christian.brauner@xxxxxxxxxx>

Enable ceph_mknod() to handle idmapped mounts. This is just a matter of
passing down the mount's idmapping.

Cc: Xiubo Li <xiubli@xxxxxxxxxx>
Cc: Jeff Layton <jlayton@xxxxxxxxxx>
Cc: Ilya Dryomov <idryomov@xxxxxxxxx>
Cc: ceph-devel@xxxxxxxxxxxxxxx
Signed-off-by: Christian Brauner <christian.brauner@xxxxxxxxxx>
Signed-off-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@xxxxxxxxxxxxx>
---
v4:
	- call mnt_idmap_get
---
 fs/ceph/dir.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index cb67ac821f0e..aaae586de4de 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -884,6 +884,7 @@ static int ceph_mknod(struct mnt_idmap *idmap, struct inode *dir,
 	req->r_parent = dir;
 	ihold(dir);
 	set_bit(CEPH_MDS_R_PARENT_LOCKED, &req->r_req_flags);
+	req->r_mnt_idmap = mnt_idmap_get(idmap);
 	req->r_args.mknod.mode = cpu_to_le32(mode);
 	req->r_args.mknod.rdev = cpu_to_le32(rdev);
 	req->r_dentry_drop = CEPH_CAP_FILE_SHARED | CEPH_CAP_AUTH_EXCL;
-- 
2.34.1