rbd: stop tracking header object version

[~andy/linux] / drivers / block / rbd.c

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 4be3b2a1be8e97216d22359b9a0f41f99082b699..8875bebbacfca13e46536c31c8c961da74ec19c7 100644 (file)
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -110,8 +110,6 @@ struct rbd_image_header {
 
        u64 stripe_unit;
        u64 stripe_count;
-
-       u64 obj_version;
 };
 
 /*
@@ -2554,8 +2552,7 @@ static int rbd_dev_header_watch_sync(struct rbd_device *rbd_dev, int start)
                                        rbd_dev->watch_request->osd_req);
 
        osd_req_op_watch_init(obj_request->osd_req, 0, CEPH_OSD_OP_WATCH,
-                               rbd_dev->watch_event->cookie,
-                               rbd_dev->header.obj_version, start);
+                               rbd_dev->watch_event->cookie, 0, start);
        rbd_osd_req_format_write(obj_request);
 
        ret = rbd_obj_request_submit(osdc, obj_request);
@@ -2987,8 +2984,6 @@ static int rbd_read_header(struct rbd_device *rbd_dev,
        if (IS_ERR(ondisk))
                return PTR_ERR(ondisk);
        ret = rbd_header_from_disk(header, ondisk);
-       if (ret >= 0)
-               header->obj_version = ver;
        kfree(ondisk);
 
        return ret;
@@ -3044,9 +3039,6 @@ static int rbd_dev_v1_refresh(struct rbd_device *rbd_dev, u64 *hver)
        /* osd requests may still refer to snapc */
        ceph_put_snap_context(rbd_dev->header.snapc);
 
-       if (hver)
-               *hver = h.obj_version;
-       rbd_dev->header.obj_version = h.obj_version;
        rbd_dev->header.image_size = h.image_size;
        rbd_dev->header.snapc = h.snapc;
        rbd_dev->header.snap_names = h.snap_names;
@@ -4656,7 +4648,6 @@ static int rbd_dev_v2_probe(struct rbd_device *rbd_dev)
        ret = rbd_dev_v2_snap_context(rbd_dev, &ver);
        if (ret)
                goto out_err;
-       rbd_dev->header.obj_version = ver;
 
        dout("discovered version 2 image, header name is %s\n",
                rbd_dev->header_name);