rbd: kill rbd_req_sync_op() snapc and snapid parameters

The snapc and snapid parameters to rbd_req_sync_op() always take
the values NULL and CEPH_NOSNAP, respectively.  So just get rid
of them and use those values where needed.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 5d48bcd..85c5852 100644 (file)
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -1257,8 +1257,6 @@ static void rbd_simple_req_cb(struct ceph_osd_request *osd_req,
  * Do a synchronous ceph osd operation
  */
 static int rbd_req_sync_op(struct rbd_device *rbd_dev,
-                          struct ceph_snap_context *snapc,
-                          u64 snapid,
                           int flags,
                           struct ceph_osd_req_op *ops,
                           const char *object_name,
@@ -1278,7 +1276,7 @@ static int rbd_req_sync_op(struct rbd_device *rbd_dev,
        if (IS_ERR(pages))
                return PTR_ERR(pages);
 
-       ret = rbd_do_request(NULL, rbd_dev, snapc, snapid,
+       ret = rbd_do_request(NULL, rbd_dev, NULL, CEPH_NOSNAP,
                          object_name, ofs, inbound_size, NULL,
                          pages, num_pages,
                          flags,
@@ -1380,9 +1378,7 @@ static int rbd_req_sync_read(struct rbd_device *rbd_dev,
        if (!ops)
                return -ENOMEM;
 
-       ret = rbd_req_sync_op(rbd_dev, NULL,
-                              CEPH_NOSNAP,
-                              CEPH_OSD_FLAG_READ,
+       ret = rbd_req_sync_op(rbd_dev, CEPH_OSD_FLAG_READ,
                               ops, object_name, ofs, len, buf, NULL, ver);
        rbd_destroy_ops(ops);
 
@@ -1461,8 +1457,7 @@ static int rbd_req_sync_watch(struct rbd_device *rbd_dev)
        ops[0].watch.cookie = cpu_to_le64(rbd_dev->watch_event->cookie);
        ops[0].watch.flag = 1;
 
-       ret = rbd_req_sync_op(rbd_dev, NULL,
-                             CEPH_NOSNAP,
+       ret = rbd_req_sync_op(rbd_dev,
                              CEPH_OSD_FLAG_WRITE | CEPH_OSD_FLAG_ONDISK,
                              ops,
                              rbd_dev->header_name,
@@ -1499,8 +1494,7 @@ static int rbd_req_sync_unwatch(struct rbd_device *rbd_dev)
        ops[0].watch.cookie = cpu_to_le64(rbd_dev->watch_event->cookie);
        ops[0].watch.flag = 0;
 
-       ret = rbd_req_sync_op(rbd_dev, NULL,
-                             CEPH_NOSNAP,
+       ret = rbd_req_sync_op(rbd_dev,
                              CEPH_OSD_FLAG_WRITE | CEPH_OSD_FLAG_ONDISK,
                              ops,
                              rbd_dev->header_name,
@@ -1553,8 +1547,7 @@ static int rbd_req_sync_exec(struct rbd_device *rbd_dev,
        ops[0].cls.indata = outbound;
        ops[0].cls.indata_len = outbound_size;
 
-       ret = rbd_req_sync_op(rbd_dev, NULL,
-                              CEPH_NOSNAP, CEPH_OSD_FLAG_READ, ops,
+       ret = rbd_req_sync_op(rbd_dev, CEPH_OSD_FLAG_READ, ops,
                               object_name, 0, inbound_size, inbound,
                               NULL, ver);