From: Alex Elder Date: Sat, 27 Apr 2013 14:59:31 +0000 (-0500) Subject: rbd: don't bother checking whether order changes X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=96f03e08f9f27cf72d2c24b4e75ade81d2df3c75;p=deliverable%2Flinux.git rbd: don't bother checking whether order changes When a format 2 image is refreshed, code is in place to verify that the object order never changes from what it was originally. This relies on the fact that the refresh will occur *after* an initial load of information about the image. An upcoming patch makes it possible for the refresh to occur first, so we can no longer make this order check. The order really can't ever change anyway--this was just a sanity check. So get rid of it. Signed-off-by: Alex Elder Reviewed-by: Josh Durgin --- diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 738263f354f6..52c722b471e4 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -4024,20 +4024,12 @@ static char *rbd_dev_snap_info(struct rbd_device *rbd_dev, u32 which, static int rbd_dev_v2_refresh(struct rbd_device *rbd_dev, u64 *hver) { int ret; - __u8 obj_order; down_write(&rbd_dev->header_rwsem); - /* Grab old order first, to see if it changes */ - - obj_order = rbd_dev->header.obj_order, ret = rbd_dev_v2_image_size(rbd_dev); if (ret) goto out; - if (rbd_dev->header.obj_order != obj_order) { - ret = -EIO; - goto out; - } rbd_update_mapping_size(rbd_dev); ret = rbd_dev_v2_snap_context(rbd_dev, hver);