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authorKevin Wolf <kwolf@redhat.com>2013-12-03 15:31:25 +0100
committerKevin Wolf <kwolf@redhat.com>2014-01-24 17:40:02 +0100
commit793ed47a7a2b09b67cb2a8863dff531436532b5c (patch)
tree3a5d1e5b7a0a0ef74e1b12af6f7c8eafe3d92579 /block
parent6601553e27091ffe240bea69227adce941fe12e8 (diff)
block: Switch BdrvTrackedRequest to byte granularity
Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Benoit Canet <benoit@irqsave.net>
Diffstat (limited to 'block')
-rw-r--r--block/backup.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/block/backup.c b/block/backup.c
index 0198514043..15a2e55e8e 100644
--- a/block/backup.c
+++ b/block/backup.c
@@ -181,8 +181,13 @@ static int coroutine_fn backup_before_write_notify(
void *opaque)
{
BdrvTrackedRequest *req = opaque;
+ int64_t sector_num = req->offset >> BDRV_SECTOR_BITS;
+ int nb_sectors = req->bytes >> BDRV_SECTOR_BITS;
- return backup_do_cow(req->bs, req->sector_num, req->nb_sectors, NULL);
+ assert((req->offset & (BDRV_SECTOR_SIZE - 1)) == 0);
+ assert((req->bytes & (BDRV_SECTOR_SIZE - 1)) == 0);
+
+ return backup_do_cow(req->bs, sector_num, nb_sectors, NULL);
}
static void backup_set_speed(BlockJob *job, int64_t speed, Error **errp)