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mirror: Use DIV_ROUND_UP 

Although bdrv_getlength() was just called above this, and checked for
error, it is better to just use the value we already get, and use
DIV_ROUND_UP.

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Fam Zheng 2014-04-28 10:59:28 +08:00 committed by Kevin Wolf
parent 7db1689c35
commit f0e9736012
1 changed files with 1 additions and 1 deletions
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block/mirror.c
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@ -329,7 +329,7 @@ static void coroutine_fn mirror_run(void *opaque)
return;
}
length = (bdrv_getlength(bs) + s->granularity - 1) / s->granularity;
length = DIV_ROUND_UP(s->common.len, s->granularity);
s->in_flight_bitmap = bitmap_new(length);
/* If we have no backing file yet in the destination, we cannot let