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drbd: resync: fix too large bursts for very slow rates

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While merging adjacent dirty blocks into resync requests,
the resync rate throttle was disregarded.
For very low resync rates, the effective rate may have exceeded
the intended rate by a larger margin.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Lars Ellenberg 2014-04-28 18:43:17 +02:00 • committed by Jens Axboe
parent 9ae472605a
commit 6377b92350
1 changed files with 1 additions and 1 deletions

2
drivers/block/drbd/drbd_worker.c
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@ -647,7 +647,7 @@ static int make_resync_request(struct drbd_device *device, int cancel)
*/
align = 1;
rollback_i = i;
for (;;) {
while (i < number) {
if (size + BM_BLOCK_SIZE > max_bio_size)
break;