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drbd: Restore the request restart logic

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It got lost with the commit 5a7bbad27a
"block: remove support for bio remapping from ->make_request"

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Philipp Reisner 2012-04-30 12:53:52 +02:00
parent 9476f39d66
commit f6d0a8dbfd
1 changed files with 4 additions and 3 deletions
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7
drivers/block/drbd/drbd_req.c
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@ -871,7 +871,7 @@ allocate_barrier:
if (is_susp(mdev->state)) {
/* If we got suspended, use the retry mechanism of
generic_make_request() to restart processing of this
drbd_make_request() to restart processing of this
bio. In the next call to drbd_make_request
we sleep in inc_ap_bio() */
ret = 1;
@ -1102,8 +1102,9 @@ void drbd_make_request(struct request_queue *q, struct bio *bio)
e_enr = (bio->bi_sector+(bio->bi_size>>9)-1) >> HT_SHIFT;
if (likely(s_enr == e_enr)) {
inc_ap_bio(mdev, 1);
drbd_make_request_common(mdev, bio, start_time);
do {
inc_ap_bio(mdev, 1);
} while (drbd_make_request_common(mdev, bio, start_time));
return;
}