[md PATCH 07/15] Revert "md/raid5: limit request size according to implementation limits"

NeilBrown
2017-03-15T03:05:13Z

This reverts commit e8d7c33232e5fdfa761c3416539bc5b4acd12db5.

Now that raid5 doesn't abuse bi_phys_segments any more, we no longer
need to impose these limits.

Signed-off-by: NeilBrown <neilb@suse.com>
---
drivers/md/raid5.c | 9 ---------
1 file changed, 9 deletions(-)

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index c3a8838e4b17..4e906e5903e8 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -7357,15 +7357,6 @@ static int raid5_run(struct mddev *mddev)
stripe = (stripe | (stripe-1)) + 1;
mddev->queue->limits.discard_alignment = stripe;
mddev->queue->limits.discard_granularity = stripe;
-
- /*
- * We use 16-bit counter of active stripes in bi_phys_segments
- * (minus one for over-loaded initialization)
- */
- blk_queue_max_hw_sectors(mddev->queue, 0xfffe * STRIPE_SECTORS);
- blk_queue_max_discard_sectors(mddev->queue,
- 0xfffe * STRIPE_SECTORS);
-
/*
* unaligned part of discard request will be ignored, so can't
* guarantee discard_zeroes_data