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Revert "md/raid5: limit request size according to implementation limits"

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This reverts commit e8d7c33232.

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>
Signed-off-by: Shaohua Li <shli@fb.com>
This commit is contained in:
NeilBrown 2017-03-15 14:05:13 +11:00 committed by Shaohua Li
parent 0472a42ba1
commit 97d5343808
1 changed files with 0 additions and 9 deletions
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9
drivers/md/raid5.c
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@ -7361,15 +7361,6 @@ 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