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Commit 97d53438 authored by NeilBrown's avatar NeilBrown Committed by Shaohua Li
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Revert "md/raid5: limit request size according to implementation limits" 



This reverts commit e8d7c332.

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

Signed-off-by: default avatarNeilBrown <neilb@suse.com>
Signed-off-by: default avatarShaohua Li <shli@fb.com>
parent 0472a42b

drivers/md/raid5.c

+0 −9
Original line number Diff line number Diff line
@@ -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