From mboxrd@z Thu Jan 1 00:00:00 1970 From: NeilBrown Subject: [md PATCH 07/14] Revert "md/raid5: limit request size according to implementation limits" Date: Thu, 16 Feb 2017 15:39:02 +1100 Message-ID: <148721994223.7521.17775131179521649771.stgit@noble> References: <148721992248.7521.17160361058957519076.stgit@noble> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <148721992248.7521.17160361058957519076.stgit@noble> Sender: linux-raid-owner@vger.kernel.org To: Shaohua Li Cc: linux-raid@vger.kernel.org, hch@lst.de List-Id: linux-raid.ids 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 --- drivers/md/raid5.c | 9 --------- 1 file changed, 9 deletions(-) diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index f93e8fddbb23..c96fca2c6a98 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -7100,15 +7100,6 @@ 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