From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shaohua Li Subject: [PATCH 3/5] md/raid5: change disk limits Date: Tue, 7 Feb 2017 08:56:00 -0800 Message-ID: <85dbaec7da65adb759784f10f15b54cd0c00f3c1.1486485935.git.shli@fb.com> References: Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org Cc: khlebnikov@yandex-team.ru, hch@lst.de, neilb@suse.com List-Id: linux-raid.ids Now we are using atomic_t to track stripes for a bio, the original limit (because of 16-bits data for the tracking) doesn't apply any more. Signed-off-by: Shaohua Li --- drivers/md/raid5.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index fd3e5ce..467ad4f 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -7255,13 +7255,8 @@ static int raid5_run(struct mddev *mddev) 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); + blk_queue_max_hw_sectors(mddev->queue, BLK_DEF_MAX_SECTORS); + blk_queue_max_discard_sectors(mddev->queue, UINT_MAX); /* * unaligned part of discard request will be ignored, so can't -- 2.9.3