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Thu, 13 Feb 2020 07:39:49 +0000 (UTC) Received: from relay.sw.ru (relay.sw.ru [185.231.240.75]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-260-kv46uviiPgmOmRHDyDLItw-1; Thu, 13 Feb 2020 02:39:47 -0500 Received: from [192.168.15.156] (helo=localhost.localdomain) by relay.sw.ru with esmtp (Exim 4.92.3) (envelope-from ) id 1j295u-0001Tm-IL; Thu, 13 Feb 2020 10:39:30 +0300 From: Kirill Tkhai To: martin.petersen@oracle.com, bob.liu@oracle.com, axboe@kernel.dk, darrick.wong@oracle.com Date: Thu, 13 Feb 2020 10:39:30 +0300 Message-ID: <158157957022.111879.2458344432302909777.stgit@localhost.localdomain> In-Reply-To: <158157930219.111879.12072477040351921368.stgit@localhost.localdomain> References: <158157930219.111879.12072477040351921368.stgit@localhost.localdomain> User-Agent: StGit/0.19 MIME-Version: 1.0 X-MC-Unique: kv46uviiPgmOmRHDyDLItw-1 X-MC-Unique: R5e9EUw8NGq8cuQGyRdzbQ-1 X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-MIME-Autoconverted: from quoted-printable to 8bit by lists01.pubmisc.prod.ext.phx2.redhat.com id 01D7dpRb017079 X-loop: dm-devel@redhat.com X-Mailman-Approved-At: Thu, 20 Feb 2020 04:05:51 -0500 Cc: andrea.parri@amarulasolutions.com, snitzer@redhat.com, dhowells@redhat.com, song@kernel.org, dm-devel@redhat.com, adilger.kernel@dilger.ca, osandov@fb.com, agk@redhat.com, hare@suse.com, bvanassche@acm.org, minwoo.im.dev@gmail.com, jthumshirn@suse.de, ajay.joshi@wdc.com, chaitanya.kulkarni@wdc.com, ming.lei@redhat.com, linux-block@vger.kernel.org, ktkhai@virtuozzo.com, dsterba@suse.com, sagi@grimberg.me, damien.lemoal@wdc.com, tytso@mit.edu, linux-kernel@vger.kernel.org, tj@kernel.org, asml.silence@gmail.com Subject: [dm-devel] [PATCH v7 5/6] block: Add blk_queue_max_allocate_sectors() X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com This is a new helper to assign max_allocate_sectors limit of block device queue. Signed-off-by: Kirill Tkhai Reviewed-by: Bob Liu --- block/blk-settings.c | 13 +++++++++++++ include/linux/blkdev.h | 2 ++ 2 files changed, 15 insertions(+) -- dm-devel mailing list dm-devel@redhat.com https://www.redhat.com/mailman/listinfo/dm-devel diff --git a/block/blk-settings.c b/block/blk-settings.c index 8d5df9d37239..24cf8fbbd125 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -259,6 +259,19 @@ void blk_queue_max_write_zeroes_sectors(struct request_queue *q, } EXPORT_SYMBOL(blk_queue_max_write_zeroes_sectors); +/** + * blk_queue_max_allocate_sectors - set max sectors for a single + * allocate request + * @q: the request queue for the device + * @max_allocate_sectors: maximum number of sectors to write per command + **/ +void blk_queue_max_allocate_sectors(struct request_queue *q, + unsigned int max_allocate_sectors) +{ + q->limits.max_allocate_sectors = max_allocate_sectors; +} +EXPORT_SYMBOL(blk_queue_max_allocate_sectors); + /** * blk_queue_max_segments - set max hw segments for a request for this queue * @q: the request queue for the device diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 40707f980a2e..f5edbfea7b84 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1088,6 +1088,8 @@ extern void blk_queue_max_write_same_sectors(struct request_queue *q, unsigned int max_write_same_sectors); extern void blk_queue_max_write_zeroes_sectors(struct request_queue *q, unsigned int max_write_same_sectors); +extern void blk_queue_max_allocate_sectors(struct request_queue *q, + unsigned int max_allocate_sectors); extern void blk_queue_logical_block_size(struct request_queue *, unsigned int); extern void blk_queue_physical_block_size(struct request_queue *, unsigned int); extern void blk_queue_alignment_offset(struct request_queue *q,