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19 May 2021 21:00:55 -0700 IronPort-SDR: J/48wiKhHEXS5SbzrB86Ab9A0rGE/5PNyqwr9Kj+Ra6ZBE7KWJmVhqAati3UyEL4cZQYdumb5c xO1BgASlgG89rXBU01EAiuIZc4cm4I6vAZ63H5dzpZjU8cpQVIsaNJTQkT0PY7RcEtiJfySMo9 6UwCfUdDiOMGpgVtJy74bqieMbYN05GgcGptHNQXvpa2pJ8VpJHZMBVlZyJGZNIBMp/E8ui49u f0LhLIOqRKRQohOdwylH78Jp1etczoUz+BVjXfQ7/d+viOLe+ETTf2l/mX0IbYWTAjLxeckIq2 Fxk= WDCIronportException: Internal Received: from washi.fujisawa.hgst.com ([10.149.53.254]) by uls-op-cesaip02.wdc.com with ESMTP; 19 May 2021 21:22:31 -0700 From: Damien Le Moal To: dm-devel@redhat.com, Mike Snitzer , linux-block@vger.kernel.org, Jens Axboe Date: Thu, 20 May 2021 13:22:19 +0900 Message-Id: <20210520042228.974083-3-damien.lemoal@wdc.com> In-Reply-To: <20210520042228.974083-1-damien.lemoal@wdc.com> References: <20210520042228.974083-1-damien.lemoal@wdc.com> MIME-Version: 1.0 X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-loop: dm-devel@redhat.com Subject: [dm-devel] [PATCH v2 02/11] block: introduce bio zone helpers 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 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Introduce the helper functions bio_zone_no() and bio_zone_is_seq(). Both are the BIO counterparts of the request helpers blk_rq_zone_no() and blk_rq_zone_is_seq(), respectively returning the number of the target zone of a bio and true if the BIO target zone is sequential. Signed-off-by: Damien Le Moal Reviewed-by: Hannes Reinecke --- include/linux/blkdev.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index f69c75bd6d27..2db0f376f5d9 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1008,6 +1008,18 @@ static inline unsigned int blk_rq_stats_sectors(const struct request *rq) /* Helper to convert BLK_ZONE_ZONE_XXX to its string format XXX */ const char *blk_zone_cond_str(enum blk_zone_cond zone_cond); +static inline unsigned int bio_zone_no(struct bio *bio) +{ + return blk_queue_zone_no(bdev_get_queue(bio->bi_bdev), + bio->bi_iter.bi_sector); +} + +static inline unsigned int bio_zone_is_seq(struct bio *bio) +{ + return blk_queue_zone_is_seq(bdev_get_queue(bio->bi_bdev), + bio->bi_iter.bi_sector); +} + static inline unsigned int blk_rq_zone_no(struct request *rq) { return blk_queue_zone_no(rq->q, blk_rq_pos(rq));