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18 May 2021 19:33:58 -0700 IronPort-SDR: samlL5UFxB1RcbGFoHukxr1J1+J64hnoMxpDfysdEf4DYBQAlWb2iVCqRdgktdcxOP4Wj1kro1 EunAY8LYZpf1jez9tTBI1iyVbgnfmQNhvFBQWabQOGN63UIKOG18xY6TqeMJenkcw/IUPbO6CL 3oO5agsPu2faI8erRG8clFmNEVdDGjyY0TQoRIfoJd1IOeWHgfYIMsaYNrvxP9aWwjkypdVz0d sAbzo1lbUX5Fi1j88DzsazrDZfA9u7DpcrNUoc6Uv63/obKlKjbkcuVt2v2IpfBaG9uXN59wn0 sbs= WDCIronportException: Internal Received: from washi.fujisawa.hgst.com ([10.149.53.254]) by uls-op-cesaip02.wdc.com with ESMTP; 18 May 2021 19:55:32 -0700 From: Damien Le Moal To: dm-devel@redhat.com, Mike Snitzer , linux-block@vger.kernel.org, Jens Axboe Date: Wed, 19 May 2021 11:55:20 +0900 Message-Id: <20210519025529.707897-3-damien.lemoal@wdc.com> In-Reply-To: <20210519025529.707897-1-damien.lemoal@wdc.com> References: <20210519025529.707897-1-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 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 --- include/linux/blkdev.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index f69c75bd6d27..e74ad1252e78 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 request_queue *q, + struct bio *bio) +{ + return blk_queue_zone_no(q, bio->bi_iter.bi_sector); +} + +static inline unsigned int bio_zone_is_seq(struct request_queue *q, + struct bio *bio) +{ + return blk_queue_zone_is_seq(q, 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));