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27 Jan 2021 22:58:14 -0800 IronPort-SDR: MJghY7CI3VIGR5/IaW1FKfL3TP8YTcGZMlKgwb78Me3B/B/3apRuuzh9zoIBvsafPZo8P1zI7O tvlMLEPWxNEsao+d+OWmeAfzkHQtyrR4CezWVDYJlrvLmf+2864qvNG9WiZqHSu38lUOwqOgWr BwUEJ5wQyzZ3OCyeIORv7uUc6VzLa9ZZ6RiC/IlKAQuXNbiGRl7btRhvnWciISjEw6c6WHvSr7 U7MWRK7LEz7DNkLYA3LIdhi5N4PJW+ftjhgTNZ5eyVeVGIhgT6If8NwOmXnpUTI7IymY6dp08v 5GE= WDCIronportException: Internal Received: from vm.labspan.wdc.com (HELO vm.sc.wdc.com) ([10.6.137.102]) by uls-op-cesaip02.wdc.com with ESMTP; 27 Jan 2021 23:15:56 -0800 From: Chaitanya Kulkarni To: linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, dm-devel@redhat.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, drbd-dev@tron.linbit.com, xen-devel@lists.xenproject.org, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, linux-fscrypt@vger.kernel.org, jfs-discussion@lists.sourceforge.net, linux-nilfs@vger.kernel.org, ocfs2-devel@oss.oracle.com, linux-pm@vger.kernel.org, linux-mm@kvack.org Date: Wed, 27 Jan 2021 23:11:30 -0800 Message-Id: <20210128071133.60335-32-chaitanya.kulkarni@wdc.com> In-Reply-To: <20210128071133.60335-1-chaitanya.kulkarni@wdc.com> References: <20210128071133.60335-1-chaitanya.kulkarni@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 X-Mailman-Approved-At: Thu, 28 Jan 2021 03:38:55 -0500 Cc: shaggy@kernel.org, sergey.senozhatsky.work@gmail.com, snitzer@redhat.com, tiwai@suse.de, djwong@kernel.org, gustavoars@kernel.org, joseph.qi@linux.alibaba.com, pavel@ucw.cz, alex.shi@linux.alibaba.com, hch@lst.de, agk@redhat.com, naohiro.aota@wdc.com, sagi@grimberg.me, mark@fasheh.com, osandov@fb.com, ebiggers@kernel.org, ngupta@vflare.org, len.brown@intel.com, chaitanya.kulkarni@wdc.com, konrad.wilk@oracle.com, ming.lei@redhat.com, viro@zeniv.linux.org.uk, jefflexu@linux.alibaba.com, jaegeuk@kernel.org, konishi.ryusuke@gmail.com, bvanassche@acm.org, axboe@kernel.dk, damien.lemoal@wdc.com, tytso@mit.edu, akpm@linux-foundation.org, martin.petersen@oracle.com, rjw@rjwysocki.net, philipp.reisner@linbit.com, minchan@kernel.org, tj@kernel.org, lars.ellenberg@linbit.com, jth@kernel.org, asml.silence@gmail.com, jlbec@evilplan.org, roger.pau@citrix.com Subject: [dm-devel] [RFC PATCH 31/34] iomap: use bio_new in iomap_readpage_actor 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 10.5.11.11 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 Signed-off-by: Chaitanya Kulkarni --- fs/iomap/buffered-io.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index 16a1e82e3aeb..08d119b62cf5 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -241,6 +241,9 @@ iomap_readpage_actor(struct inode *inode, loff_t pos, loff_t length, void *data, struct page *page = ctx->cur_page; struct iomap_page *iop = iomap_page_create(inode, page); bool same_page = false, is_contig = false; + struct block_device *bdev = iomap->bdev; + unsigned opf = ctx->rac ? REQ_RAHEAD : 0; + unsigned op = REQ_OP_READ; loff_t orig_pos = pos; unsigned poff, plen; sector_t sector; @@ -285,19 +288,14 @@ iomap_readpage_actor(struct inode *inode, loff_t pos, loff_t length, void *data, if (ctx->rac) /* same as readahead_gfp_mask */ gfp |= __GFP_NORETRY | __GFP_NOWARN; - ctx->bio = bio_alloc(gfp, min(BIO_MAX_PAGES, nr_vecs)); + ctx->bio = bio_new(bdev, sector, op, opf, gfp, nr_vecs); /* * If the bio_alloc fails, try it again for a single page to * avoid having to deal with partial page reads. This emulates * what do_mpage_readpage does. */ if (!ctx->bio) - ctx->bio = bio_alloc(orig_gfp, 1); - ctx->bio->bi_opf = REQ_OP_READ; - if (ctx->rac) - ctx->bio->bi_opf |= REQ_RAHEAD; - ctx->bio->bi_iter.bi_sector = sector; - bio_set_dev(ctx->bio, iomap->bdev); + ctx->bio = bio_new(bdev, sector, op, opf, orig_gfp, 1); ctx->bio->bi_end_io = iomap_read_end_io; }