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27 Jan 2021 23:12:45 -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@lists.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 Cc: axboe@kernel.dk, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, konrad.wilk@oracle.com, roger.pau@citrix.com, minchan@kernel.org, ngupta@vflare.org, sergey.senozhatsky.work@gmail.com, agk@redhat.com, snitzer@redhat.com, hch@lst.de, sagi@grimberg.me, chaitanya.kulkarni@wdc.com, martin.petersen@oracle.com, viro@zeniv.linux.org.uk, tytso@mit.edu, jaegeuk@kernel.org, ebiggers@kernel.org, djwong@kernel.org, shaggy@kernel.org, konishi.ryusuke@gmail.com, mark@fasheh.com, jlbec@evilplan.org, joseph.qi@linux.alibaba.com, damien.lemoal@wdc.com, naohiro.aota@wdc.com, jth@kernel.org, rjw@rjwysocki.net, len.brown@intel.com, pavel@ucw.cz, akpm@linux-foundation.org, hare@suse.de, gustavoars@kernel.org, tiwai@suse.de, alex.shi@linux.alibaba.com, asml.silence@gmail.com, ming.lei@redhat.com, tj@kernel.org, osandov@fb.com, bvanassche@acm.org, jefflexu@linux.alibaba.com Subject: [RFC PATCH 07/34] dm: use bio_new in dm-log-writes Date: Wed, 27 Jan 2021 23:11:06 -0800 Message-Id: <20210128071133.60335-8-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1 In-Reply-To: <20210128071133.60335-1-chaitanya.kulkarni@wdc.com> References: <20210128071133.60335-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: target-devel@vger.kernel.org Signed-off-by: Chaitanya Kulkarni --- drivers/md/dm-log-writes.c | 30 ++++++++++-------------------- 1 file changed, 10 insertions(+), 20 deletions(-) diff --git a/drivers/md/dm-log-writes.c b/drivers/md/dm-log-writes.c index e3d35c6c9f71..7ca9af407647 100644 --- a/drivers/md/dm-log-writes.c +++ b/drivers/md/dm-log-writes.c @@ -217,18 +217,15 @@ static int write_metadata(struct log_writes_c *lc, void *entry, void *ptr; size_t ret; - bio = bio_alloc(GFP_KERNEL, 1); + bio = bio_new(lc->logdev->bdev, sector, REQ_OP_WRITE, 0, 1, GFP_KERNEL); if (!bio) { DMERR("Couldn't alloc log bio"); goto error; } bio->bi_iter.bi_size = 0; - bio->bi_iter.bi_sector = sector; - bio_set_dev(bio, lc->logdev->bdev); bio->bi_end_io = (sector == WRITE_LOG_SUPER_SECTOR) ? log_end_super : log_end_io; bio->bi_private = lc; - bio_set_op_attrs(bio, REQ_OP_WRITE, 0); page = alloc_page(GFP_KERNEL); if (!page) { @@ -264,7 +261,7 @@ static int write_inline_data(struct log_writes_c *lc, void *entry, size_t entrylen, void *data, size_t datalen, sector_t sector) { - int num_pages, bio_pages, pg_datalen, pg_sectorlen, i; + int num_pages, pg_datalen, pg_sectorlen, i; struct page *page; struct bio *bio; size_t ret; @@ -272,24 +269,21 @@ static int write_inline_data(struct log_writes_c *lc, void *entry, while (datalen) { num_pages = ALIGN(datalen, PAGE_SIZE) >> PAGE_SHIFT; - bio_pages = min(num_pages, BIO_MAX_PAGES); atomic_inc(&lc->io_blocks); - bio = bio_alloc(GFP_KERNEL, bio_pages); + bio = bio_new(lc->logdev->bdev, sector, REQ_OP_WRITE, 0, + num_pages, GFP_KERNEL); if (!bio) { DMERR("Couldn't alloc inline data bio"); goto error; } bio->bi_iter.bi_size = 0; - bio->bi_iter.bi_sector = sector; - bio_set_dev(bio, lc->logdev->bdev); bio->bi_end_io = log_end_io; bio->bi_private = lc; - bio_set_op_attrs(bio, REQ_OP_WRITE, 0); - for (i = 0; i < bio_pages; i++) { + for (i = 0; i < bio->bi_max_vecs; i++) { pg_datalen = min_t(int, datalen, PAGE_SIZE); pg_sectorlen = ALIGN(pg_datalen, lc->sectorsize); @@ -317,7 +311,7 @@ static int write_inline_data(struct log_writes_c *lc, void *entry, } submit_bio(bio); - sector += bio_pages * PAGE_SECTORS; + sector += bio->bi_max_vecs * PAGE_SECTORS; } return 0; error_bio: @@ -364,17 +358,15 @@ static int log_one_block(struct log_writes_c *lc, goto out; atomic_inc(&lc->io_blocks); - bio = bio_alloc(GFP_KERNEL, min(block->vec_cnt, BIO_MAX_PAGES)); + bio = bio_new(lc->logdev->bdev, sector, REQ_OP_WRITE, 0, + block->vec_cnt, GFP_KERNEL); if (!bio) { DMERR("Couldn't alloc log bio"); goto error; } bio->bi_iter.bi_size = 0; - bio->bi_iter.bi_sector = sector; - bio_set_dev(bio, lc->logdev->bdev); bio->bi_end_io = log_end_io; bio->bi_private = lc; - bio_set_op_attrs(bio, REQ_OP_WRITE, 0); for (i = 0; i < block->vec_cnt; i++) { /* @@ -386,17 +378,15 @@ static int log_one_block(struct log_writes_c *lc, if (ret != block->vecs[i].bv_len) { atomic_inc(&lc->io_blocks); submit_bio(bio); - bio = bio_alloc(GFP_KERNEL, min(block->vec_cnt - i, BIO_MAX_PAGES)); + bio = bio_new(lc->logdev->bdev, sector, REQ_OP_WRITE, + 0, block->vec_cnt - i, GFP_KERNEL); if (!bio) { DMERR("Couldn't alloc log bio"); goto error; } bio->bi_iter.bi_size = 0; - bio->bi_iter.bi_sector = sector; - bio_set_dev(bio, lc->logdev->bdev); bio->bi_end_io = log_end_io; bio->bi_private = lc; - bio_set_op_attrs(bio, REQ_OP_WRITE, 0); ret = bio_add_page(bio, block->vecs[i].bv_page, block->vecs[i].bv_len, 0);