From patchwork Tue Jan 5 20:53:04 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Christie X-Patchwork-Id: 7962001 Return-Path: X-Original-To: patchwork-ocfs2-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id C29AFBEEE5 for ; Tue, 5 Jan 2016 20:58:27 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6A63C2013D for ; Tue, 5 Jan 2016 20:58:24 +0000 (UTC) Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DAE60200E9 for ; Tue, 5 Jan 2016 20:58:20 +0000 (UTC) Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u05Kund8027876 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Tue, 5 Jan 2016 20:56:49 GMT Received: from oss.oracle.com (oss-old-reserved.oracle.com [137.254.22.2]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u05KukuV024144 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 5 Jan 2016 20:56:46 GMT Received: from localhost ([127.0.0.1] helo=lb-oss.oracle.com) by oss.oracle.com with esmtp (Exim 4.63) (envelope-from ) id 1aGYes-0008F9-1B; Tue, 05 Jan 2016 12:56:46 -0800 Received: from userv0021.oracle.com ([156.151.31.71]) by oss.oracle.com with esmtp (Exim 4.63) (envelope-from ) id 1aGYc3-0007ed-Ph for ocfs2-devel@oss.oracle.com; Tue, 05 Jan 2016 12:53:52 -0800 Received: from aserp1020.oracle.com (aserp1020.oracle.com [141.146.126.67]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u05KrpAi015542 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL) for ; Tue, 5 Jan 2016 20:53:51 GMT Received: from userp2040.oracle.com (userp2040.oracle.com [156.151.31.90]) by aserp1020.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u05KrovK030996 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 5 Jan 2016 20:53:50 GMT Received: from pps.filterd (userp2040.oracle.com [127.0.0.1]) by userp2040.oracle.com (8.15.0.59/8.15.0.59) with SMTP id u05KnBW8043075 for ; Tue, 5 Jan 2016 20:53:50 GMT Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by userp2040.oracle.com with ESMTP id 206563tpkj-1 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 05 Jan 2016 20:53:50 +0000 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (Postfix) with ESMTPS id E4A9614A82; Tue, 5 Jan 2016 20:53:48 +0000 (UTC) Received: from rh2.redhat.com (vpn-63-72.rdu2.redhat.com [10.10.63.72]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u05Krfu0024032; Tue, 5 Jan 2016 15:53:46 -0500 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Date: Tue, 5 Jan 2016 14:53:04 -0600 Message-Id: <1452027218-32303-2-git-send-email-mchristi@redhat.com> In-Reply-To: <1452027218-32303-1-git-send-email-mchristi@redhat.com> References: <1452027218-32303-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Proofpoint-SPF-Result: pass X-Proofpoint-SPF-Record: v=spf1 include:u1969764.wl.sendgrid.net include:_spf1.redhat.com include:_spf2.redhat.com -all X-ServerName: mx1.redhat.com X-Proofpoint-Virus-Version: vendor=nai engine=5700 definitions=8035 signatures=670676 X-Proofpoint-Spam-Details: rule=safe policy=default score=0 classifier= adjust=0 reason=safe scancount=1 engine=8.0.1-1507310008 definitions=main-1601050346 X-Mailman-Approved-At: Tue, 05 Jan 2016 12:56:44 -0800 Cc: Mike Christie Subject: [Ocfs2-devel] [PATCH 01/35] block/fs/drivers: remove rw argument from submit_bio X-BeenThere: ocfs2-devel@oss.oracle.com X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: ocfs2-devel-bounces@oss.oracle.com Errors-To: ocfs2-devel-bounces@oss.oracle.com X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Mike Christie This has callers of submit_bio/submit_bio_wait set the bio->bi_rw instead of passing it in. This makes that use the same as generic_make_request and how we set the other bio fields. Signed-off-by: Mike Christie Reviewed-by: Bart Van Assche --- block/bio.c | 7 +++---- block/blk-core.c | 11 ++++------- block/blk-flush.c | 3 ++- block/blk-lib.c | 9 ++++++--- drivers/block/drbd/drbd_actlog.c | 2 +- drivers/block/drbd/drbd_bitmap.c | 4 ++-- drivers/block/floppy.c | 3 ++- drivers/block/xen-blkback/blkback.c | 4 +++- drivers/block/xen-blkfront.c | 4 ++-- drivers/md/bcache/debug.c | 6 ++++-- drivers/md/bcache/journal.c | 2 +- drivers/md/bcache/super.c | 4 ++-- drivers/md/dm-bufio.c | 3 ++- drivers/md/dm-io.c | 3 ++- drivers/md/dm-log-writes.c | 9 ++++++--- drivers/md/dm-thin.c | 3 ++- drivers/md/md.c | 10 +++++++--- drivers/md/raid1.c | 3 ++- drivers/md/raid10.c | 4 +++- drivers/md/raid5-cache.c | 7 ++++--- drivers/target/target_core_iblock.c | 24 +++++++++++++----------- fs/btrfs/check-integrity.c | 18 ++++++++++-------- fs/btrfs/check-integrity.h | 4 ++-- fs/btrfs/disk-io.c | 3 ++- fs/btrfs/extent_io.c | 7 ++++--- fs/btrfs/raid56.c | 16 +++++++++++----- fs/btrfs/scrub.c | 16 +++++++++++----- fs/btrfs/volumes.c | 14 +++++++------- fs/buffer.c | 3 ++- fs/direct-io.c | 3 ++- fs/ext4/crypto.c | 3 ++- fs/ext4/page-io.c | 3 ++- fs/ext4/readpage.c | 9 +++++---- fs/f2fs/data.c | 13 ++++++++----- fs/f2fs/segment.c | 6 ++++-- fs/gfs2/lops.c | 3 ++- fs/gfs2/meta_io.c | 3 ++- fs/gfs2/ops_fstype.c | 3 ++- fs/hfsplus/wrapper.c | 3 ++- fs/jfs/jfs_logmgr.c | 6 ++++-- fs/jfs/jfs_metapage.c | 10 ++++++---- fs/logfs/dev_bdev.c | 15 ++++++++++----- fs/mpage.c | 3 ++- fs/nfs/blocklayout/blocklayout.c | 22 ++++++++++++---------- fs/nilfs2/segbuf.c | 3 ++- fs/ocfs2/cluster/heartbeat.c | 12 +++++++----- fs/xfs/xfs_aops.c | 3 ++- fs/xfs/xfs_buf.c | 4 ++-- include/linux/bio.h | 2 +- include/linux/fs.h | 2 +- kernel/power/swap.c | 5 +++-- mm/page_io.c | 10 ++++++---- 52 files changed, 211 insertions(+), 141 deletions(-) diff --git a/block/bio.c b/block/bio.c index dbabd48..921112b 100644 --- a/block/bio.c +++ b/block/bio.c @@ -859,21 +859,20 @@ static void submit_bio_wait_endio(struct bio *bio) /** * submit_bio_wait - submit a bio, and wait until it completes - * @rw: whether to %READ or %WRITE, or maybe to %READA (read ahead) * @bio: The &struct bio which describes the I/O * * Simple wrapper around submit_bio(). Returns 0 on success, or the error from * bio_endio() on failure. */ -int submit_bio_wait(int rw, struct bio *bio) +int submit_bio_wait(struct bio *bio) { struct submit_bio_ret ret; - rw |= REQ_SYNC; init_completion(&ret.event); bio->bi_private = &ret; bio->bi_end_io = submit_bio_wait_endio; - submit_bio(rw, bio); + bio->bi_rw |= REQ_SYNC; + submit_bio(bio); wait_for_completion(&ret.event); return ret.error; diff --git a/block/blk-core.c b/block/blk-core.c index ab51685..9b887e3 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -2092,7 +2092,6 @@ EXPORT_SYMBOL(generic_make_request); /** * submit_bio - submit a bio to the block device layer for I/O - * @rw: whether to %READ or %WRITE, or maybe to %READA (read ahead) * @bio: The &struct bio which describes the I/O * * submit_bio() is very similar in purpose to generic_make_request(), and @@ -2100,10 +2099,8 @@ EXPORT_SYMBOL(generic_make_request); * interfaces; @bio must be presetup and ready for I/O. * */ -blk_qc_t submit_bio(int rw, struct bio *bio) +blk_qc_t submit_bio(struct bio *bio) { - bio->bi_rw |= rw; - /* * If it's a regular read/write or a barrier with data attached, * go through the normal accounting stuff before submission. @@ -2111,12 +2108,12 @@ blk_qc_t submit_bio(int rw, struct bio *bio) if (bio_has_data(bio)) { unsigned int count; - if (unlikely(rw & REQ_WRITE_SAME)) + if (unlikely(bio->bi_rw & REQ_WRITE_SAME)) count = bdev_logical_block_size(bio->bi_bdev) >> 9; else count = bio_sectors(bio); - if (rw & WRITE) { + if (bio->bi_rw & WRITE) { count_vm_events(PGPGOUT, count); } else { task_io_account_read(bio->bi_iter.bi_size); @@ -2127,7 +2124,7 @@ blk_qc_t submit_bio(int rw, struct bio *bio) char b[BDEVNAME_SIZE]; printk(KERN_DEBUG "%s(%d): %s block %Lu on %s (%u sectors)\n", current->comm, task_pid_nr(current), - (rw & WRITE) ? "WRITE" : "READ", + (bio->bi_rw & WRITE) ? "WRITE" : "READ", (unsigned long long)bio->bi_iter.bi_sector, bdevname(bio->bi_bdev, b), count); diff --git a/block/blk-flush.c b/block/blk-flush.c index 9c423e5..e092e13 100644 --- a/block/blk-flush.c +++ b/block/blk-flush.c @@ -484,8 +484,9 @@ int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask, bio = bio_alloc(gfp_mask, 0); bio->bi_bdev = bdev; + bio->bi_rw |= WRITE_FLUSH; - ret = submit_bio_wait(WRITE_FLUSH, bio); + ret = submit_bio_wait(bio); /* * The driver must store the error location in ->bi_sector, if diff --git a/block/blk-lib.c b/block/blk-lib.c index 9ebf653..5292e30 100644 --- a/block/blk-lib.c +++ b/block/blk-lib.c @@ -102,13 +102,14 @@ int blkdev_issue_discard(struct block_device *bdev, sector_t sector, bio->bi_end_io = bio_batch_end_io; bio->bi_bdev = bdev; bio->bi_private = &bb; + bio->bi_rw |= type; bio->bi_iter.bi_size = req_sects << 9; nr_sects -= req_sects; sector = end_sect; atomic_inc(&bb.done); - submit_bio(type, bio); + submit_bio(bio); /* * We can loop for a long time in here, if someone does @@ -177,6 +178,7 @@ int blkdev_issue_write_same(struct block_device *bdev, sector_t sector, bio->bi_io_vec->bv_page = page; bio->bi_io_vec->bv_offset = 0; bio->bi_io_vec->bv_len = bdev_logical_block_size(bdev); + bio->bi_rw |= REQ_WRITE | REQ_WRITE_SAME; if (nr_sects > max_write_same_sectors) { bio->bi_iter.bi_size = max_write_same_sectors << 9; @@ -188,7 +190,7 @@ int blkdev_issue_write_same(struct block_device *bdev, sector_t sector, } atomic_inc(&bb.done); - submit_bio(REQ_WRITE | REQ_WRITE_SAME, bio); + submit_bio(bio); } /* Wait for bios in-flight */ @@ -238,6 +240,7 @@ static int __blkdev_issue_zeroout(struct block_device *bdev, sector_t sector, bio->bi_bdev = bdev; bio->bi_end_io = bio_batch_end_io; bio->bi_private = &bb; + bio->bi_rw |= WRITE; while (nr_sects != 0) { sz = min((sector_t) PAGE_SIZE >> 9 , nr_sects); @@ -249,7 +252,7 @@ static int __blkdev_issue_zeroout(struct block_device *bdev, sector_t sector, } ret = 0; atomic_inc(&bb.done); - submit_bio(WRITE, bio); + submit_bio(bio); } /* Wait for bios in-flight */ diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c index 10459a1..6069e15 100644 --- a/drivers/block/drbd/drbd_actlog.c +++ b/drivers/block/drbd/drbd_actlog.c @@ -177,7 +177,7 @@ static int _drbd_md_sync_page_io(struct drbd_device *device, if (drbd_insert_fault(device, (rw & WRITE) ? DRBD_FAULT_MD_WR : DRBD_FAULT_MD_RD)) bio_io_error(bio); else - submit_bio(rw, bio); + submit_bio(bio); wait_until_done_or_force_detached(device, bdev, &device->md_io.done); if (!bio->bi_error) err = device->md_io.error; diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c index 92d6fc0..ef44adb 100644 --- a/drivers/block/drbd/drbd_bitmap.c +++ b/drivers/block/drbd/drbd_bitmap.c @@ -1011,12 +1011,12 @@ static void bm_page_io_async(struct drbd_bm_aio_ctx *ctx, int page_nr) __must_ho bio_add_page(bio, page, len, 0); bio->bi_private = ctx; bio->bi_end_io = drbd_bm_endio; + bio->bi_rw |= rw; if (drbd_insert_fault(device, (rw & WRITE) ? DRBD_FAULT_MD_WR : DRBD_FAULT_MD_RD)) { - bio->bi_rw |= rw; bio_io_error(bio); } else { - submit_bio(rw, bio); + submit_bio(bio); /* this should not count as user activity and cause the * resync to throttle -- see drbd_rs_should_slow_down(). */ atomic_add(len >> 9, &device->rs_sect_ev); diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 9e25120..e4efcc5 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -3817,8 +3817,9 @@ static int __floppy_read_block_0(struct block_device *bdev, int drive) bio.bi_flags |= (1 << BIO_QUIET); bio.bi_private = &cbdata; bio.bi_end_io = floppy_rb0_cb; + bio.bi_rw |= READ; - submit_bio(READ, &bio); + submit_bio(&bio); process_fd_request(); init_completion(&cbdata.complete); diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index 41fb1a9..c7e89af 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -1348,6 +1348,7 @@ static int dispatch_rw_block_io(struct xen_blkif *blkif, bio->bi_private = pending_req; bio->bi_end_io = end_block_io_op; bio->bi_iter.bi_sector = preq.sector_number; + bio->bi_rw |= operation; } preq.sector_number += seg[i].nsec; @@ -1365,13 +1366,14 @@ static int dispatch_rw_block_io(struct xen_blkif *blkif, bio->bi_bdev = preq.bdev; bio->bi_private = pending_req; bio->bi_end_io = end_block_io_op; + bio->bi_rw |= operation; } atomic_set(&pending_req->pendcnt, nbio); blk_start_plug(&plug); for (i = 0; i < nbio; i++) - submit_bio(operation, biolist[i]); + submit_bio(biolist[i]); /* Let the I/Os go.. */ blk_finish_plug(&plug); diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 2fee2ee..81444fc 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -1749,7 +1749,7 @@ static int blkif_recover(struct blkfront_info *info) bio_trim(cloned_bio, offset, size); cloned_bio->bi_private = split_bio; cloned_bio->bi_end_io = split_bio_end; - submit_bio(cloned_bio->bi_rw, cloned_bio); + submit_bio(cloned_bio); } /* * Now we have to wait for all those smaller bios to @@ -1758,7 +1758,7 @@ static int blkif_recover(struct blkfront_info *info) continue; } /* We don't need to split this bio */ - submit_bio(bio->bi_rw, bio); + submit_bio(bio); } return 0; diff --git a/drivers/md/bcache/debug.c b/drivers/md/bcache/debug.c index 8b1f1d5..db68562 100644 --- a/drivers/md/bcache/debug.c +++ b/drivers/md/bcache/debug.c @@ -52,9 +52,10 @@ void bch_btree_verify(struct btree *b) bio->bi_bdev = PTR_CACHE(b->c, &b->key, 0)->bdev; bio->bi_iter.bi_sector = PTR_OFFSET(&b->key, 0); bio->bi_iter.bi_size = KEY_SIZE(&v->key) << 9; + bio->bi_rw |= REQ_META|READ_SYNC; bch_bio_map(bio, sorted); - submit_bio_wait(REQ_META|READ_SYNC, bio); + submit_bio_wait(bio); bch_bbio_free(bio, b->c); memcpy(ondisk, sorted, KEY_SIZE(&v->key) << 9); @@ -113,11 +114,12 @@ void bch_data_verify(struct cached_dev *dc, struct bio *bio) check = bio_clone(bio, GFP_NOIO); if (!check) return; + check->bi_rw |= READ_SYNC; if (bio_alloc_pages(check, GFP_NOIO)) goto out_put; - submit_bio_wait(READ_SYNC, check); + submit_bio_wait(check); bio_for_each_segment(bv, bio, iter) { void *p1 = kmap_atomic(bv.bv_page); diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c index 29eba72..af3f9f7 100644 --- a/drivers/md/bcache/journal.c +++ b/drivers/md/bcache/journal.c @@ -418,7 +418,7 @@ static void journal_discard_work(struct work_struct *work) struct journal_device *ja = container_of(work, struct journal_device, discard_work); - submit_bio(0, &ja->discard_bio); + submit_bio(&ja->discard_bio); } static void do_journal_discard(struct cache *ca) diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 8d0ead9..9e2eac8 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -212,7 +212,7 @@ static void __write_super(struct cache_sb *sb, struct bio *bio) unsigned i; bio->bi_iter.bi_sector = SB_SECTOR; - bio->bi_rw = REQ_SYNC|REQ_META; + bio->bi_rw = REQ_WRITE|REQ_SYNC|REQ_META; bio->bi_iter.bi_size = SB_SIZE; bch_bio_map(bio, NULL); @@ -238,7 +238,7 @@ static void __write_super(struct cache_sb *sb, struct bio *bio) pr_debug("ver %llu, flags %llu, seq %llu", sb->version, sb->flags, sb->seq); - submit_bio(REQ_WRITE, bio); + submit_bio(bio); } static void bch_write_bdev_super_unlock(struct closure *cl) diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index cd77216..1fd25bf 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -634,6 +634,7 @@ static void use_inline_bio(struct dm_buffer *b, int rw, sector_t block, * the dm_buffer's inline bio is local to bufio. */ b->bio.bi_private = end_io; + b->bio.bi_rw |= rw; /* * We assume that if len >= PAGE_SIZE ptr is page-aligned. @@ -660,7 +661,7 @@ static void use_inline_bio(struct dm_buffer *b, int rw, sector_t block, ptr += PAGE_SIZE; } while (len > 0); - submit_bio(rw, &b->bio); + submit_bio(&b->bio); } static void submit_io(struct dm_buffer *b, int rw, sector_t block, diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c index 06d426e..107d445 100644 --- a/drivers/md/dm-io.c +++ b/drivers/md/dm-io.c @@ -322,6 +322,7 @@ static void do_region(int rw, unsigned region, struct dm_io_region *where, bio->bi_iter.bi_sector = where->sector + (where->count - remaining); bio->bi_bdev = where->bdev; bio->bi_end_io = endio; + bio->bi_rw |= rw; store_io_and_region_in_bio(bio, io, region); if (rw & REQ_DISCARD) { @@ -355,7 +356,7 @@ static void do_region(int rw, unsigned region, struct dm_io_region *where, } atomic_inc(&io->count); - submit_bio(rw, bio); + submit_bio(bio); } while (remaining); } diff --git a/drivers/md/dm-log-writes.c b/drivers/md/dm-log-writes.c index 624589d..21760e3 100644 --- a/drivers/md/dm-log-writes.c +++ b/drivers/md/dm-log-writes.c @@ -205,6 +205,7 @@ static int write_metadata(struct log_writes_c *lc, void *entry, bio->bi_bdev = lc->logdev->bdev; bio->bi_end_io = log_end_io; bio->bi_private = lc; + bio->bi_rw |= WRITE; page = alloc_page(GFP_KERNEL); if (!page) { @@ -226,7 +227,7 @@ static int write_metadata(struct log_writes_c *lc, void *entry, DMERR("Couldn't add page to the log block"); goto error_bio; } - submit_bio(WRITE, bio); + submit_bio(bio); return 0; error_bio: bio_put(bio); @@ -269,6 +270,7 @@ static int log_one_block(struct log_writes_c *lc, bio->bi_bdev = lc->logdev->bdev; bio->bi_end_io = log_end_io; bio->bi_private = lc; + bio->bi_rw |= WRITE; for (i = 0; i < block->vec_cnt; i++) { /* @@ -279,7 +281,7 @@ static int log_one_block(struct log_writes_c *lc, block->vecs[i].bv_len, 0); if (ret != block->vecs[i].bv_len) { atomic_inc(&lc->io_blocks); - submit_bio(WRITE, bio); + submit_bio(bio); bio = bio_alloc(GFP_KERNEL, block->vec_cnt - i); if (!bio) { DMERR("Couldn't alloc log bio"); @@ -290,6 +292,7 @@ static int log_one_block(struct log_writes_c *lc, bio->bi_bdev = lc->logdev->bdev; bio->bi_end_io = log_end_io; bio->bi_private = lc; + bio->bi_rw |= WRITE; ret = bio_add_page(bio, block->vecs[i].bv_page, block->vecs[i].bv_len, 0); @@ -301,7 +304,7 @@ static int log_one_block(struct log_writes_c *lc, } sector += block->vecs[i].bv_len >> SECTOR_SHIFT; } - submit_bio(WRITE, bio); + submit_bio(bio); out: kfree(block->data); kfree(block); diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index a1cc797..8017667 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -365,8 +365,9 @@ static int __blkdev_issue_discard_async(struct block_device *bdev, sector_t sect bio->bi_iter.bi_sector = sector; bio->bi_bdev = bdev; bio->bi_iter.bi_size = nr_sects << 9; + bio->bi_rw |= type; - submit_bio(type, bio); + submit_bio(bio); return 0; } diff --git a/drivers/md/md.c b/drivers/md/md.c index 4424d0e..e25ef97 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -401,8 +401,9 @@ static void submit_flushes(struct work_struct *ws) bi->bi_end_io = md_end_flush; bi->bi_private = rdev; bi->bi_bdev = rdev->bdev; + bi->bi_rw |= WRITE_FLUSH; atomic_inc(&mddev->flush_pending); - submit_bio(WRITE_FLUSH, bi); + submit_bio(bi); rcu_read_lock(); rdev_dec_pending(rdev, mddev); } @@ -746,9 +747,10 @@ void md_super_write(struct mddev *mddev, struct md_rdev *rdev, bio_add_page(bio, page, size, 0); bio->bi_private = rdev; bio->bi_end_io = super_written; + bio->bi_rw |= WRITE_FLUSH_FUA; atomic_inc(&mddev->pending_writes); - submit_bio(WRITE_FLUSH_FUA, bio); + submit_bio(bio); } void md_super_wait(struct mddev *mddev) @@ -765,6 +767,7 @@ int sync_page_io(struct md_rdev *rdev, sector_t sector, int size, bio->bi_bdev = (metadata_op && rdev->meta_bdev) ? rdev->meta_bdev : rdev->bdev; + bio->bi_rw |= rw; if (metadata_op) bio->bi_iter.bi_sector = sector + rdev->sb_start; else if (rdev->mddev->reshape_position != MaxSector && @@ -774,7 +777,8 @@ int sync_page_io(struct md_rdev *rdev, sector_t sector, int size, else bio->bi_iter.bi_sector = sector + rdev->data_offset; bio_add_page(bio, page, size, 0); - submit_bio_wait(rw, bio); + + submit_bio_wait(bio); ret = !bio->bi_error; bio_put(bio); diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index e2169ff..01e6e74 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -2208,7 +2208,8 @@ static int narrow_write_error(struct r1bio *r1_bio, int i) bio_trim(wbio, sector - r1_bio->sector, sectors); wbio->bi_iter.bi_sector += rdev->data_offset; wbio->bi_bdev = rdev->bdev; - if (submit_bio_wait(WRITE, wbio) < 0) + + if (submit_bio_wait(wbio) < 0) /* failure! */ ok = rdev_set_badblocks(rdev, sector, sectors, 0) diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 84e597e..d2da45b 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -2474,7 +2474,9 @@ static int narrow_write_error(struct r10bio *r10_bio, int i) choose_data_offset(r10_bio, rdev) + (sector - r10_bio->sector)); wbio->bi_bdev = rdev->bdev; - if (submit_bio_wait(WRITE, wbio) < 0) + wbio->bi_rw |= WRITE; + + if (submit_bio_wait(wbio) < 0) /* Failure! */ ok = rdev_set_badblocks(rdev, sector, sectors, 0) diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c index d992d62..6b500fd 100644 --- a/drivers/md/raid5-cache.c +++ b/drivers/md/raid5-cache.c @@ -254,7 +254,7 @@ static void r5l_submit_current_io(struct r5l_log *log) __r5l_set_io_unit_state(io, IO_UNIT_IO_START); spin_unlock_irqrestore(&log->io_list_lock, flags); - submit_bio(WRITE, io->current_bio); + submit_bio(io->current_bio); } static struct bio *r5l_bio_alloc(struct r5l_log *log) @@ -373,7 +373,7 @@ static void r5l_append_payload_page(struct r5l_log *log, struct page *page) io->current_bio = r5l_bio_alloc(log); bio_chain(io->current_bio, prev); - submit_bio(WRITE, prev); + submit_bio(prev); } if (!bio_add_page(io->current_bio, page, PAGE_SIZE, 0)) @@ -686,7 +686,8 @@ void r5l_flush_stripe_to_raid(struct r5l_log *log) bio_reset(&log->flush_bio); log->flush_bio.bi_bdev = log->rdev->bdev; log->flush_bio.bi_end_io = r5l_log_flush_endio; - submit_bio(WRITE_FLUSH, &log->flush_bio); + log->flush_bio.bi_rw |= WRITE_FLUSH; + submit_bio(&log->flush_bio); } static void r5l_write_super(struct r5l_log *log, sector_t cp); diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index 5a2899f..bfc3e45 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -330,7 +330,7 @@ static void iblock_bio_done(struct bio *bio) } static struct bio * -iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num) +iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num, int rw) { struct iblock_dev *ib_dev = IBLOCK_DEV(cmd->se_dev); struct bio *bio; @@ -352,18 +352,19 @@ iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num) bio->bi_private = cmd; bio->bi_end_io = &iblock_bio_done; bio->bi_iter.bi_sector = lba; + bio->bi_rw |= rw; return bio; } -static void iblock_submit_bios(struct bio_list *list, int rw) +static void iblock_submit_bios(struct bio_list *list) { struct blk_plug plug; struct bio *bio; blk_start_plug(&plug); while ((bio = bio_list_pop(list))) - submit_bio(rw, bio); + submit_bio(bio); blk_finish_plug(&plug); } @@ -405,9 +406,10 @@ iblock_execute_sync_cache(struct se_cmd *cmd) bio = bio_alloc(GFP_KERNEL, 0); bio->bi_end_io = iblock_end_io_flush; bio->bi_bdev = ib_dev->ibd_bd; + bio->bi_rw |= WRITE_FLUSH; if (!immed) bio->bi_private = cmd; - submit_bio(WRITE_FLUSH, bio); + submit_bio(bio); return 0; } @@ -456,7 +458,7 @@ iblock_execute_write_same(struct se_cmd *cmd) goto fail; cmd->priv = ibr; - bio = iblock_get_bio(cmd, block_lba, 1); + bio = iblock_get_bio(cmd, block_lba, 1, WRITE); if (!bio) goto fail_free_ibr; @@ -469,7 +471,7 @@ iblock_execute_write_same(struct se_cmd *cmd) while (bio_add_page(bio, sg_page(sg), sg->length, sg->offset) != sg->length) { - bio = iblock_get_bio(cmd, block_lba, 1); + bio = iblock_get_bio(cmd, block_lba, 1, WRITE); if (!bio) goto fail_put_bios; @@ -482,7 +484,7 @@ iblock_execute_write_same(struct se_cmd *cmd) sectors -= 1; } - iblock_submit_bios(&list, WRITE); + iblock_submit_bios(&list); return 0; fail_put_bios: @@ -708,7 +710,7 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, return 0; } - bio = iblock_get_bio(cmd, block_lba, sgl_nents); + bio = iblock_get_bio(cmd, block_lba, sgl_nents, rw); if (!bio) goto fail_free_ibr; @@ -728,11 +730,11 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, while (bio_add_page(bio, sg_page(sg), sg->length, sg->offset) != sg->length) { if (bio_cnt >= IBLOCK_MAX_BIO_PER_TASK) { - iblock_submit_bios(&list, rw); + iblock_submit_bios(&list); bio_cnt = 0; } - bio = iblock_get_bio(cmd, block_lba, sg_num); + bio = iblock_get_bio(cmd, block_lba, sg_num, rw); if (!bio) goto fail_put_bios; @@ -752,7 +754,7 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, goto fail_put_bios; } - iblock_submit_bios(&list, rw); + iblock_submit_bios(&list); iblock_complete_cmd(cmd); return 0; diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c index 0340c57..7717043 100644 --- a/fs/btrfs/check-integrity.c +++ b/fs/btrfs/check-integrity.c @@ -1683,6 +1683,7 @@ static int btrfsic_read_block(struct btrfsic_state *state, } bio->bi_bdev = block_ctx->dev->bdev; bio->bi_iter.bi_sector = dev_bytenr >> 9; + bio->bi_rw |= READ; for (j = i; j < num_pages; j++) { ret = bio_add_page(bio, block_ctx->pagev[j], @@ -1695,7 +1696,7 @@ static int btrfsic_read_block(struct btrfsic_state *state, "btrfsic: error, failed to add a single page!\n"); return -1; } - if (submit_bio_wait(READ, bio)) { + if (submit_bio_wait(bio)) { printk(KERN_INFO "btrfsic: read error at logical %llu dev %s!\n", block_ctx->start, block_ctx->dev->name); @@ -2960,9 +2961,10 @@ int btrfsic_submit_bh(int rw, struct buffer_head *bh) return submit_bh(rw, bh); } -static void __btrfsic_submit_bio(int rw, struct bio *bio) +static void __btrfsic_submit_bio(struct bio *bio) { struct btrfsic_dev_state *dev_state; + int rw = bio->bi_rw; if (!btrfsic_is_initialized) return; @@ -3058,16 +3060,16 @@ leave: mutex_unlock(&btrfsic_mutex); } -void btrfsic_submit_bio(int rw, struct bio *bio) +void btrfsic_submit_bio(struct bio *bio) { - __btrfsic_submit_bio(rw, bio); - submit_bio(rw, bio); + __btrfsic_submit_bio(bio); + submit_bio(bio); } -int btrfsic_submit_bio_wait(int rw, struct bio *bio) +int btrfsic_submit_bio_wait(struct bio *bio) { - __btrfsic_submit_bio(rw, bio); - return submit_bio_wait(rw, bio); + __btrfsic_submit_bio(bio); + return submit_bio_wait(bio); } int btrfsic_mount(struct btrfs_root *root, diff --git a/fs/btrfs/check-integrity.h b/fs/btrfs/check-integrity.h index 13b8566..c04e249 100644 --- a/fs/btrfs/check-integrity.h +++ b/fs/btrfs/check-integrity.h @@ -21,8 +21,8 @@ #ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY int btrfsic_submit_bh(int rw, struct buffer_head *bh); -void btrfsic_submit_bio(int rw, struct bio *bio); -int btrfsic_submit_bio_wait(int rw, struct bio *bio); +void btrfsic_submit_bio(struct bio *bio); +int btrfsic_submit_bio_wait(struct bio *bio); #else #define btrfsic_submit_bh submit_bh #define btrfsic_submit_bio submit_bio diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 6dd6774..66dd552 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -3454,12 +3454,13 @@ static int write_dev_flush(struct btrfs_device *device, int wait) bio->bi_end_io = btrfs_end_empty_barrier; bio->bi_bdev = device->bdev; + bio->bi_rw |= WRITE_FLUSH; init_completion(&device->flush_wait); bio->bi_private = &device->flush_wait; device->flush_bio = bio; bio_get(bio); - btrfsic_submit_bio(WRITE_FLUSH, bio); + btrfsic_submit_bio(bio); return 0; } diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index a2356e2..7bcc729 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2040,9 +2040,10 @@ int repair_io_failure(struct inode *inode, u64 start, u64 length, u64 logical, return -EIO; } bio->bi_bdev = dev->bdev; + bio->bi_rw |= WRITE_SYNC; bio_add_page(bio, page, length, pg_offset); - if (btrfsic_submit_bio_wait(WRITE_SYNC, bio)) { + if (btrfsic_submit_bio_wait(bio)) { /* try to remap that extent elsewhere? */ bio_put(bio); btrfs_dev_stat_inc_and_print(dev, BTRFS_DEV_STAT_WRITE_ERRS); @@ -2730,14 +2731,14 @@ static int __must_check submit_one_bio(int rw, struct bio *bio, start = page_offset(page) + bvec->bv_offset; bio->bi_private = NULL; - + bio->bi_rw |= rw; bio_get(bio); if (tree->ops && tree->ops->submit_bio_hook) ret = tree->ops->submit_bio_hook(page->mapping->host, rw, bio, mirror_num, bio_flags, start); else - btrfsic_submit_bio(rw, bio); + btrfsic_submit_bio(bio); bio_put(bio); return ret; diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index 1a33d3e..532ceb0 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -1323,7 +1323,9 @@ write_data: bio->bi_private = rbio; bio->bi_end_io = raid_write_end_io; - submit_bio(WRITE, bio); + bio->bi_rw |= WRITE; + + submit_bio(bio); } return; @@ -1577,11 +1579,12 @@ static int raid56_rmw_stripe(struct btrfs_raid_bio *rbio) bio->bi_private = rbio; bio->bi_end_io = raid_rmw_end_io; + bio->bi_rw |= READ; btrfs_bio_wq_end_io(rbio->fs_info, bio, BTRFS_WQ_ENDIO_RAID56); - submit_bio(READ, bio); + submit_bio(bio); } /* the actual write will happen once the reads are done */ return 0; @@ -2103,11 +2106,12 @@ static int __raid56_parity_recover(struct btrfs_raid_bio *rbio) bio->bi_private = rbio; bio->bi_end_io = raid_recover_end_io; + bio->bi_rw |= READ; btrfs_bio_wq_end_io(rbio->fs_info, bio, BTRFS_WQ_ENDIO_RAID56); - submit_bio(READ, bio); + submit_bio(bio); } out: return 0; @@ -2465,7 +2469,8 @@ submit_write: bio->bi_private = rbio; bio->bi_end_io = raid_write_parity_end_io; - submit_bio(WRITE, bio); + bio->bi_rw |= WRITE; + submit_bio(bio); } return; @@ -2642,11 +2647,12 @@ static void raid56_parity_scrub_stripe(struct btrfs_raid_bio *rbio) bio->bi_private = rbio; bio->bi_end_io = raid56_parity_scrub_end_io; + bio->bi_rw |= READ; btrfs_bio_wq_end_io(rbio->fs_info, bio, BTRFS_WQ_ENDIO_RAID56); - submit_bio(READ, bio); + submit_bio(bio); } /* the actual write will happen once the reads are done */ return; diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 6998715..944959f 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -1504,8 +1504,9 @@ static void scrub_recheck_block(struct btrfs_fs_info *fs_info, sblock->no_io_error_seen = 0; } else { bio->bi_iter.bi_sector = page->physical >> 9; + bio->bi_rw |= READ; - if (btrfsic_submit_bio_wait(READ, bio)) + if (btrfsic_submit_bio_wait(bio)) sblock->no_io_error_seen = 0; } @@ -1585,6 +1586,7 @@ static int scrub_repair_page_from_good_copy(struct scrub_block *sblock_bad, return -EIO; bio->bi_bdev = page_bad->dev->bdev; bio->bi_iter.bi_sector = page_bad->physical >> 9; + bio->bi_rw |= WRITE; ret = bio_add_page(bio, page_good->page, PAGE_SIZE, 0); if (PAGE_SIZE != ret) { @@ -1592,7 +1594,7 @@ static int scrub_repair_page_from_good_copy(struct scrub_block *sblock_bad, return -EIO; } - if (btrfsic_submit_bio_wait(WRITE, bio)) { + if (btrfsic_submit_bio_wait(bio)) { btrfs_dev_stat_inc_and_print(page_bad->dev, BTRFS_DEV_STAT_WRITE_ERRS); btrfs_dev_replace_stats_inc( @@ -1685,6 +1687,7 @@ again: bio->bi_end_io = scrub_wr_bio_end_io; bio->bi_bdev = sbio->dev->bdev; bio->bi_iter.bi_sector = sbio->physical >> 9; + bio->bi_rw |= WRITE; sbio->err = 0; } else if (sbio->physical + sbio->page_count * PAGE_SIZE != spage->physical_for_dev_replace || @@ -1732,7 +1735,7 @@ static void scrub_wr_submit(struct scrub_ctx *sctx) * orders the requests before sending them to the driver which * doubled the write performance on spinning disks when measured * with Linux 3.5 */ - btrfsic_submit_bio(WRITE, sbio->bio); + btrfsic_submit_bio(sbio->bio); } static void scrub_wr_bio_end_io(struct bio *bio) @@ -2042,7 +2045,7 @@ static void scrub_submit(struct scrub_ctx *sctx) sbio = sctx->bios[sctx->curr]; sctx->curr = -1; scrub_pending_bio_inc(sctx); - btrfsic_submit_bio(READ, sbio->bio); + btrfsic_submit_bio(sbio->bio); } static int scrub_add_page_to_rd_bio(struct scrub_ctx *sctx, @@ -2088,6 +2091,7 @@ again: bio->bi_end_io = scrub_bio_end_io; bio->bi_bdev = sbio->dev->bdev; bio->bi_iter.bi_sector = sbio->physical >> 9; + bio->bi_rw |= READ; sbio->err = 0; } else if (sbio->physical + sbio->page_count * PAGE_SIZE != spage->physical || @@ -4390,6 +4394,8 @@ static int write_page_nocow(struct scrub_ctx *sctx, bio->bi_iter.bi_size = 0; bio->bi_iter.bi_sector = physical_for_dev_replace >> 9; bio->bi_bdev = dev->bdev; + bio->bi_rw |= WRITE_SYNC; + ret = bio_add_page(bio, page, PAGE_CACHE_SIZE, 0); if (ret != PAGE_CACHE_SIZE) { leave_with_eio: @@ -4398,7 +4404,7 @@ leave_with_eio: return -EIO; } - if (btrfsic_submit_bio_wait(WRITE_SYNC, bio)) + if (btrfsic_submit_bio_wait(bio)) goto leave_with_eio; bio_put(bio); diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index a114b7b..2463761 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -446,7 +446,7 @@ loop_lock: sync_pending = 0; } - btrfsic_submit_bio(cur->bi_rw, cur); + btrfsic_submit_bio(cur); num_run++; batch_run++; @@ -5942,7 +5942,7 @@ static void btrfs_end_bio(struct bio *bio) */ static noinline void btrfs_schedule_bio(struct btrfs_root *root, struct btrfs_device *device, - int rw, struct bio *bio) + struct bio *bio) { int should_queue = 1; struct btrfs_pending_bios *pending_bios; @@ -5953,9 +5953,9 @@ static noinline void btrfs_schedule_bio(struct btrfs_root *root, } /* don't bother with additional async steps for reads, right now */ - if (!(rw & REQ_WRITE)) { + if (!(bio->bi_rw & REQ_WRITE)) { bio_get(bio); - btrfsic_submit_bio(rw, bio); + btrfsic_submit_bio(bio); bio_put(bio); return; } @@ -5969,7 +5969,6 @@ static noinline void btrfs_schedule_bio(struct btrfs_root *root, atomic_inc(&root->fs_info->nr_async_bios); WARN_ON(bio->bi_next); bio->bi_next = NULL; - bio->bi_rw |= rw; spin_lock(&device->io_lock); if (bio->bi_rw & REQ_SYNC) @@ -6003,6 +6002,7 @@ static void submit_stripe_bio(struct btrfs_root *root, struct btrfs_bio *bbio, btrfs_io_bio(bio)->stripe_index = dev_nr; bio->bi_end_io = btrfs_end_bio; bio->bi_iter.bi_sector = physical >> 9; + bio->bi_rw |= rw; #ifdef DEBUG { struct rcu_string *name; @@ -6021,9 +6021,9 @@ static void submit_stripe_bio(struct btrfs_root *root, struct btrfs_bio *bbio, btrfs_bio_counter_inc_noblocked(root->fs_info); if (async) - btrfs_schedule_bio(root, dev, rw, bio); + btrfs_schedule_bio(root, dev, bio); else - btrfsic_submit_bio(rw, bio); + btrfsic_submit_bio(bio); } static void bbio_error(struct btrfs_bio *bbio, struct bio *bio, u64 logical) diff --git a/fs/buffer.c b/fs/buffer.c index 4f4cd95..63d0aed 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -3041,8 +3041,9 @@ static int submit_bh_wbc(int rw, struct buffer_head *bh, rw |= REQ_META; if (buffer_prio(bh)) rw |= REQ_PRIO; + bio->bi_rw |= rw; - submit_bio(rw, bio); + submit_bio(bio); return 0; } diff --git a/fs/direct-io.c b/fs/direct-io.c index 602e844..66b1d3eb 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -369,6 +369,7 @@ dio_bio_alloc(struct dio *dio, struct dio_submit *sdio, bio->bi_bdev = bdev; bio->bi_iter.bi_sector = first_sector; + bio->bi_rw |= dio->rw; if (dio->is_async) bio->bi_end_io = dio_bio_end_aio; else @@ -406,7 +407,7 @@ static inline void dio_bio_submit(struct dio *dio, struct dio_submit *sdio) sdio->logical_offset_in_bio); dio->bio_cookie = BLK_QC_T_NONE; } else - dio->bio_cookie = submit_bio(dio->rw, bio); + dio->bio_cookie = submit_bio(bio); sdio->bio = NULL; sdio->boundary = 0; diff --git a/fs/ext4/crypto.c b/fs/ext4/crypto.c index c802120..a5fc446 100644 --- a/fs/ext4/crypto.c +++ b/fs/ext4/crypto.c @@ -424,6 +424,7 @@ int ext4_encrypted_zeroout(struct inode *inode, ext4_lblk_t lblk, bio->bi_bdev = inode->i_sb->s_bdev; bio->bi_iter.bi_sector = pblk << (inode->i_sb->s_blocksize_bits - 9); + bio->bi_rw |= WRITE; ret = bio_add_page(bio, ciphertext_page, inode->i_sb->s_blocksize, 0); if (ret != inode->i_sb->s_blocksize) { @@ -435,7 +436,7 @@ int ext4_encrypted_zeroout(struct inode *inode, ext4_lblk_t lblk, err = -EIO; goto errout; } - err = submit_bio_wait(WRITE, bio); + err = submit_bio_wait(bio); if ((err == 0) && bio->bi_error) err = -EIO; bio_put(bio); diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index 17fbe38..86bb60ba 100644 --- a/fs/ext4/page-io.c +++ b/fs/ext4/page-io.c @@ -357,7 +357,8 @@ void ext4_io_submit(struct ext4_io_submit *io) int io_op = io->io_wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : WRITE; bio_get(io->io_bio); - submit_bio(io_op, io->io_bio); + io->io_bio->bi_rw |= io_op; + submit_bio(io->io_bio); bio_put(io->io_bio); } io->io_bio = NULL; diff --git a/fs/ext4/readpage.c b/fs/ext4/readpage.c index 5dc5e95..772e40b 100644 --- a/fs/ext4/readpage.c +++ b/fs/ext4/readpage.c @@ -271,7 +271,7 @@ int ext4_mpage_readpages(struct address_space *mapping, */ if (bio && (last_block_in_bio != blocks[0] - 1)) { submit_and_realloc: - submit_bio(READ, bio); + submit_bio(bio); bio = NULL; } if (bio == NULL) { @@ -294,6 +294,7 @@ int ext4_mpage_readpages(struct address_space *mapping, bio->bi_iter.bi_sector = blocks[0] << (blkbits - 9); bio->bi_end_io = mpage_end_io; bio->bi_private = ctx; + bio->bi_rw |= READ; } length = first_hole << blkbits; @@ -303,14 +304,14 @@ int ext4_mpage_readpages(struct address_space *mapping, if (((map.m_flags & EXT4_MAP_BOUNDARY) && (relative_block == map.m_len)) || (first_hole != blocks_per_page)) { - submit_bio(READ, bio); + submit_bio(bio); bio = NULL; } else last_block_in_bio = blocks[blocks_per_page - 1]; goto next_page; confused: if (bio) { - submit_bio(READ, bio); + submit_bio(bio); bio = NULL; } if (!PageUptodate(page)) @@ -323,6 +324,6 @@ int ext4_mpage_readpages(struct address_space *mapping, } BUG_ON(pages && !list_empty(pages)); if (bio) - submit_bio(READ, bio); + submit_bio(bio); return 0; } diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index e34b1bd..5325408 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -111,8 +111,9 @@ static void __submit_merged_bio(struct f2fs_bio_info *io) trace_f2fs_submit_read_bio(io->sbi->sb, fio, io->bio); else trace_f2fs_submit_write_bio(io->sbi->sb, fio, io->bio); + io->bio->bi_rw |= fio->rw; - submit_bio(fio->rw, io->bio); + submit_bio(io->bio); io->bio = NULL; } @@ -157,8 +158,9 @@ int f2fs_submit_page_bio(struct f2fs_io_info *fio) bio_put(bio); return -EFAULT; } + bio->bi_rw |= fio->rw; - submit_bio(fio->rw, bio); + submit_bio(bio); return 0; } @@ -953,7 +955,7 @@ got_it: */ if (bio && (last_block_in_bio != block_nr - 1)) { submit_and_realloc: - submit_bio(READ, bio); + submit_bio(bio); bio = NULL; } if (bio == NULL) { @@ -982,6 +984,7 @@ submit_and_realloc: bio->bi_iter.bi_sector = SECTOR_FROM_BLOCK(block_nr); bio->bi_end_io = f2fs_read_end_io; bio->bi_private = ctx; + bio->bi_rw |= READ; } if (bio_add_page(bio, page, blocksize, 0) < blocksize) @@ -996,7 +999,7 @@ set_error_page: goto next_page; confused: if (bio) { - submit_bio(READ, bio); + submit_bio(bio); bio = NULL; } unlock_page(page); @@ -1006,7 +1009,7 @@ next_page: } BUG_ON(pages && !list_empty(pages)); if (bio) - submit_bio(READ, bio); + submit_bio(bio); return 0; } diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index c247450..6ebdbb3 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -318,7 +318,8 @@ repeat: fcc->dispatch_list = llist_reverse_order(fcc->dispatch_list); bio->bi_bdev = sbi->sb->s_bdev; - ret = submit_bio_wait(WRITE_FLUSH, bio); + bio->bi_rw |= WRITE_FLUSH; + ret = submit_bio_wait(bio); llist_for_each_entry_safe(cmd, next, fcc->dispatch_list, llnode) { @@ -350,7 +351,8 @@ int f2fs_issue_flush(struct f2fs_sb_info *sbi) int ret; bio->bi_bdev = sbi->sb->s_bdev; - ret = submit_bio_wait(WRITE_FLUSH, bio); + bio->bi_rw |= WRITE_FLUSH; + ret = submit_bio_wait(bio); bio_put(bio); return ret; } diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c index d5369a1..acc5ccb 100644 --- a/fs/gfs2/lops.c +++ b/fs/gfs2/lops.c @@ -240,7 +240,8 @@ void gfs2_log_flush_bio(struct gfs2_sbd *sdp, int rw) { if (sdp->sd_log_bio) { atomic_inc(&sdp->sd_log_in_flight); - submit_bio(rw, sdp->sd_log_bio); + sdp->sd_log_bio->bi_rw |= rw; + submit_bio(sdp->sd_log_bio); sdp->sd_log_bio = NULL; } } diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c index e137d96..013886d 100644 --- a/fs/gfs2/meta_io.c +++ b/fs/gfs2/meta_io.c @@ -230,7 +230,8 @@ static void gfs2_submit_bhs(int rw, struct buffer_head *bhs[], int num) bio_add_page(bio, bh->b_page, bh->b_size, bh_offset(bh)); } bio->bi_end_io = gfs2_meta_read_endio; - submit_bio(rw, bio); + bio->bi_rw |= rw; + submit_bio(bio); } /** diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index 7aacdf2..15a4f86 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -246,7 +246,8 @@ static int gfs2_read_super(struct gfs2_sbd *sdp, sector_t sector, int silent) bio->bi_end_io = end_bio_io_page; bio->bi_private = page; - submit_bio(READ_SYNC | REQ_META, bio); + bio->bi_rw |= READ_SYNC | REQ_META; + submit_bio(bio); wait_on_page_locked(page); bio_put(bio); if (!PageUptodate(page)) { diff --git a/fs/hfsplus/wrapper.c b/fs/hfsplus/wrapper.c index cc62356..7e605b5 100644 --- a/fs/hfsplus/wrapper.c +++ b/fs/hfsplus/wrapper.c @@ -65,6 +65,7 @@ int hfsplus_submit_bio(struct super_block *sb, sector_t sector, bio = bio_alloc(GFP_NOIO, 1); bio->bi_iter.bi_sector = sector; bio->bi_bdev = sb->s_bdev; + bio->bi_rw |= rw; if (!(rw & WRITE) && data) *data = (u8 *)buf + offset; @@ -83,7 +84,7 @@ int hfsplus_submit_bio(struct super_block *sb, sector_t sector, buf = (u8 *)buf + len; } - ret = submit_bio_wait(rw, bio); + ret = submit_bio_wait(bio); out: bio_put(bio); return ret < 0 ? ret : 0; diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c index a270cb7..a4321a6 100644 --- a/fs/jfs/jfs_logmgr.c +++ b/fs/jfs/jfs_logmgr.c @@ -2004,12 +2004,13 @@ static int lbmRead(struct jfs_log * log, int pn, struct lbuf ** bpp) bio->bi_end_io = lbmIODone; bio->bi_private = bp; + bio->bi_rw |= READ_SYNC; /*check if journaling to disk has been disabled*/ if (log->no_integrity) { bio->bi_iter.bi_size = 0; lbmIODone(bio); } else { - submit_bio(READ_SYNC, bio); + submit_bio(bio); } wait_event(bp->l_ioevent, (bp->l_flag != lbmREAD)); @@ -2147,13 +2148,14 @@ static void lbmStartIO(struct lbuf * bp) bio->bi_end_io = lbmIODone; bio->bi_private = bp; + bio->bi_rw |= WRITE_SYNC; /* check if journaling to disk has been disabled */ if (log->no_integrity) { bio->bi_iter.bi_size = 0; lbmIODone(bio); } else { - submit_bio(WRITE_SYNC, bio); + submit_bio(bio); INCREMENT(lmStat.submitted); } } diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c index a3eb316..b5b76a5 100644 --- a/fs/jfs/jfs_metapage.c +++ b/fs/jfs/jfs_metapage.c @@ -411,7 +411,7 @@ static int metapage_writepage(struct page *page, struct writeback_control *wbc) inc_io(page); if (!bio->bi_iter.bi_size) goto dump_bio; - submit_bio(WRITE, bio); + submit_bio(bio); nr_underway++; bio = NULL; } else @@ -434,6 +434,7 @@ static int metapage_writepage(struct page *page, struct writeback_control *wbc) bio->bi_iter.bi_sector = pblock << (inode->i_blkbits - 9); bio->bi_end_io = metapage_write_end_io; bio->bi_private = page; + bio->bi_rw |= WRITE; /* Don't call bio_add_page yet, we may add to this vec */ bio_offset = offset; @@ -448,7 +449,7 @@ static int metapage_writepage(struct page *page, struct writeback_control *wbc) if (!bio->bi_iter.bi_size) goto dump_bio; - submit_bio(WRITE, bio); + submit_bio(bio); nr_underway++; } if (redirty) @@ -506,7 +507,7 @@ static int metapage_readpage(struct file *fp, struct page *page) insert_metapage(page, NULL); inc_io(page); if (bio) - submit_bio(READ, bio); + submit_bio(bio); bio = bio_alloc(GFP_NOFS, 1); bio->bi_bdev = inode->i_sb->s_bdev; @@ -514,6 +515,7 @@ static int metapage_readpage(struct file *fp, struct page *page) pblock << (inode->i_blkbits - 9); bio->bi_end_io = metapage_read_end_io; bio->bi_private = page; + bio->bi_rw |= READ; len = xlen << inode->i_blkbits; offset = block_offset << inode->i_blkbits; if (bio_add_page(bio, page, len, offset) < len) @@ -523,7 +525,7 @@ static int metapage_readpage(struct file *fp, struct page *page) block_offset++; } if (bio) - submit_bio(READ, bio); + submit_bio(bio); else unlock_page(page); diff --git a/fs/logfs/dev_bdev.c b/fs/logfs/dev_bdev.c index a709d80..623dd3e 100644 --- a/fs/logfs/dev_bdev.c +++ b/fs/logfs/dev_bdev.c @@ -29,8 +29,9 @@ static int sync_request(struct page *page, struct block_device *bdev, int rw) bio.bi_bdev = bdev; bio.bi_iter.bi_sector = page->index * (PAGE_SIZE >> 9); bio.bi_iter.bi_size = PAGE_SIZE; + bio.bi_rw |= rw; - return submit_bio_wait(rw, &bio); + return submit_bio_wait(&bio); } static int bdev_readpage(void *_sb, struct page *page) @@ -95,8 +96,9 @@ static int __bdev_writeseg(struct super_block *sb, u64 ofs, pgoff_t index, bio->bi_iter.bi_sector = ofs >> 9; bio->bi_private = sb; bio->bi_end_io = writeseg_end_io; + bio->bi_rw |= WRITE; atomic_inc(&super->s_pending_writes); - submit_bio(WRITE, bio); + submit_bio(bio); ofs += i * PAGE_SIZE; index += i; @@ -122,8 +124,9 @@ static int __bdev_writeseg(struct super_block *sb, u64 ofs, pgoff_t index, bio->bi_iter.bi_sector = ofs >> 9; bio->bi_private = sb; bio->bi_end_io = writeseg_end_io; + bio->bi_rw |= WRITE; atomic_inc(&super->s_pending_writes); - submit_bio(WRITE, bio); + submit_bio(bio); return 0; } @@ -185,8 +188,9 @@ static int do_erase(struct super_block *sb, u64 ofs, pgoff_t index, bio->bi_iter.bi_sector = ofs >> 9; bio->bi_private = sb; bio->bi_end_io = erase_end_io; + bio->bi_rw |= WRITE; atomic_inc(&super->s_pending_writes); - submit_bio(WRITE, bio); + submit_bio(bio); ofs += i * PAGE_SIZE; index += i; @@ -206,8 +210,9 @@ static int do_erase(struct super_block *sb, u64 ofs, pgoff_t index, bio->bi_iter.bi_sector = ofs >> 9; bio->bi_private = sb; bio->bi_end_io = erase_end_io; + bio->bi_rw |= WRITE; atomic_inc(&super->s_pending_writes); - submit_bio(WRITE, bio); + submit_bio(bio); return 0; } diff --git a/fs/mpage.c b/fs/mpage.c index 1480d3a..9fec67f 100644 --- a/fs/mpage.c +++ b/fs/mpage.c @@ -58,8 +58,9 @@ static void mpage_end_io(struct bio *bio) static struct bio *mpage_bio_submit(int rw, struct bio *bio) { bio->bi_end_io = mpage_end_io; + bio->bi_rw |= rw; guard_bio_eod(rw, bio); - submit_bio(rw, bio); + submit_bio(bio); return NULL; } diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c index ddd0138..bb8d629 100644 --- a/fs/nfs/blocklayout/blocklayout.c +++ b/fs/nfs/blocklayout/blocklayout.c @@ -102,14 +102,15 @@ static inline void put_parallel(struct parallel_io *p) } static struct bio * -bl_submit_bio(int rw, struct bio *bio) +bl_submit_bio(struct bio *bio) { if (bio) { get_parallel(bio->bi_private); dprintk("%s submitting %s bio %u@%llu\n", __func__, - rw == READ ? "read" : "write", bio->bi_iter.bi_size, + bio->bi_rw == READ ? "read" : "write", + bio->bi_iter.bi_size, (unsigned long long)bio->bi_iter.bi_sector); - submit_bio(rw, bio); + submit_bio(bio); } return NULL; } @@ -158,7 +159,7 @@ do_add_page_to_bio(struct bio *bio, int npg, int rw, sector_t isect, if (disk_addr < map->start || disk_addr >= map->start + map->len) { if (!dev->map(dev, disk_addr, map)) return ERR_PTR(-EIO); - bio = bl_submit_bio(rw, bio); + bio = bl_submit_bio(bio); } disk_addr += map->disk_offset; disk_addr -= map->start; @@ -174,9 +175,10 @@ retry: disk_addr >> SECTOR_SHIFT, end_io, par); if (!bio) return ERR_PTR(-ENOMEM); + bio->bi_rw |= rw; } if (bio_add_page(bio, page, *len, offset) < *len) { - bio = bl_submit_bio(rw, bio); + bio = bl_submit_bio(bio); goto retry; } return bio; @@ -252,7 +254,7 @@ bl_read_pagelist(struct nfs_pgio_header *header) for (i = pg_index; i < header->page_array.npages; i++) { if (extent_length <= 0) { /* We've used up the previous extent */ - bio = bl_submit_bio(READ, bio); + bio = bl_submit_bio(bio); /* Get the next one */ if (!ext_tree_lookup(bl, isect, &be, false)) { @@ -273,7 +275,7 @@ bl_read_pagelist(struct nfs_pgio_header *header) } if (is_hole(&be)) { - bio = bl_submit_bio(READ, bio); + bio = bl_submit_bio(bio); /* Fill hole w/ zeroes w/o accessing device */ dprintk("%s Zeroing page for hole\n", __func__); zero_user_segment(pages[i], pg_offset, pg_len); @@ -306,7 +308,7 @@ bl_read_pagelist(struct nfs_pgio_header *header) header->res.count = (isect << SECTOR_SHIFT) - header->args.offset; } out: - bl_submit_bio(READ, bio); + bl_submit_bio(bio); blk_finish_plug(&plug); put_parallel(par); return PNFS_ATTEMPTED; @@ -398,7 +400,7 @@ bl_write_pagelist(struct nfs_pgio_header *header, int sync) for (i = pg_index; i < header->page_array.npages; i++) { if (extent_length <= 0) { /* We've used up the previous extent */ - bio = bl_submit_bio(WRITE, bio); + bio = bl_submit_bio(bio); /* Get the next one */ if (!ext_tree_lookup(bl, isect, &be, true)) { header->pnfs_error = -EINVAL; @@ -427,7 +429,7 @@ bl_write_pagelist(struct nfs_pgio_header *header, int sync) header->res.count = header->args.count; out: - bl_submit_bio(WRITE, bio); + bl_submit_bio(bio); blk_finish_plug(&plug); put_parallel(par); return PNFS_ATTEMPTED; diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c index f63620c..428ece8 100644 --- a/fs/nilfs2/segbuf.c +++ b/fs/nilfs2/segbuf.c @@ -368,7 +368,8 @@ static int nilfs_segbuf_submit_bio(struct nilfs_segment_buffer *segbuf, bio->bi_end_io = nilfs_end_bio_write; bio->bi_private = segbuf; - submit_bio(mode, bio); + bio->bi_rw |= mode; + submit_bio(bio); segbuf->sb_nbio++; wi->bio = NULL; diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c index a3cc6d2..41039c2 100644 --- a/fs/ocfs2/cluster/heartbeat.c +++ b/fs/ocfs2/cluster/heartbeat.c @@ -391,7 +391,7 @@ static void o2hb_bio_end_io(struct bio *bio) static struct bio *o2hb_setup_one_bio(struct o2hb_region *reg, struct o2hb_bio_wait_ctxt *wc, unsigned int *current_slot, - unsigned int max_slots) + unsigned int max_slots, int rw) { int len, current_page; unsigned int vec_len, vec_start; @@ -417,6 +417,7 @@ static struct bio *o2hb_setup_one_bio(struct o2hb_region *reg, bio->bi_bdev = reg->hr_bdev; bio->bi_private = wc; bio->bi_end_io = o2hb_bio_end_io; + bio->bi_rw |= rw; vec_start = (cs << bits) % PAGE_CACHE_SIZE; while(cs < max_slots) { @@ -452,7 +453,8 @@ static int o2hb_read_slots(struct o2hb_region *reg, o2hb_bio_wait_init(&wc); while(current_slot < max_slots) { - bio = o2hb_setup_one_bio(reg, &wc, ¤t_slot, max_slots); + bio = o2hb_setup_one_bio(reg, &wc, ¤t_slot, max_slots, + READ); if (IS_ERR(bio)) { status = PTR_ERR(bio); mlog_errno(status); @@ -460,7 +462,7 @@ static int o2hb_read_slots(struct o2hb_region *reg, } atomic_inc(&wc.wc_num_reqs); - submit_bio(READ, bio); + submit_bio(bio); } status = 0; @@ -484,7 +486,7 @@ static int o2hb_issue_node_write(struct o2hb_region *reg, slot = o2nm_this_node(); - bio = o2hb_setup_one_bio(reg, write_wc, &slot, slot+1); + bio = o2hb_setup_one_bio(reg, write_wc, &slot, slot+1, WRITE_SYNC); if (IS_ERR(bio)) { status = PTR_ERR(bio); mlog_errno(status); @@ -492,7 +494,7 @@ static int o2hb_issue_node_write(struct o2hb_region *reg, } atomic_inc(&write_wc->wc_num_reqs); - submit_bio(WRITE_SYNC, bio); + submit_bio(bio); status = 0; bail: diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 29e7e5d..a1052d2 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -382,7 +382,8 @@ xfs_submit_ioend_bio( atomic_inc(&ioend->io_remaining); bio->bi_private = ioend; bio->bi_end_io = xfs_end_bio; - submit_bio(wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : WRITE, bio); + bio->bi_rw |= (wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : WRITE); + submit_bio(bio); } STATIC struct bio * diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 45a8ea7..644e676 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -1163,7 +1163,7 @@ next_chunk: bio->bi_iter.bi_sector = sector; bio->bi_end_io = xfs_buf_bio_end_io; bio->bi_private = bp; - + bio->bi_rw |= rw; for (; size && nr_pages; nr_pages--, page_index++) { int rbytes, nbytes = PAGE_SIZE - offset; @@ -1187,7 +1187,7 @@ next_chunk: flush_kernel_vmap_range(bp->b_addr, xfs_buf_vmap_len(bp)); } - submit_bio(rw, bio); + submit_bio(bio); if (size) goto next_chunk; } else { diff --git a/include/linux/bio.h b/include/linux/bio.h index 5349e68..9f0e2cf 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -441,7 +441,7 @@ static inline void bio_io_error(struct bio *bio) struct request_queue; extern int bio_phys_segments(struct request_queue *, struct bio *); -extern int submit_bio_wait(int rw, struct bio *bio); +extern int submit_bio_wait(struct bio *bio); extern void bio_advance(struct bio *, unsigned); extern void bio_init(struct bio *); diff --git a/include/linux/fs.h b/include/linux/fs.h index fdab768..3b4e751 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2643,7 +2643,7 @@ static inline void remove_inode_hash(struct inode *inode) extern void inode_sb_list_add(struct inode *inode); #ifdef CONFIG_BLOCK -extern blk_qc_t submit_bio(int, struct bio *); +extern blk_qc_t submit_bio(struct bio *); extern int bdev_read_only(struct block_device *); #endif extern int set_blocksize(struct block_device *, int); diff --git a/kernel/power/swap.c b/kernel/power/swap.c index 12cd989..649dfc7 100644 --- a/kernel/power/swap.c +++ b/kernel/power/swap.c @@ -260,6 +260,7 @@ static int hib_submit_io(int rw, pgoff_t page_off, void *addr, bio = bio_alloc(__GFP_RECLAIM | __GFP_HIGH, 1); bio->bi_iter.bi_sector = page_off * (PAGE_SIZE >> 9); bio->bi_bdev = hib_resume_bdev; + bio->bi_rw |= rw; if (bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE) { printk(KERN_ERR "PM: Adding page to bio failed at %llu\n", @@ -272,9 +273,9 @@ static int hib_submit_io(int rw, pgoff_t page_off, void *addr, bio->bi_end_io = hib_end_io; bio->bi_private = hb; atomic_inc(&hb->count); - submit_bio(rw, bio); + submit_bio(bio); } else { - error = submit_bio_wait(rw, bio); + error = submit_bio_wait(bio); bio_put(bio); } diff --git a/mm/page_io.c b/mm/page_io.c index b995a5b..8410cdb 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -253,7 +253,7 @@ int __swap_writepage(struct page *page, struct writeback_control *wbc, bio_end_io_t end_write_func) { struct bio *bio; - int ret, rw = WRITE; + int ret; struct swap_info_struct *sis = page_swap_info(page); if (sis->flags & SWP_FILE) { @@ -311,12 +311,13 @@ int __swap_writepage(struct page *page, struct writeback_control *wbc, ret = -ENOMEM; goto out; } + bio->bi_rw |= WRITE; if (wbc->sync_mode == WB_SYNC_ALL) - rw |= REQ_SYNC; + bio->bi_rw |= REQ_SYNC; count_vm_event(PSWPOUT); set_page_writeback(page); unlock_page(page); - submit_bio(rw, bio); + submit_bio(bio); out: return ret; } @@ -358,8 +359,9 @@ int swap_readpage(struct page *page) ret = -ENOMEM; goto out; } + bio->bi_rw |= READ; count_vm_event(PSWPIN); - submit_bio(READ, bio); + submit_bio(bio); out: return ret; }