From patchwork Wed Apr 13 19:35:54 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Christie X-Patchwork-Id: 8827761 Return-Path: X-Original-To: patchwork-linux-btrfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 58E899F39A for ; Wed, 13 Apr 2016 19:58:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E94EC20361 for ; Wed, 13 Apr 2016 19:58:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4C8CF201F2 for ; Wed, 13 Apr 2016 19:58:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752830AbcDMTg5 (ORCPT ); Wed, 13 Apr 2016 15:36:57 -0400 Received: from mx1.redhat.com ([209.132.183.28]:49529 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752415AbcDMTgy (ORCPT ); Wed, 13 Apr 2016 15:36:54 -0400 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 56DCE62644; Wed, 13 Apr 2016 19:36:53 +0000 (UTC) Received: from rh2.redhat.com (vpn-61-74.rdu2.redhat.com [10.10.61.74]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u3DJaU94018278; Wed, 13 Apr 2016 15:36:50 -0400 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 Cc: Mike Christie Subject: [PATCH 08/42] btrfs: set bi_op tp REQ_OP Date: Wed, 13 Apr 2016 14:35:54 -0500 Message-Id: <1460576188-5751-9-git-send-email-mchristi@redhat.com> In-Reply-To: <1460576188-5751-1-git-send-email-mchristi@redhat.com> References: <1460576188-5751-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Wed, 13 Apr 2016 19:36:53 +0000 (UTC) Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-7.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 patch has btrfs use the bio bi_op for REQ_OP and bi_rw for rq_flag_bits. v5: - Misset bi_rw to REQ_OP_WRITE in finish_parity_scrub Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig --- fs/btrfs/check-integrity.c | 19 +++++++++---------- fs/btrfs/compression.c | 4 ++++ fs/btrfs/disk-io.c | 7 ++++--- fs/btrfs/inode.c | 20 +++++++++++++------- fs/btrfs/raid56.c | 10 +++++----- fs/btrfs/scrub.c | 9 +++++---- fs/btrfs/volumes.c | 20 ++++++++++---------- 7 files changed, 50 insertions(+), 39 deletions(-) diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c index f82190f..c4a48e8 100644 --- a/fs/btrfs/check-integrity.c +++ b/fs/btrfs/check-integrity.c @@ -1673,7 +1673,7 @@ 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; + bio->bi_op = REQ_OP_READ; for (j = i; j < num_pages; j++) { ret = bio_add_page(bio, block_ctx->pagev[j], @@ -2922,7 +2922,6 @@ int btrfsic_submit_bh(int op, int op_flags, struct buffer_head *bh) static void __btrfsic_submit_bio(struct bio *bio) { struct btrfsic_dev_state *dev_state; - int rw = bio->bi_rw; if (!btrfsic_is_initialized) return; @@ -2932,7 +2931,7 @@ static void __btrfsic_submit_bio(struct bio *bio) * btrfsic_mount(), this might return NULL */ dev_state = btrfsic_dev_state_lookup(bio->bi_bdev); if (NULL != dev_state && - (rw & WRITE) && NULL != bio->bi_io_vec) { + (bio->bi_op == REQ_OP_WRITE) && NULL != bio->bi_io_vec) { unsigned int i; u64 dev_bytenr; u64 cur_bytenr; @@ -2944,9 +2943,9 @@ static void __btrfsic_submit_bio(struct bio *bio) if (dev_state->state->print_mask & BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH) printk(KERN_INFO - "submit_bio(rw=0x%x, bi_vcnt=%u," + "submit_bio(rw=%d,0x%lx, bi_vcnt=%u," " bi_sector=%llu (bytenr %llu), bi_bdev=%p)\n", - rw, bio->bi_vcnt, + bio->bi_op, bio->bi_rw, bio->bi_vcnt, (unsigned long long)bio->bi_iter.bi_sector, dev_bytenr, bio->bi_bdev); @@ -2977,18 +2976,18 @@ static void __btrfsic_submit_bio(struct bio *bio) btrfsic_process_written_block(dev_state, dev_bytenr, mapped_datav, bio->bi_vcnt, bio, &bio_is_patched, - NULL, rw); + NULL, bio->bi_rw); while (i > 0) { i--; kunmap(bio->bi_io_vec[i].bv_page); } kfree(mapped_datav); - } else if (NULL != dev_state && (rw & REQ_FLUSH)) { + } else if (NULL != dev_state && (bio->bi_rw & REQ_FLUSH)) { if (dev_state->state->print_mask & BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH) printk(KERN_INFO - "submit_bio(rw=0x%x FLUSH, bdev=%p)\n", - rw, bio->bi_bdev); + "submit_bio(rw=%d,0x%lx FLUSH, bdev=%p)\n", + bio->bi_op, bio->bi_rw, bio->bi_bdev); if (!dev_state->dummy_block_for_bio_bh_flush.is_iodone) { if ((dev_state->state->print_mask & (BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH | @@ -3006,7 +3005,7 @@ static void __btrfsic_submit_bio(struct bio *bio) block->never_written = 0; block->iodone_w_error = 0; block->flush_gen = dev_state->last_flush_gen + 1; - block->submit_bio_bh_rw = rw; + block->submit_bio_bh_rw = bio->bi_rw; block->orig_bio_bh_private = bio->bi_private; block->orig_bio_bh_end_io.bio = bio->bi_end_io; block->next_in_same_bio = NULL; diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index ff61a41..334a00c 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -363,6 +363,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, kfree(cb); return -ENOMEM; } + bio->bi_op = REQ_OP_WRITE; bio->bi_private = cb; bio->bi_end_io = end_compressed_bio_write; atomic_inc(&cb->pending_bios); @@ -408,6 +409,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, bio = compressed_bio_alloc(bdev, first_byte, GFP_NOFS); BUG_ON(!bio); + bio->bi_op = REQ_OP_WRITE; bio->bi_private = cb; bio->bi_end_io = end_compressed_bio_write; bio_add_page(bio, page, PAGE_SIZE, 0); @@ -646,6 +648,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, comp_bio = compressed_bio_alloc(bdev, cur_disk_byte, GFP_NOFS); if (!comp_bio) goto fail2; + comp_bio->bi_op = REQ_OP_READ; comp_bio->bi_private = cb; comp_bio->bi_end_io = end_compressed_bio_read; atomic_inc(&cb->pending_bios); @@ -699,6 +702,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, comp_bio = compressed_bio_alloc(bdev, cur_disk_byte, GFP_NOFS); BUG_ON(!comp_bio); + comp_bio->bi_op = REQ_OP_READ; comp_bio->bi_private = cb; comp_bio->bi_end_io = end_compressed_bio_read; diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 9a13c85..932268b 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -727,7 +727,7 @@ static void end_workqueue_bio(struct bio *bio) fs_info = end_io_wq->info; end_io_wq->error = bio->bi_error; - if (bio->bi_rw & REQ_WRITE) { + if (bio->bi_op == REQ_OP_WRITE) { if (end_io_wq->metadata == BTRFS_WQ_ENDIO_METADATA) { wq = fs_info->endio_meta_write_workers; func = btrfs_endio_meta_write_helper; @@ -873,7 +873,7 @@ int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode, atomic_inc(&fs_info->nr_async_submits); - if (rw & REQ_SYNC) + if (bio->bi_rw & REQ_SYNC) btrfs_set_work_high_priority(&async->work); btrfs_queue_work(fs_info->workers, &async->work); @@ -951,7 +951,7 @@ static int btree_submit_bio_hook(struct inode *inode, int rw, struct bio *bio, int async = check_async_write(inode, bio_flags); int ret; - if (!(rw & REQ_WRITE)) { + if (bio->bi_op != REQ_OP_WRITE) { /* * called for a read, do the setup so that checksum validation * can happen in the async kernel threads @@ -3476,6 +3476,7 @@ 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_op = REQ_OP_WRITE; bio->bi_rw = WRITE_FLUSH; init_completion(&device->flush_wait); bio->bi_private = &device->flush_wait; diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index d999fdf..f693490 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -1894,7 +1894,7 @@ static int btrfs_submit_bio_hook(struct inode *inode, int rw, struct bio *bio, if (btrfs_is_free_space_inode(inode)) metadata = BTRFS_WQ_ENDIO_FREE_SPACE; - if (!(rw & REQ_WRITE)) { + if (bio->bi_op != REQ_OP_WRITE) { ret = btrfs_bio_wq_end_io(root->fs_info, bio, metadata); if (ret) goto out; @@ -7751,7 +7751,7 @@ static inline int submit_dio_repair_bio(struct inode *inode, struct bio *bio, struct btrfs_root *root = BTRFS_I(inode)->root; int ret; - BUG_ON(rw & REQ_WRITE); + BUG_ON(bio->bi_op == REQ_OP_WRITE); bio_get(bio); @@ -7811,7 +7811,7 @@ static int dio_read_error(struct inode *inode, struct bio *failed_bio, int read_mode; int ret; - BUG_ON(failed_bio->bi_rw & REQ_WRITE); + BUG_ON(failed_bio->bi_op == REQ_OP_WRITE); ret = btrfs_get_io_failure_record(inode, start, end, &failrec); if (ret) @@ -7839,6 +7839,8 @@ static int dio_read_error(struct inode *inode, struct bio *failed_bio, free_io_failure(inode, failrec); return -EIO; } + bio->bi_op = REQ_OP_READ; + bio->bi_rw = read_mode; btrfs_debug(BTRFS_I(inode)->root->fs_info, "Repair DIO Read Error: submitting new dio read[%#x] to this_mirror=%d, in_validation=%d\n", @@ -8153,8 +8155,8 @@ static void btrfs_end_dio_bio(struct bio *bio) if (err) btrfs_warn(BTRFS_I(dip->inode)->root->fs_info, - "direct IO failed ino %llu rw %lu sector %#Lx len %u err no %d", - btrfs_ino(dip->inode), bio->bi_rw, + "direct IO failed ino %llu rw %d,%lu sector %#Lx len %u err no %d", + btrfs_ino(dip->inode), bio->bi_op, bio->bi_rw, (unsigned long long)bio->bi_iter.bi_sector, bio->bi_iter.bi_size, err); @@ -8232,7 +8234,7 @@ static inline int __btrfs_submit_dio_bio(struct bio *bio, struct inode *inode, int async_submit) { struct btrfs_dio_private *dip = bio->bi_private; - int write = rw & REQ_WRITE; + bool write = bio->bi_op == REQ_OP_WRITE; struct btrfs_root *root = BTRFS_I(inode)->root; int ret; @@ -8319,6 +8321,8 @@ static int btrfs_submit_direct_hook(int rw, struct btrfs_dio_private *dip, if (!bio) return -ENOMEM; + bio->bi_op = orig_bio->bi_op; + bio->bi_rw = orig_bio->bi_rw; bio->bi_private = dip; bio->bi_end_io = btrfs_end_dio_bio; btrfs_io_bio(bio)->logical = file_offset; @@ -8356,12 +8360,14 @@ next_block: start_sector, GFP_NOFS); if (!bio) goto out_err; + bio->bi_op = orig_bio->bi_op; + bio->bi_rw = orig_bio->bi_rw; bio->bi_private = dip; bio->bi_end_io = btrfs_end_dio_bio; btrfs_io_bio(bio)->logical = file_offset; map_length = orig_bio->bi_iter.bi_size; - ret = btrfs_map_block(root->fs_info, rw, + ret = btrfs_map_block(root->fs_info, orig_bio->bi_op, start_sector << 9, &map_length, NULL, 0); if (ret) { diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index 439d7eb..dea2dd9 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -1320,7 +1320,7 @@ write_data: bio->bi_private = rbio; bio->bi_end_io = raid_write_end_io; - bio->bi_rw = WRITE; + bio->bi_op = REQ_OP_WRITE; submit_bio(bio); } @@ -1575,7 +1575,7 @@ 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; + bio->bi_op = REQ_OP_READ; btrfs_bio_wq_end_io(rbio->fs_info, bio, BTRFS_WQ_ENDIO_RAID56); @@ -2100,7 +2100,7 @@ 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; + bio->bi_op = REQ_OP_READ; btrfs_bio_wq_end_io(rbio->fs_info, bio, BTRFS_WQ_ENDIO_RAID56); @@ -2437,7 +2437,7 @@ submit_write: bio->bi_private = rbio; bio->bi_end_io = raid_write_end_io; - bio->bi_rw = WRITE; + bio->bi_op = REQ_OP_WRITE; submit_bio(bio); } @@ -2616,7 +2616,7 @@ 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; + bio->bi_op = REQ_OP_READ; btrfs_bio_wq_end_io(rbio->fs_info, bio, BTRFS_WQ_ENDIO_RAID56); diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 184cb57..155b547 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -1504,7 +1504,7 @@ 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; + bio->bi_op = REQ_OP_READ; if (btrfsic_submit_bio_wait(bio)) sblock->no_io_error_seen = 0; @@ -1584,7 +1584,7 @@ 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; + bio->bi_op = REQ_OP_WRITE; ret = bio_add_page(bio, page_good->page, PAGE_SIZE, 0); if (PAGE_SIZE != ret) { @@ -1686,7 +1686,7 @@ 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; + bio->bi_op = REQ_OP_WRITE; sbio->err = 0; } else if (sbio->physical + sbio->page_count * PAGE_SIZE != spage->physical_for_dev_replace || @@ -2091,7 +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; + bio->bi_op = REQ_OP_READ; sbio->err = 0; } else if (sbio->physical + sbio->page_count * PAGE_SIZE != spage->physical || @@ -4393,6 +4393,7 @@ 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_op = REQ_OP_WRITE; bio->bi_rw = WRITE_SYNC; ret = bio_add_page(bio, page, PAGE_SIZE, 0); if (ret != PAGE_SIZE) { diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 318215d..96fdf4b 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -5884,7 +5884,7 @@ static void btrfs_end_bio(struct bio *bio) BUG_ON(stripe_index >= bbio->num_stripes); dev = bbio->stripes[stripe_index].dev; if (dev->bdev) { - if (bio->bi_rw & WRITE) + if (bio->bi_op == REQ_OP_WRITE) btrfs_dev_stat_inc(dev, BTRFS_DEV_STAT_WRITE_ERRS); else @@ -5949,7 +5949,7 @@ static noinline void btrfs_schedule_bio(struct btrfs_root *root, } /* don't bother with additional async steps for reads, right now */ - if (!(bio->bi_rw & REQ_WRITE)) { + if (bio->bi_op == REQ_OP_READ) { bio_get(bio); btrfsic_submit_bio(bio); bio_put(bio); @@ -5998,15 +5998,14 @@ 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; rcu_read_lock(); name = rcu_dereference(dev->name); - pr_debug("btrfs_map_bio: rw %d, sector=%llu, dev=%lu " - "(%s id %llu), size=%u\n", rw, + pr_debug("btrfs_map_bio: rw %d 0x%x, sector=%llu, dev=%lu " + "(%s id %llu), size=%u\n", bio->bi_op, bio->bi_rw, (u64)bio->bi_iter.bi_sector, (u_long)dev->bdev->bd_dev, name->str, dev->devid, bio->bi_iter.bi_size); rcu_read_unlock(); @@ -6053,8 +6052,8 @@ int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio, map_length = length; btrfs_bio_counter_inc_blocked(root->fs_info); - ret = __btrfs_map_block(root->fs_info, rw, logical, &map_length, &bbio, - mirror_num, 1); + ret = __btrfs_map_block(root->fs_info, bio->bi_op, logical, + &map_length, &bbio, mirror_num, 1); if (ret) { btrfs_bio_counter_dec(root->fs_info); return ret; @@ -6068,10 +6067,10 @@ int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio, atomic_set(&bbio->stripes_pending, bbio->num_stripes); if ((bbio->map_type & BTRFS_BLOCK_GROUP_RAID56_MASK) && - ((rw & WRITE) || (mirror_num > 1))) { + ((bio->bi_op == REQ_OP_WRITE) || (mirror_num > 1))) { /* In this case, map_length has been set to the length of a single stripe; not the whole write */ - if (rw & WRITE) { + if (bio->bi_op == REQ_OP_WRITE) { ret = raid56_parity_write(root, bio, bbio, map_length); } else { ret = raid56_parity_recover(root, bio, bbio, map_length, @@ -6090,7 +6089,8 @@ int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio, for (dev_nr = 0; dev_nr < total_devs; dev_nr++) { dev = bbio->stripes[dev_nr].dev; - if (!dev || !dev->bdev || (rw & WRITE && !dev->writeable)) { + if (!dev || !dev->bdev || + (bio->bi_op == REQ_OP_WRITE && !dev->writeable)) { bbio_error(bbio, first_bio, logical); continue; }