[RFC,14/18] fs: set bio iopriority field

Message ID	20190501042831.5313-15-chaitanya.kulkarni@wdc.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <linux-block-owner@kernel.org> IronPort-SDR: hxmDLNYFiY3FnAPhzy0KBbchkg2Lf9ztpppyXzMQ6dJD7QfcJOhrW1Xkh0wqlVdjnOMtZRCHF+ vnQrL1K9CVMyCZ35nVNDUh9P3KAU2KlRug+z9QhIJtU1Uar9XfqSd2JHLcT4oApAn82GsUt63c jhZl2k0ISM7leXiqtHpwrvzdlupqkiMKw0eQOMPTjV+yIEaUe1un2Z1T5Ym9pnzUAOlX/rbr4f spGiIkRjhLvtxy0cvJ8hq8bvPumH9II4jiAl0I/gDutsPJZNMhUUx/4MO/ahH8okD+LSHFQbq9 1+uzAtrximU/geH7JgdLrG1s IronPort-SDR: PYaY8OwWBgQXoinb6D1myr4ucy4c0SX/SIsu6mPulBYHUpzWBmO7zsGkMY5UZS3qrI9QSt9add RgMsyJvrgxWiq01D9uJguOef2kP/NSil32e+PNglvvHXGP+fTKDi6qxahM0I1mz1UBL4OL73uJ YyQg2tTR16M4AomLZ0FvMhjjgZSTSw86JtXYuguZilL2HzJQ/3CkagqLlRjORk4Bdtg6nDI+dZ PiGyL6L9U7IkkkgznuxSWGqQBOQGEziOX4/P6JxtswC9bHemrueEFeLauuHVBq/dhUEIy9mIUF TKY= From: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> To: linux-block@vger.kernel.org Cc: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Subject: [RFC PATCH 14/18] fs: set bio iopriority field Date: Tue, 30 Apr 2019 21:28:27 -0700 Message-Id: <20190501042831.5313-15-chaitanya.kulkarni@wdc.com> In-Reply-To: <20190501042831.5313-1-chaitanya.kulkarni@wdc.com> References: <20190501042831.5313-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-block-owner@vger.kernel.org Precedence: bulk
Series	blktrace: add blktrace extension support \| expand [RFC,00/18] blktrace: add blktrace extension support [RFC,01/18] blktrace: increase the size of action mask [RFC,02/18] blktrace: add more definitions for BLK_TC_ACT [RFC,03/18] blktrace: update trace to track more actions [RFC,04/18] kernel/trace: add KConfig to enable blktrace_ext [RFC,05/18] blktrace: add iopriority mask [RFC,06/18] blktrace: add iopriority mask [RFC,07/18] blktrace: allow user to track iopriority [RFC,08/18] blktrace: add sysfs ioprio mask [RFC,09/18] blktrace: add debug support for extension [RFC,10/18] block: set ioprio for write-zeroes, discard etc [RFC,11/18] block: set ioprio for zone-reset [RFC,12/18] block: set ioprio for flush bio [RFC,13/18] drivers: set bio iopriority field [RFC,14/18] fs: set bio iopriority field [RFC,15/18] power/swap: set bio iopriority field [RFC,16/18] mm: set bio iopriority field [RFC,17/18] null_blk: add write-zeroes flag to nullb_device [RFC,18/18] null_blk: add module param discard/write-zeroes

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 6fe9197f6ee4..28e147b78b25 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -19,6 +19,7 @@ #include <linux/crc32c.h> #include <linux/sched/mm.h> #include <asm/unaligned.h> +#include <linux/ioprio.h> #include "ctree.h" #include "disk-io.h" #include "transaction.h" @@ -3603,6 +3604,7 @@ static void write_dev_flush(struct btrfs_device *device) bio_reset(bio); bio->bi_end_io = btrfs_end_empty_barrier; bio_set_dev(bio, device->bdev); + bio_set_prio(bio, get_current_ioprio()); bio->bi_opf = REQ_OP_WRITE | REQ_SYNC | REQ_PREFLUSH; init_completion(&device->flush_wait); bio->bi_private = &device->flush_wait; diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index ca8b8e785cf3..b0689a8aade0 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -13,6 +13,7 @@ #include <linux/pagevec.h> #include <linux/prefetch.h> #include <linux/cleancache.h> +#include <linux/ioprio.h> #include "extent_io.h" #include "extent_map.h" #include "ctree.h" @@ -160,6 +161,7 @@ static int __must_check submit_one_bio(struct bio *bio, int mirror_num, start = page_offset(bv.bv_page) + bv.bv_offset; bio->bi_private = NULL; + bio_set_prio(bio, get_current_ioprio()); if (tree->ops) ret = tree->ops->submit_bio_hook(tree->private_data, bio, @@ -2043,6 +2045,7 @@ int repair_io_failure(struct btrfs_fs_info *fs_info, u64 ino, u64 start, bio_set_dev(bio, dev->bdev); bio->bi_opf = REQ_OP_WRITE | REQ_SYNC; bio_add_page(bio, page, length, pg_offset); + bio_set_prio(bio, get_current_ioprio()); if (btrfsic_submit_bio_wait(bio)) { /* try to remap that extent elsewhere? */ diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index 67a6f7d47402..77211e45b11c 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -13,6 +13,7 @@ #include <linux/list_sort.h> #include <linux/raid/xor.h> #include <linux/mm.h> +#include <linux/ioprio.h> #include "ctree.h" #include "disk-io.h" #include "volumes.h" @@ -1324,6 +1325,7 @@ static noinline void finish_rmw(struct btrfs_raid_bio *rbio) bio->bi_private = rbio; bio->bi_end_io = raid_write_end_io; bio->bi_opf = REQ_OP_WRITE; + bio_set_prio(bio, get_current_ioprio()); submit_bio(bio); } @@ -1567,6 +1569,7 @@ static int raid56_rmw_stripe(struct btrfs_raid_bio *rbio) bio->bi_private = rbio; bio->bi_end_io = raid_rmw_end_io; bio->bi_opf = REQ_OP_READ; + bio_set_prio(bio, get_current_ioprio()); btrfs_bio_wq_end_io(rbio->fs_info, bio, BTRFS_WQ_ENDIO_RAID56); @@ -2114,6 +2117,7 @@ static int __raid56_parity_recover(struct btrfs_raid_bio *rbio) bio->bi_private = rbio; bio->bi_end_io = raid_recover_end_io; bio->bi_opf = REQ_OP_READ; + bio_set_prio(bio, get_current_ioprio()); btrfs_bio_wq_end_io(rbio->fs_info, bio, BTRFS_WQ_ENDIO_RAID56); @@ -2487,6 +2491,7 @@ static noinline void finish_parity_scrub(struct btrfs_raid_bio *rbio, bio->bi_private = rbio; bio->bi_end_io = raid_write_end_io; bio->bi_opf = REQ_OP_WRITE; + bio_set_prio(bio, get_current_ioprio()); submit_bio(bio); } @@ -2669,6 +2674,7 @@ 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_opf = REQ_OP_READ; + bio_set_prio(bio, get_current_ioprio()); 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 a99588536c79..b0be49a6a87a 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -1485,6 +1485,7 @@ static void scrub_recheck_block(struct btrfs_fs_info *fs_info, WARN_ON(!page->page); bio = btrfs_io_bio_alloc(1); bio_set_dev(bio, page->dev->bdev); + bio_set_prio(bio, get_current_ioprio()); bio_add_page(bio, page->page, PAGE_SIZE, 0); bio->bi_iter.bi_sector = page->physical >> 9; @@ -2058,6 +2059,7 @@ static int scrub_add_page_to_rd_bio(struct scrub_ctx *sctx, bio->bi_private = sbio; bio->bi_end_io = scrub_bio_end_io; bio_set_dev(bio, sbio->dev->bdev); + bio_set_prio(bio, get_current_ioprio()); bio->bi_iter.bi_sector = sbio->physical >> 9; bio->bi_opf = REQ_OP_READ; sbio->status = 0; diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index db934ceae9c1..ea95c719aa11 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -14,6 +14,7 @@ #include <linux/semaphore.h> #include <linux/uuid.h> #include <linux/list_sort.h> +#include <linux/ioprio.h> #include "ctree.h" #include "extent_map.h" #include "disk-io.h" @@ -641,6 +642,7 @@ static noinline void run_scheduled_bios(struct btrfs_device *device) sync_pending = 0; } + bio_set_prio(cur, get_current_ioprio()); btrfsic_submit_bio(cur); num_run++; batch_run++; @@ -6499,6 +6501,7 @@ static void submit_stripe_bio(struct btrfs_bio *bbio, struct bio *bio, struct btrfs_fs_info *fs_info = bbio->fs_info; bio->bi_private = bbio; + bio_set_prio(bio, get_current_ioprio()); btrfs_io_bio(bio)->stripe_index = dev_nr; bio->bi_end_io = btrfs_end_bio; bio->bi_iter.bi_sector = physical >> 9; diff --git a/fs/buffer.c b/fs/buffer.c index ce357602f471..a172f032b739 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -44,6 +44,7 @@ #include <linux/mpage.h> #include <linux/bit_spinlock.h> #include <linux/pagevec.h> +#include <linux/ioprio.h> #include <linux/sched/mm.h> #include <trace/events/block.h> @@ -3089,6 +3090,7 @@ static int submit_bh_wbc(int op, int op_flags, struct buffer_head *bh, if (buffer_prio(bh)) op_flags |= REQ_PRIO; bio_set_op_attrs(bio, op, op_flags); + bio_set_prio(bio, get_current_ioprio()); if (wbc) { wbc_init_bio(wbc, bio); diff --git a/fs/crypto/bio.c b/fs/crypto/bio.c index 5759bcd018cd..75b2284e03cb 100644 --- a/fs/crypto/bio.c +++ b/fs/crypto/bio.c @@ -24,6 +24,7 @@ #include <linux/module.h> #include <linux/bio.h> #include <linux/namei.h> +#include <linux/ioprio.h> #include "fscrypt_private.h" static void __fscrypt_decrypt_bio(struct bio *bio, bool done) @@ -139,6 +140,8 @@ int fscrypt_zeroout_range(const struct inode *inode, pgoff_t lblk, err = -EIO; goto errout; } + + bio_set_prio(bio, get_current_ioprio()); err = submit_bio_wait(bio); if (err == 0 && bio->bi_status) err = -EIO; diff --git a/fs/direct-io.c b/fs/direct-io.c index 9bb015bc4a83..744e5ca35def 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -37,6 +37,7 @@ #include <linux/uio.h> #include <linux/atomic.h> #include <linux/prefetch.h> +#include <linux/ioprio.h> /* * How many user pages to map in one call to get_user_pages(). This determines @@ -440,6 +441,7 @@ dio_bio_alloc(struct dio *dio, struct dio_submit *sdio, bio_set_dev(bio, bdev); bio->bi_iter.bi_sector = first_sector; bio_set_op_attrs(bio, dio->op, dio->op_flags); + bio_set_prio(bio, get_current_ioprio()); if (dio->is_async) bio->bi_end_io = dio_bio_end_aio; else diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index 3e9298e6a705..7c9857c276aa 100644 --- a/fs/ext4/page-io.c +++ b/fs/ext4/page-io.c @@ -25,6 +25,7 @@ #include <linux/slab.h> #include <linux/mm.h> #include <linux/backing-dev.h> +#include <linux/ioprio.h> #include "ext4_jbd2.h" #include "xattr.h" @@ -382,6 +383,7 @@ static int io_submit_init_bio(struct ext4_io_submit *io, io->io_bio = bio; io->io_next_block = bh->b_blocknr; wbc_init_bio(io->io_wbc, bio); + bio_set_prio(bio, get_current_ioprio()); return 0; } diff --git a/fs/ext4/readpage.c b/fs/ext4/readpage.c index 3adadf461825..243ca2a33171 100644 --- a/fs/ext4/readpage.c +++ b/fs/ext4/readpage.c @@ -261,6 +261,7 @@ int ext4_mpage_readpages(struct address_space *mapping, bio->bi_private = ctx; bio_set_op_attrs(bio, REQ_OP_READ, is_readahead ? REQ_RAHEAD : 0); + bio_set_prio(bio, get_current_ioprio()); } length = first_hole << blkbits; diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 9727944139f2..c0050a6e0723 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -18,6 +18,7 @@ #include <linux/uio.h> #include <linux/cleancache.h> #include <linux/sched/signal.h> +#include <linux/ioprio.h> #include "f2fs.h" #include "node.h" @@ -276,6 +277,7 @@ static struct bio *__bio_alloc(struct f2fs_sb_info *sbi, block_t blk_addr, if (wbc) wbc_init_bio(wbc, bio); + bio_set_prio(bio, get_current_ioprio()); return bio; } @@ -569,6 +571,7 @@ static struct bio *f2fs_grab_read_bio(struct inode *inode, block_t blkaddr, f2fs_target_device(sbi, blkaddr, bio); bio->bi_end_io = f2fs_read_end_io; bio_set_op_attrs(bio, REQ_OP_READ, op_flag); + bio_set_prio(bio, get_current_ioprio()); if (f2fs_encrypted_file(inode)) post_read_steps |= 1 << STEP_DECRYPT; diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index aa7fe79b62b2..d1b67ff8ce66 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -567,6 +567,7 @@ static int __submit_flush_wait(struct f2fs_sb_info *sbi, bio->bi_opf = REQ_OP_WRITE | REQ_SYNC | REQ_PREFLUSH; bio_set_dev(bio, bdev); + bio_set_prio(bio, get_current_ioprio()); ret = submit_bio_wait(bio); bio_put(bio); diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c index 8722c60b11fe..fd9752209be6 100644 --- a/fs/gfs2/lops.c +++ b/fs/gfs2/lops.c @@ -17,6 +17,7 @@ #include <linux/bio.h> #include <linux/fs.h> #include <linux/list_sort.h> +#include <linux/ioprio.h> #include "dir.h" #include "gfs2.h" @@ -272,6 +273,7 @@ static struct bio *gfs2_log_alloc_bio(struct gfs2_sbd *sdp, u64 blkno, bio_set_dev(bio, sb->s_bdev); bio->bi_end_io = end_io; bio->bi_private = sdp; + bio_set_prio(bio, get_current_ioprio()); return bio; } diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c index 3201342404a7..9502b808c78c 100644 --- a/fs/gfs2/meta_io.c +++ b/fs/gfs2/meta_io.c @@ -19,6 +19,7 @@ #include <linux/delay.h> #include <linux/bio.h> #include <linux/gfs2_ondisk.h> +#include <linux/ioprio.h> #include "gfs2.h" #include "incore.h" @@ -234,6 +235,7 @@ static void gfs2_submit_bhs(int op, int op_flags, struct buffer_head *bhs[], } bio->bi_end_io = gfs2_meta_read_endio; bio_set_op_attrs(bio, op, op_flags); + bio_set_prio(bio, get_current_ioprio()); submit_bio(bio); } } diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index b041cb8ae383..a7aa38456f31 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -24,6 +24,7 @@ #include <linux/lockdep.h> #include <linux/module.h> #include <linux/backing-dev.h> +#include <linux/ioprio.h> #include "gfs2.h" #include "incore.h" @@ -248,6 +249,7 @@ 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; bio_set_op_attrs(bio, REQ_OP_READ, REQ_META); + bio_set_prio(bio, get_current_ioprio()); submit_bio(bio); wait_on_page_locked(page); bio_put(bio); diff --git a/fs/hfsplus/wrapper.c b/fs/hfsplus/wrapper.c index 08c1580bdf7a..b04eae16cf53 100644 --- a/fs/hfsplus/wrapper.c +++ b/fs/hfsplus/wrapper.c @@ -14,6 +14,7 @@ #include <linux/cdrom.h> #include <linux/genhd.h> #include <asm/unaligned.h> +#include <linux/ioprio.h> #include "hfsplus_fs.h" #include "hfsplus_raw.h" @@ -68,6 +69,7 @@ int hfsplus_submit_bio(struct super_block *sb, sector_t sector, bio->bi_iter.bi_sector = sector; bio_set_dev(bio, sb->s_bdev); bio_set_op_attrs(bio, op, op_flags); + bio_set_prio(bio, get_current_ioprio()); if (op != WRITE && data) *data = (u8 *)buf + offset; diff --git a/fs/iomap.c b/fs/iomap.c index abdd18e404f8..47ca9a4fe427 100644 --- a/fs/iomap.c +++ b/fs/iomap.c @@ -30,6 +30,7 @@ #include <linux/task_io_accounting_ops.h> #include <linux/dax.h> #include <linux/sched/signal.h> +#include <linux/ioprio.h> #include "internal.h" @@ -1618,6 +1619,7 @@ iomap_dio_zero(struct iomap_dio *dio, struct iomap *iomap, loff_t pos, get_page(page); __bio_add_page(bio, page, len, 0); bio_set_op_attrs(bio, REQ_OP_WRITE, flags); + bio_set_prio(bio, get_current_ioprio()); iomap_dio_submit_bio(dio, iomap, bio); } diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c index 6b68df395892..2311868160a2 100644 --- a/fs/jfs/jfs_logmgr.c +++ b/fs/jfs/jfs_logmgr.c @@ -72,6 +72,7 @@ #include <linux/mutex.h> #include <linux/seq_file.h> #include <linux/slab.h> +#include <linux/ioprio.h> #include "jfs_incore.h" #include "jfs_filsys.h" #include "jfs_metapage.h" @@ -1996,6 +1997,7 @@ static int lbmRead(struct jfs_log * log, int pn, struct lbuf ** bpp) bio->bi_iter.bi_sector = bp->l_blkno << (log->l2bsize - 9); bio_set_dev(bio, log->bdev); + bio_set_prio(bio, get_current_ioprio()); bio_add_page(bio, bp->l_page, LOGPSIZE, bp->l_offset); BUG_ON(bio->bi_iter.bi_size != LOGPSIZE); @@ -2140,6 +2142,7 @@ static void lbmStartIO(struct lbuf * bp) bio = bio_alloc(GFP_NOFS, 1); bio->bi_iter.bi_sector = bp->l_blkno << (log->l2bsize - 9); bio_set_dev(bio, log->bdev); + bio_set_prio(bio, get_current_ioprio()); bio_add_page(bio, bp->l_page, LOGPSIZE, bp->l_offset); BUG_ON(bio->bi_iter.bi_size != LOGPSIZE); diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c index fa2c6824c7f2..021841273a25 100644 --- a/fs/jfs/jfs_metapage.c +++ b/fs/jfs/jfs_metapage.c @@ -26,6 +26,7 @@ #include <linux/buffer_head.h> #include <linux/mempool.h> #include <linux/seq_file.h> +#include <linux/ioprio.h> #include "jfs_incore.h" #include "jfs_superblock.h" #include "jfs_filsys.h" @@ -435,6 +436,7 @@ static int metapage_writepage(struct page *page, struct writeback_control *wbc) bio->bi_end_io = metapage_write_end_io; bio->bi_private = page; bio_set_op_attrs(bio, REQ_OP_WRITE, 0); + bio_set_prio(bio, get_current_ioprio()); /* Don't call bio_add_page yet, we may add to this vec */ bio_offset = offset; @@ -516,6 +518,7 @@ static int metapage_readpage(struct file *fp, struct page *page) bio->bi_end_io = metapage_read_end_io; bio->bi_private = page; bio_set_op_attrs(bio, REQ_OP_READ, 0); + bio_set_prio(bio, get_current_ioprio()); len = xlen << inode->i_blkbits; offset = block_offset << inode->i_blkbits; if (bio_add_page(bio, page, len, offset) < len) diff --git a/fs/mpage.c b/fs/mpage.c index 3f19da75178b..766be568395a 100644 --- a/fs/mpage.c +++ b/fs/mpage.c @@ -87,6 +87,7 @@ mpage_alloc(struct block_device *bdev, if (bio) { bio_set_dev(bio, bdev); bio->bi_iter.bi_sector = first_sector; + bio_set_prio(bio, get_current_ioprio()); } return bio; } diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c index 690221747b47..ccec9bfad963 100644 --- a/fs/nfs/blocklayout/blocklayout.c +++ b/fs/nfs/blocklayout/blocklayout.c @@ -37,6 +37,7 @@ #include <linux/bio.h> /* struct bio */ #include <linux/prefetch.h> #include <linux/pagevec.h> +#include <linux/ioprio.h> #include "../pnfs.h" #include "../nfs4session.h" @@ -133,6 +134,7 @@ bl_alloc_init_bio(int npg, struct block_device *bdev, sector_t disk_sector, bio_set_dev(bio, bdev); bio->bi_end_io = end_io; bio->bi_private = par; + bio_set_prio(bio, get_current_ioprio()); } return bio; } diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c index 20c479b5e41b..8632bbb1c620 100644 --- a/fs/nilfs2/segbuf.c +++ b/fs/nilfs2/segbuf.c @@ -13,6 +13,7 @@ #include <linux/crc32.h> #include <linux/backing-dev.h> #include <linux/slab.h> +#include <linux/ioprio.h> #include "page.h" #include "segbuf.h" @@ -394,6 +395,7 @@ static struct bio *nilfs_alloc_seg_bio(struct the_nilfs *nilfs, sector_t start, bio_set_dev(bio, nilfs->ns_bdev); bio->bi_iter.bi_sector = start << (nilfs->ns_blocksize_bits - 9); + bio_set_prio(bio, get_current_ioprio()); } return bio; } diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c index f3c20b279eb2..38b6a8799613 100644 --- a/fs/ocfs2/cluster/heartbeat.c +++ b/fs/ocfs2/cluster/heartbeat.c @@ -37,6 +37,7 @@ #include <linux/slab.h> #include <linux/bitmap.h> #include <linux/ktime.h> +#include <linux/ioprio.h> #include "heartbeat.h" #include "tcp.h" #include "nodemanager.h" @@ -557,6 +558,7 @@ static struct bio *o2hb_setup_one_bio(struct o2hb_region *reg, bio->bi_private = wc; bio->bi_end_io = o2hb_bio_end_io; bio_set_op_attrs(bio, op, op_flags); + bio_set_prio(bio, get_current_ioprio()); vec_start = (cs << bits) % PAGE_SIZE; while(cs < max_slots) { diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 3619e9e8d359..30a27c386ff0 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -22,6 +22,7 @@ #include "xfs_bmap_btree.h" #include "xfs_reflink.h" #include <linux/writeback.h> +#include <linux/ioprio.h> /* * structure owned by writepages passed to individual writepage calls @@ -597,6 +598,7 @@ xfs_alloc_ioend( INIT_WORK(&ioend->io_work, xfs_end_io); ioend->io_append_trans = NULL; ioend->io_bio = bio; + bio_set_prio(bio, get_current_ioprio()); return ioend; } @@ -620,6 +622,7 @@ xfs_chain_bio( bio_set_dev(new, bdev); new->bi_iter.bi_sector = sector; bio_chain(ioend->io_bio, new); + bio_set_prio(new, get_current_ioprio()); bio_get(ioend->io_bio); /* for xfs_destroy_ioend */ ioend->io_bio->bi_opf = REQ_OP_WRITE | wbc_to_write_flags(wbc); ioend->io_bio->bi_write_hint = ioend->io_inode->i_write_hint; diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 548344e25128..2a91b4414e84 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -21,6 +21,7 @@ #include <linux/migrate.h> #include <linux/backing-dev.h> #include <linux/freezer.h> +#include <linux/ioprio.h> #include "xfs_format.h" #include "xfs_log_format.h" @@ -1381,6 +1382,7 @@ xfs_buf_ioapply_map( bio->bi_end_io = xfs_buf_bio_end_io; bio->bi_private = bp; bio_set_op_attrs(bio, op, op_flags); + bio_set_prio(bio, get_current_ioprio()); for (; size && nr_pages; nr_pages--, page_index++) { int rbytes, nbytes = PAGE_SIZE - offset;

[RFC,14/18] fs: set bio iopriority field

Commit Message

Patch