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-rw-r--r--Documentation/block/biodoc.txt7
-rw-r--r--Documentation/block/biovecs.txt111
-rw-r--r--arch/m68k/emu/nfblock.c13
-rw-r--r--arch/powerpc/sysdev/axonram.c21
-rw-r--r--arch/xtensa/platforms/iss/simdisk.c14
-rw-r--r--block/blk-core.c61
-rw-r--r--block/blk-exec.c4
-rw-r--r--block/blk-flush.c2
-rw-r--r--block/blk-integrity.c40
-rw-r--r--block/blk-lib.c12
-rw-r--r--block/blk-map.c6
-rw-r--r--block/blk-merge.c66
-rw-r--r--block/blk-mq-cpu.c37
-rw-r--r--block/blk-mq.c123
-rw-r--r--block/blk-mq.h3
-rw-r--r--block/blk-sysfs.c1
-rw-r--r--block/blk-throttle.c14
-rw-r--r--block/cmdline-parser.c18
-rw-r--r--block/elevator.c2
-rw-r--r--block/scsi_ioctl.c6
-rw-r--r--drivers/block/aoe/aoe.h10
-rw-r--r--drivers/block/aoe/aoecmd.c153
-rw-r--r--drivers/block/brd.c16
-rw-r--r--drivers/block/drbd/drbd_actlog.c2
-rw-r--r--drivers/block/drbd/drbd_bitmap.c2
-rw-r--r--drivers/block/drbd/drbd_main.c27
-rw-r--r--drivers/block/drbd/drbd_receiver.c19
-rw-r--r--drivers/block/drbd/drbd_req.c6
-rw-r--r--drivers/block/drbd/drbd_req.h2
-rw-r--r--drivers/block/drbd/drbd_worker.c8
-rw-r--r--drivers/block/floppy.c16
-rw-r--r--drivers/block/loop.c27
-rw-r--r--drivers/block/mtip32xx/mtip32xx.c20
-rw-r--r--drivers/block/nbd.c14
-rw-r--r--drivers/block/nvme-core.c142
-rw-r--r--drivers/block/pktcdvd.c182
-rw-r--r--drivers/block/ps3disk.c17
-rw-r--r--drivers/block/ps3vram.c12
-rw-r--r--drivers/block/rbd.c91
-rw-r--r--drivers/block/rsxx/dev.c6
-rw-r--r--drivers/block/rsxx/dma.c15
-rw-r--r--drivers/block/umem.c53
-rw-r--r--drivers/block/xen-blkback/blkback.c2
-rw-r--r--drivers/block/xen-blkfront.c2
-rw-r--r--drivers/md/bcache/bcache.h2
-rw-r--r--drivers/md/bcache/btree.c8
-rw-r--r--drivers/md/bcache/debug.c21
-rw-r--r--drivers/md/bcache/io.c196
-rw-r--r--drivers/md/bcache/journal.c12
-rw-r--r--drivers/md/bcache/movinggc.c4
-rw-r--r--drivers/md/bcache/request.c131
-rw-r--r--drivers/md/bcache/super.c20
-rw-r--r--drivers/md/bcache/util.c4
-rw-r--r--drivers/md/bcache/writeback.c6
-rw-r--r--drivers/md/bcache/writeback.h2
-rw-r--r--drivers/md/dm-bio-record.h37
-rw-r--r--drivers/md/dm-bufio.c2
-rw-r--r--drivers/md/dm-cache-policy-mq.c4
-rw-r--r--drivers/md/dm-cache-target.c28
-rw-r--r--drivers/md/dm-crypt.c64
-rw-r--r--drivers/md/dm-delay.c7
-rw-r--r--drivers/md/dm-flakey.c7
-rw-r--r--drivers/md/dm-io.c37
-rw-r--r--drivers/md/dm-linear.c3
-rw-r--r--drivers/md/dm-raid1.c20
-rw-r--r--drivers/md/dm-region-hash.c3
-rw-r--r--drivers/md/dm-snap.c19
-rw-r--r--drivers/md/dm-stripe.c13
-rw-r--r--drivers/md/dm-switch.c4
-rw-r--r--drivers/md/dm-thin.c30
-rw-r--r--drivers/md/dm-verity.c62
-rw-r--r--drivers/md/dm.c189
-rw-r--r--drivers/md/faulty.c19
-rw-r--r--drivers/md/linear.c96
-rw-r--r--drivers/md/md.c12
-rw-r--r--drivers/md/multipath.c13
-rw-r--r--drivers/md/raid0.c79
-rw-r--r--drivers/md/raid1.c73
-rw-r--r--drivers/md/raid10.c194
-rw-r--r--drivers/md/raid5.c84
-rw-r--r--drivers/message/fusion/mptsas.c8
-rw-r--r--drivers/s390/block/dasd_diag.c10
-rw-r--r--drivers/s390/block/dasd_eckd.c48
-rw-r--r--drivers/s390/block/dasd_fba.c26
-rw-r--r--drivers/s390/block/dcssblk.c21
-rw-r--r--drivers/s390/block/scm_blk.c8
-rw-r--r--drivers/s390/block/scm_blk_cluster.c4
-rw-r--r--drivers/s390/block/xpram.c19
-rw-r--r--drivers/scsi/libsas/sas_expander.c8
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_transport.c41
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_transport.c39
-rw-r--r--drivers/scsi/osd/osd_initiator.c2
-rw-r--r--drivers/scsi/sd.c2
-rw-r--r--drivers/scsi/sd_dif.c30
-rw-r--r--drivers/staging/lustre/lustre/llite/lloop.c26
-rw-r--r--drivers/staging/zram/zram_drv.c33
-rw-r--r--drivers/target/target_core_iblock.c2
-rw-r--r--fs/bio-integrity.c170
-rw-r--r--fs/bio.c502
-rw-r--r--fs/btrfs/check-integrity.c8
-rw-r--r--fs/btrfs/compression.c27
-rw-r--r--fs/btrfs/disk-io.c13
-rw-r--r--fs/btrfs/extent_io.c49
-rw-r--r--fs/btrfs/file-item.c19
-rw-r--r--fs/btrfs/inode.c37
-rw-r--r--fs/btrfs/raid56.c22
-rw-r--r--fs/btrfs/scrub.c12
-rw-r--r--fs/btrfs/volumes.c19
-rw-r--r--fs/buffer.c12
-rw-r--r--fs/direct-io.c4
-rw-r--r--fs/ext4/page-io.c8
-rw-r--r--fs/f2fs/data.c35
-rw-r--r--fs/gfs2/lops.c2
-rw-r--r--fs/gfs2/ops_fstype.c2
-rw-r--r--fs/hfsplus/wrapper.c2
-rw-r--r--fs/jfs/jfs_logmgr.c12
-rw-r--r--fs/jfs/jfs_metapage.c9
-rw-r--r--fs/logfs/dev_bdev.c38
-rw-r--r--fs/mpage.c19
-rw-r--r--fs/nfs/blocklayout/blocklayout.c43
-rw-r--r--fs/nilfs2/segbuf.c3
-rw-r--r--fs/ocfs2/cluster/heartbeat.c2
-rw-r--r--fs/xfs/xfs_aops.c2
-rw-r--r--fs/xfs/xfs_buf.c4
-rw-r--r--include/linux/bio.h283
-rw-r--r--include/linux/blk-mq.h13
-rw-r--r--include/linux/blk_types.h24
-rw-r--r--include/linux/blkdev.h9
-rw-r--r--include/linux/ceph/messenger.h4
-rw-r--r--include/linux/cmdline-parser.h8
-rw-r--r--include/linux/dm-io.h4
-rw-r--r--include/trace/events/bcache.h26
-rw-r--r--include/trace/events/block.h26
-rw-r--r--include/trace/events/f2fs.h4
-rw-r--r--kernel/power/block_io.c2
-rw-r--r--kernel/trace/blktrace.c15
-rw-r--r--mm/bounce.c44
-rw-r--r--mm/page_io.c10
-rw-r--r--net/ceph/messenger.c43
139 files changed, 2144 insertions, 2683 deletions
diff --git a/Documentation/block/biodoc.txt b/Documentation/block/biodoc.txt
index 8df5e8e6dceb..2101e718670d 100644
--- a/Documentation/block/biodoc.txt
+++ b/Documentation/block/biodoc.txt
@@ -447,14 +447,13 @@ struct bio_vec {
* main unit of I/O for the block layer and lower layers (ie drivers)
*/
struct bio {
- sector_t bi_sector;
struct bio *bi_next; /* request queue link */
struct block_device *bi_bdev; /* target device */
unsigned long bi_flags; /* status, command, etc */
unsigned long bi_rw; /* low bits: r/w, high: priority */
unsigned int bi_vcnt; /* how may bio_vec's */
- unsigned int bi_idx; /* current index into bio_vec array */
+ struct bvec_iter bi_iter; /* current index into bio_vec array */
unsigned int bi_size; /* total size in bytes */
unsigned short bi_phys_segments; /* segments after physaddr coalesce*/
@@ -480,7 +479,7 @@ With this multipage bio design:
- Code that traverses the req list can find all the segments of a bio
by using rq_for_each_segment. This handles the fact