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Date: Tue, 15 Oct 2013 13:20:09 -0700
From: Kent Overstreet <kmo@...erainc.com>
To: Jens Axboe <axboe@...nel.dk>
Cc: linux-kernel@...r.kernel.org, dm-devel@...hat.com,
linux-fsdevel@...r.kernel.org, Neil Brown <neilb@...e.de>,
Christoph Hellwig <hch@...radead.org>
Subject: [GIT PULL] Immutable biovecs
Jens - here's the immutable biovec patch series, it should all be ready
to go. Mike Snitzer's tested the dm stuff, I've tested it with bio
integrity, the aoe driver, bcache and md.
This paves the way for the dio rewrite, multipage bvecs, killing
merge_bvec_fn, and more:
The following changes since commit 342799dee522b11ec205dba7a5c7fe64f2a0fec0:
bcache: Fix flushes in writeback mode (2013-10-10 21:13:20 -0700)
are available in the git repository at:
git://evilpiepirate.org/~kent/linux-bcache.git for-jens
for you to fetch changes up to e5cb0350156d84c2c976bbc2435e66b2bbbf1edb:
block: Don't save/copy bvec array anymore, share when cloning (2013-10-11 15:45:50 -0700)
----------------------------------------------------------------
Kent Overstreet (23):
block: Use rw_copy_check_uvector()
block: Consolidate duplicated bio_trim() implementations
bcache: Kill unaligned bvec hack
block: Abstract out bvec iterator
dm: Use bvec_iter for dm_bio_record()
block: Convert bio_iovec() to bvec_iter
block: Convert bio_for_each_segment() to bvec_iter
block: Immutable bio vecs
block: Convert bio_copy_data() to bvec_iter
bio-integrity: Convert to bvec_iter
block: Kill bio_segments()/bi_vcnt usage
block: Convert drivers to immutable biovecs
aoe: Convert to immutable biovecs
ceph: Convert to immutable biovecs
block: Kill bio_iovec_idx(), __bio_iovec()
rbd: Refactor bio cloning, don't clone biovecs
dm: Refactor for new bio cloning/splitting
block: Remove bi_idx hacks
block: Generic bio chaining
block: Rename bio_split() -> bio_pair_split()
block: Introduce new bio_split()
block: Kill bio_pair_split()
block: Don't save/copy bvec array anymore, share when cloning
Documentation/block/biodoc.txt | 7 +-
arch/m68k/emu/nfblock.c | 13 +-
arch/powerpc/sysdev/axonram.c | 21 +-
block/blk-core.c | 36 +--
block/blk-flush.c | 2 +-
block/blk-integrity.c | 40 +--
block/blk-lib.c | 12 +-
block/blk-map.c | 6 +-
block/blk-merge.c | 66 +++--
block/blk-throttle.c | 14 +-
block/elevator.c | 2 +-
block/scsi_ioctl.c | 39 +--
drivers/block/aoe/aoe.h | 10 +-
drivers/block/aoe/aoecmd.c | 153 ++++------
drivers/block/brd.c | 16 +-
drivers/block/drbd/drbd_actlog.c | 2 +-
drivers/block/drbd/drbd_bitmap.c | 2 +-
drivers/block/drbd/drbd_main.c | 27 +-
drivers/block/drbd/drbd_receiver.c | 19 +-
drivers/block/drbd/drbd_req.c | 6 +-
drivers/block/drbd/drbd_req.h | 2 +-
drivers/block/drbd/drbd_worker.c | 8 +-
drivers/block/floppy.c | 16 +-
drivers/block/loop.c | 27 +-
drivers/block/mtip32xx/mtip32xx.c | 20 +-
drivers/block/nbd.c | 14 +-
drivers/block/nvme-core.c | 142 ++-------
drivers/block/pktcdvd.c | 182 ++++++------
drivers/block/ps3disk.c | 7 +-
drivers/block/ps3vram.c | 10 +-
drivers/block/rbd.c | 89 +-----
drivers/block/rsxx/dev.c | 6 +-
drivers/block/rsxx/dma.c | 15 +-
drivers/block/umem.c | 53 ++--
drivers/block/virtio_blk.c | 4 +-
drivers/block/xen-blkback/blkback.c | 2 +-
drivers/block/xen-blkfront.c | 55 +---
drivers/md/bcache/alloc.c | 4 +-
drivers/md/bcache/bcache.h | 2 -
drivers/md/bcache/btree.c | 23 +-
drivers/md/bcache/debug.c | 29 +-
drivers/md/bcache/io.c | 196 ++-----------
drivers/md/bcache/journal.c | 12 +-
drivers/md/bcache/movinggc.c | 4 +-
drivers/md/bcache/request.c | 110 +++----
drivers/md/bcache/request.h | 1 -
drivers/md/bcache/super.c | 20 +-
drivers/md/bcache/util.c | 4 +-
drivers/md/bcache/writeback.c | 6 +-
drivers/md/bcache/writeback.h | 2 +-
drivers/md/dm-bio-record.h | 37 +--
drivers/md/dm-bufio.c | 2 +-
drivers/md/dm-cache-policy-mq.c | 4 +-
drivers/md/dm-cache-target.c | 26 +-
drivers/md/dm-crypt.c | 64 ++--
drivers/md/dm-delay.c | 7 +-
drivers/md/dm-flakey.c | 7 +-
drivers/md/dm-io.c | 37 +--
drivers/md/dm-linear.c | 3 +-
drivers/md/dm-raid1.c | 20 +-
drivers/md/dm-region-hash.c | 3 +-
drivers/md/dm-snap.c | 18 +-
drivers/md/dm-stripe.c | 13 +-
drivers/md/dm-switch.c | 4 +-
drivers/md/dm-thin.c | 30 +-
drivers/md/dm-verity.c | 60 ++--
drivers/md/dm.c | 185 ++----------
drivers/md/faulty.c | 19 +-
drivers/md/linear.c | 96 +++---
drivers/md/md.c | 50 +---
drivers/md/md.h | 1 -
drivers/md/multipath.c | 13 +-
drivers/md/raid0.c | 79 ++---
drivers/md/raid1.c | 67 +++--
drivers/md/raid10.c | 202 ++++++-------
drivers/md/raid5.c | 84 +++---
drivers/message/fusion/mptsas.c | 8 +-
drivers/s390/block/dcssblk.c | 19 +-
drivers/s390/block/xpram.c | 19 +-
drivers/scsi/libsas/sas_expander.c | 8 +-
drivers/scsi/mpt2sas/mpt2sas_transport.c | 41 +--
drivers/scsi/mpt3sas/mpt3sas_transport.c | 39 +--
drivers/scsi/osd/osd_initiator.c | 2 +-
drivers/scsi/sd.c | 2 +-
drivers/scsi/sd_dif.c | 30 +-
drivers/staging/lustre/lustre/llite/lloop.c | 26 +-
drivers/staging/zram/zram_drv.c | 33 ++-
drivers/target/target_core_iblock.c | 2 +-
fs/bio-integrity.c | 191 +++---------
fs/bio.c | 434 +++++++++++++---------------
fs/btrfs/check-integrity.c | 8 +-
fs/btrfs/compression.c | 17 +-
fs/btrfs/extent_io.c | 16 +-
fs/btrfs/file-item.c | 19 +-
fs/btrfs/inode.c | 22 +-
fs/btrfs/raid56.c | 22 +-
fs/btrfs/scrub.c | 12 +-
fs/btrfs/volumes.c | 12 +-
fs/buffer.c | 12 +-
fs/direct-io.c | 4 +-
fs/ext4/page-io.c | 4 +-
fs/f2fs/data.c | 2 +-
fs/f2fs/segment.c | 2 +-
fs/gfs2/lops.c | 2 +-
fs/gfs2/ops_fstype.c | 2 +-
fs/hfsplus/wrapper.c | 2 +-
fs/jfs/jfs_logmgr.c | 12 +-
fs/jfs/jfs_metapage.c | 9 +-
fs/logfs/dev_bdev.c | 20 +-
fs/mpage.c | 2 +-
fs/nfs/blocklayout/blocklayout.c | 9 +-
fs/nilfs2/segbuf.c | 3 +-
fs/ocfs2/cluster/heartbeat.c | 2 +-
fs/xfs/xfs_aops.c | 2 +-
fs/xfs/xfs_buf.c | 4 +-
include/linux/bio.h | 280 +++++++++++-------
include/linux/blk_types.h | 23 +-
include/linux/blkdev.h | 9 +-
include/linux/ceph/messenger.h | 4 +-
include/linux/dm-io.h | 4 +-
include/trace/events/bcache.h | 26 +-
include/trace/events/block.h | 26 +-
include/trace/events/f2fs.h | 4 +-
kernel/power/block_io.c | 2 +-
kernel/trace/blktrace.c | 15 +-
mm/bounce.c | 45 ++-
mm/page_io.c | 10 +-
net/ceph/messenger.c | 43 ++-
128 files changed, 1791 insertions(+), 2464 deletions(-)
--
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