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SubjectRe: [PATCH 00/13] block: assorted cleanup for bio splitting and cloning.
On Tue, May 02 2017, NeilBrown wrote:

> This is a revision of my series of patches working
> towards removing the bioset work queues.

Hi Jens,
could I get some feed-back about your thoughts on this series?
Will you apply it? When? Do I need to resend anything?
Would you like a git-pull request? If so, what should I base it on?
There is a minor conflict with drivers/block/zram/zram_drv.c
as it dropped the call to blk_queue_split() recently, but otherwise it
still applies.

Thanks,
NeilBrown


>
> This set is based on Linus' tree as for today (2nd May) plus
> the for-linus branch from Shaohua's md/raid tree.
>
> This series adds a fix for the new lightnvm/pblk-read code
> and discards bioset_create_nobvec() in favor of a flag arg to
> bioset_create(). There are also minor fixes and a little
> code clean-up.
>
> I hope to eventually get rid of the new BIOSET_NEED_RESCUER flag,
> but that needs work ing dm and probably bcache first.
>
> Thanks,
> NeilBrown
>
>
> ---
>
> NeilBrown (13):
> blk: remove bio_set arg from blk_queue_split()
> blk: replace bioset_create_nobvec() with a flags arg to bioset_create()
> blk: make the bioset rescue_workqueue optional.
> blk: use non-rescuing bioset for q->bio_split.
> block: Improvements to bounce-buffer handling
> rbd: use bio_clone_fast() instead of bio_clone()
> drbd: use bio_clone_fast() instead of bio_clone()
> pktcdvd: use bio_clone_fast() instead of bio_clone()
> lightnvm/pblk-read: use bio_clone_fast()
> xen-blkfront: remove bio splitting.
> bcache: use kmalloc to allocate bio in bch_data_verify()
> block: remove bio_clone() and all references.
> block: don't check for BIO_MAX_PAGES in blk_bio_segment_split()
>
>
> Documentation/block/biodoc.txt | 2 -
> block/bio.c | 72 ++++++++++++++++-------------------
> block/blk-core.c | 4 +-
> block/blk-merge.c | 31 ++-------------
> block/blk-mq.c | 2 -
> block/bounce.c | 32 +++++++++++++---
> drivers/block/drbd/drbd_int.h | 3 +
> drivers/block/drbd/drbd_main.c | 11 +++++
> drivers/block/drbd/drbd_req.c | 2 -
> drivers/block/drbd/drbd_req.h | 2 -
> drivers/block/pktcdvd.c | 14 +++++--
> drivers/block/ps3vram.c | 2 -
> drivers/block/rbd.c | 16 +++++++-
> drivers/block/rsxx/dev.c | 2 -
> drivers/block/umem.c | 2 -
> drivers/block/xen-blkfront.c | 54 +-------------------------
> drivers/block/zram/zram_drv.c | 2 -
> drivers/lightnvm/pblk-init.c | 16 ++++++--
> drivers/lightnvm/pblk-read.c | 2 -
> drivers/lightnvm/pblk.h | 1
> drivers/lightnvm/rrpc.c | 2 -
> drivers/md/bcache/debug.c | 2 -
> drivers/md/bcache/super.c | 6 ++-
> drivers/md/dm-crypt.c | 2 -
> drivers/md/dm-io.c | 2 -
> drivers/md/dm.c | 5 +-
> drivers/md/md.c | 6 +--
> drivers/md/raid1.c | 2 -
> drivers/md/raid10.c | 2 -
> drivers/md/raid5-cache.c | 2 -
> drivers/md/raid5-ppl.c | 2 -
> drivers/md/raid5.c | 2 -
> drivers/s390/block/dcssblk.c | 2 -
> drivers/s390/block/xpram.c | 2 -
> drivers/target/target_core_iblock.c | 2 -
> fs/block_dev.c | 2 -
> fs/btrfs/extent_io.c | 3 +
> fs/xfs/xfs_super.c | 3 +
> include/linux/bio.h | 12 ++----
> include/linux/blkdev.h | 3 -
> 40 files changed, 162 insertions(+), 174 deletions(-)
>
> --
> Signature
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