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[PATCH v2 0/7] block: some misc changes

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Hi,

The 1st patch is one fix for automatic flush plug in case of
nomerge queue.

The following four patches are optimizations related with bio splitting.

The 6th patch is one fix for using trace_block_plug().

The 7th patch is to mark ctx as pending at batch in flush plug path.

V2:
        - Jeff found one issue about automatic flush plug in case
		of nomerge queue, and fix it in 1/1
V1:
        - 3/6: don't check bio_mergeable() in blk_mq_attempt_merge()
        - 4/6: check bio_mergeable() for non-mq too
        - 5/6: new patch for fixing using trace_block_plug()

 block/blk-core.c  | 32 +++++++++++++++++++++++++++++---
 block/blk-merge.c | 32 +++++++++++++++++++++++++-------
 block/blk-mq.c    | 31 +++++++++++++++++++++----------
 block/blk.h       |  1 +
 block/elevator.c  |  2 +-
 5 files changed, 77 insertions(+), 21 deletions(-)

Thanks,
Ming

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[PATCH v2 0/7] block: some misc changes Ming Lei <ming.lei@canonical.com> - 2015-10-20 17:20 +0200
  [PATCH v2 2/7] block: setup bi_phys_segments after splitting Ming Lei <ming.lei@canonical.com> - 2015-10-20 17:20 +0200
  [PATCH v2 5/7] block: check bio_mergeable() early before merging Ming Lei <ming.lei@canonical.com> - 2015-10-20 17:20 +0200
    Re: [PATCH v2 5/7] block: check bio_mergeable() early before merging Jeff Moyer <jmoyer@redhat.com> - 2015-10-20 17:30 +0200
  [PATCH v2 7/7] blk-mq: mark ctx as pending at batch in flush plug path Ming Lei <ming.lei@canonical.com> - 2015-10-20 17:20 +0200
  [PATCH v2 6/7] blk-mq: fix for trace_block_plug() Ming Lei <ming.lei@canonical.com> - 2015-10-20 17:20 +0200
    Re: [PATCH v2 6/7] blk-mq: fix for trace_block_plug() Jeff Moyer <jmoyer@redhat.com> - 2015-10-20 17:30 +0200
  [PATCH v2 1/7] block: fix plug list flushing for nomerge queues Ming Lei <ming.lei@canonical.com> - 2015-10-20 17:20 +0200
  [PATCH v2 4/7] blk-mq: check bio_mergeable() early before merging Ming Lei <ming.lei@canonical.com> - 2015-10-20 17:20 +0200
  Re: [PATCH v2 0/7] block: some misc changes Jens Axboe <axboe@kernel.dk> - 2015-10-21 23:10 +0200

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