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

[Ming Lei]

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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