[dm-devel] block tracepoint cleanups v2

[Christoph Hellwig]

Hi Jens,

this series cleans up the block layer tracepoints by removing unused
tracepoints or tracepoint arguments and consolidating the implementation
of various bio based tracepoints.

Changes since v1:
 - a few commit log typo fixes and improvements


Diffstat:
 block/blk-core.c              |    4 
 block/blk-merge.c             |    8 -
 block/blk-mq-sched.c          |    2 
 block/blk-mq.c                |   10 -
 block/bounce.c                |    2 
 drivers/md/dm-rq.c            |    2 
 drivers/md/dm.c               |    5 
 drivers/md/md-linear.c        |    3 
 drivers/md/md.c               |    5 
 drivers/md/raid0.c            |    4 
 drivers/md/raid1.c            |    7 -
 drivers/md/raid10.c           |    6 -
 drivers/md/raid5.c            |   15 +-
 drivers/nvme/host/multipath.c |    3 
 drivers/s390/scsi/zfcp_fsf.c  |    3 
 include/linux/blktrace_api.h  |    5 
 include/trace/events/block.h  |  228 +++++++++---------------------------------
 kernel/trace/blktrace.c       |  126 ++++++-----------------
 18 files changed, 125 insertions(+), 313 deletions(-)