block: Add copy offloading trace points
commitecc983a507bec9d3130434702d7031bfd372ba74
authorFam Zheng <famz@redhat.com>
Tue, 10 Jul 2018 06:31:16 +0000 (10 14:31 +0800)
committerKevin Wolf <kwolf@redhat.com>
Tue, 10 Jul 2018 14:01:52 +0000 (10 16:01 +0200)
tree734a4bd48a2f8d33110172acd2ff045e2cdcaed4
parentf8a30874ca4dd6560b5827433f07877e60960946
block: Add copy offloading trace points

A few trace points that can help reveal what is happening in a copy
offloading I/O path.

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
block/file-posix.c
block/io.c
block/iscsi.c
block/trace-events