blktrace: provide empty merge_blktrace_iologs()
authorJens Axboe <axboe@kernel.dk>
Thu, 20 Sep 2018 19:14:11 +0000 (13:14 -0600)
committerJens Axboe <axboe@kernel.dk>
Thu, 20 Sep 2018 19:15:53 +0000 (13:15 -0600)
commitbd6afe89a9874aeb788a228f7e63995b191b2eaa
treeac2d7729704f7302a742878f07065fe0c91cc5b8
parent55bfd8c81c25d7953b4d6f9320e46af5cb790b0c
blktrace: provide empty merge_blktrace_iologs()

For platforms that don't suppor blktrace, we need an empty
helper that just fails it.

Fixes: b9921d1a56d9 ("blktrace: add support to interleave blktrace files")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
blktrace.h