add fio_set_directio() error message for platforms without direct I/O
authorTomohiro Kusumi <tkusumi@tuxera.com>
Mon, 18 Sep 2017 18:42:50 +0000 (21:42 +0300)
committerJens Axboe <axboe@kernel.dk>
Mon, 18 Sep 2017 18:43:27 +0000 (12:43 -0600)
commit51102e0d64a2ae08472ecb90a72737f08de942fb
tree7129ab14d957a2c3186eada890d931160b988dc2
parent78d4a262a0758d47631bfd44672bbd5f9eff9b42
add fio_set_directio() error message for platforms without direct I/O

This lets platforms without dio (e.g. OpenBSD) fail with an explicit
message, otherwise they fail without a clue about dio even with
--debug=all enabled.

The message modified based on comments from Jens.

Signed-off-by: Tomohiro Kusumi <tkusumi@tuxera.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
filesetup.c