block: Ensure we only enable integrity metadata for reads and writes
authorMartin K. Petersen <martin.petersen@oracle.com>
Wed, 9 Apr 2014 02:59:31 +0000 (22:59 -0400)
committerJens Axboe <axboe@fb.com>
Wed, 9 Apr 2014 14:00:06 +0000 (08:00 -0600)
We'd occasionally attempt to generate protection information for flushes
and other requests with a zero payload. Make sure we only attempt to
enable integrity for reads and writes.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
fs/bio-integrity.c

Simple merge