block: correct documentation for blkdev_issue_discard() flags

BLKDEV_IFL_* flags no longer exist; blkdev_issue_discard() now actually
takes BLKDEV_DISCARD_* flags.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Eric Biggers 2017-01-23 11:41:39 -08:00 • committed by Jens Axboe
commit e554911c23