block: break discard submissions into the user defined size
authorJens Axboe <axboe@kernel.dk>
Thu, 3 May 2018 15:13:53 +0000 (09:13 -0600)
committerJens Axboe <axboe@kernel.dk>
Tue, 8 May 2018 19:18:27 +0000 (13:18 -0600)
commitd916d8fa0e9d5eebc894b2a408ef3bbafcf16100
treeb5af9a0ab87de364c4ee35791a0d07fc84e14a5c
parentf142f08bf7ecc41c3e71e05b765ea654047cf0c0
block: break discard submissions into the user defined size

Don't build discards bigger than what the user asked for, if the
user decided to limit the size by writing to 'discard_max_bytes'.

Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/blk-lib.c