diff options
| author |   Christoph Hellwig <hch@lst.de> | 2020-09-24 08:51:31 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2020-09-24 13:43:38 -0600 |
| commit | 9e82d35b95e55aa50d264caee64a17840e3981b7 (patch) | |
| tree | 0c36989bb9d36309ff329e81cbf3484d8fcfad91 /drivers/block | |
| parent | bcache: inherit the optimal I/O size (diff) | |
| download | linux-dev-9e82d35b95e55aa50d264caee64a17840e3981b7.tar.xz linux-dev-9e82d35b95e55aa50d264caee64a17840e3981b7.zip | |
aoe: set an optimal I/O size
aoe forces a larger readahead size, but any reason to do larger I/O
is not limited to readahead. Also set the optimal I/O size, and
remove the local constants in favor of just using SZ_2G.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/aoe/aoeblk.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c index 5ca7216e9e01..d8cfc233e64b 100644 --- a/drivers/block/aoe/aoeblk.c +++ b/drivers/block/aoe/aoeblk.c @@ -347,7 +347,6 @@ aoeblk_gdalloc(void *vp) mempool_t *mp; struct request_queue *q; struct blk_mq_tag_set *set; - enum { KB = 1024, MB = KB * KB, READ_AHEAD = 2 * MB, }; ulong flags; int late = 0; int err; @@ -407,7 +406,8 @@ aoeblk_gdalloc(void *vp) WARN_ON(d->gd); WARN_ON(d->flags & DEVFL_UP); blk_queue_max_hw_sectors(q, BLK_DEF_MAX_SECTORS); - q->backing_dev_info->ra_pages = READ_AHEAD / PAGE_SIZE; + q->backing_dev_info->ra_pages = SZ_2M / PAGE_SIZE; + blk_queue_io_opt(q, SZ_2M); d->bufpool = mp; d->blkq = gd->queue = q; q->queuedata = d; |