Message ID | 20200924065140.726436-5-hch@lst.de |
---|---|
State | Not Applicable |
Headers | show |
Series | [01/13] fs: remove the unused SB_I_MULTIROOT flag | expand |
Christoph, > 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. Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c index 5ca7216e9e01f3..d8cfc233e64b93 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;