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path: root/drivers/block/aoe/aoeblk.c
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Diffstat (limited to 'drivers/block/aoe/aoeblk.c')
-rw-r--r--drivers/block/aoe/aoeblk.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
index 321de7b..3a8f093 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -254,6 +254,7 @@ aoeblk_gdalloc(void *vp)
{
struct aoedev *d = vp;
struct gendisk *gd;
+ enum { KB = 1024, MB = KB * KB, READ_AHEAD = MB, };
ulong flags;
gd = alloc_disk(AOE_PARTITIONS);
@@ -279,6 +280,8 @@ aoeblk_gdalloc(void *vp)
if (bdi_init(&d->blkq->backing_dev_info))
goto err_blkq;
spin_lock_irqsave(&d->lock, flags);
+ blk_queue_max_hw_sectors(d->blkq, BLK_DEF_MAX_SECTORS);
+ d->blkq->backing_dev_info.ra_pages = READ_AHEAD / PAGE_CACHE_SIZE;
gd->major = AOE_MAJOR;
gd->first_minor = d->sysminor * AOE_PARTITIONS;
gd->fops = &aoe_bdops;
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