diff options
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm-table.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 33b4afc6a687..a37bdf6cd66f 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -1542,6 +1542,9 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q, smp_mb(); if (dm_table_request_based(t)) queue_flag_set_unlocked(QUEUE_FLAG_STACKABLE, q); + + /* io_pages is used for readahead */ + q->backing_dev_info.io_pages = limits->max_sectors >> (PAGE_SHIFT - 9); } unsigned int dm_table_get_num_targets(struct dm_table *t) |