diff options
Diffstat (limited to 'drivers/md/dm-table.c')
| -rw-r--r-- | drivers/md/dm-table.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 48c7c09a078a..3ce2a9b6d8ff 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -1571,6 +1571,9 @@ 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) @@ -1689,7 +1692,7 @@ int dm_table_any_congested(struct dm_table *t, int bdi_bits) char b[BDEVNAME_SIZE]; if (likely(q)) - r |= bdi_congested(&q->backing_dev_info, bdi_bits); + r |= bdi_congested(q->backing_dev_info, bdi_bits); else DMWARN_LIMIT("%s: any_congested: nonexistent device %s", dm_device_name(t->md), |