From 11d8a6e3719519fbc0e2c9d61b6fa931b84bf813 Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Mon, 26 Jul 2010 11:57:07 +1000 Subject: md/raid5: export is_congested test the dm module will need this for dm-raid45. Also only access ->queue->backing_dev_info->congested_fn if ->queue actually exists. It won't in a dm target. Signed-off-by: NeilBrown --- drivers/md/raid5.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/md/raid5.h') diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h index 61b6b25dc5e7..d6470dec667a 100644 --- a/drivers/md/raid5.h +++ b/drivers/md/raid5.h @@ -497,5 +497,7 @@ static inline int algorithm_is_DDF(int layout) { return layout >= 8 && layout <= 10; } + +extern int md_raid5_congested(mddev_t *mddev, int bits); extern int raid5_set_cache_size(mddev_t *mddev, int size); #endif -- cgit v1.2.2