diff options
author | NeilBrown <neilb@suse.de> | 2010-07-25 21:57:07 -0400 |
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committer | NeilBrown <neilb@suse.de> | 2010-07-25 22:52:29 -0400 |
commit | 11d8a6e3719519fbc0e2c9d61b6fa931b84bf813 (patch) | |
tree | 13a075d1423b2caa3d3264db0cf8cd378c545623 /drivers/md/raid5.h | |
parent | 4a5add49951e698073011855d1a8a7306bc9308d (diff) |
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 <neilb@suse.de>
Diffstat (limited to 'drivers/md/raid5.h')
-rw-r--r-- | drivers/md/raid5.h | 2 |
1 files changed, 2 insertions, 0 deletions
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) | |||
497 | { | 497 | { |
498 | return layout >= 8 && layout <= 10; | 498 | return layout >= 8 && layout <= 10; |
499 | } | 499 | } |
500 | |||
501 | extern int md_raid5_congested(mddev_t *mddev, int bits); | ||
500 | extern int raid5_set_cache_size(mddev_t *mddev, int size); | 502 | extern int raid5_set_cache_size(mddev_t *mddev, int size); |
501 | #endif | 503 | #endif |