diff options
Diffstat (limited to 'drivers/md/raid5.h')
| -rw-r--r-- | drivers/md/raid5.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h index 0f86f5e36724..2ace0582b409 100644 --- a/drivers/md/raid5.h +++ b/drivers/md/raid5.h @@ -275,6 +275,7 @@ struct r6_state { * filling */ #define R5_Wantdrain 13 /* dev->towrite needs to be drained */ +#define R5_WantFUA 14 /* Write should be FUA */ /* * Write method */ @@ -388,7 +389,7 @@ struct raid5_private_data { * two caches. */ int active_name; - char cache_name[2][20]; + char cache_name[2][32]; struct kmem_cache *slab_cache; /* for allocating stripes */ int seq_flush, seq_write; @@ -398,6 +399,9 @@ struct raid5_private_data { * (fresh device added). * Cleared when a sync completes. */ + + struct plug_handle plug; + /* per cpu variables */ struct raid5_percpu { struct page *spare_page; /* Used when checking P/Q in raid6 */ @@ -497,4 +501,8 @@ static inline int algorithm_is_DDF(int layout) { return layout >= 8 && layout <= 10; } + +extern int md_raid5_congested(mddev_t *mddev, int bits); +extern void md_raid5_unplug_device(raid5_conf_t *conf); +extern int raid5_set_cache_size(mddev_t *mddev, int size); #endif |