From 6d036f7d52e5a9c3b2ff77883db4c34620681804 Mon Sep 17 00:00:00 2001 From: Shaohua Li Date: Thu, 13 Aug 2015 14:31:57 -0700 Subject: raid5: export some functions Next several patches use some raid5 functions, rename them with raid5 prefix and export out. Signed-off-by: Shaohua Li Signed-off-by: NeilBrown --- drivers/md/raid5.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/md/raid5.h') diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h index 828c292..7686fcb 100644 --- a/drivers/md/raid5.h +++ b/drivers/md/raid5.h @@ -609,4 +609,12 @@ static inline int algorithm_is_DDF(int layout) extern void md_raid5_kick_device(struct r5conf *conf); extern int raid5_set_cache_size(struct mddev *mddev, int size); +extern sector_t raid5_compute_blocknr(struct stripe_head *sh, int i, int previous); +extern void raid5_release_stripe(struct stripe_head *sh); +extern sector_t raid5_compute_sector(struct r5conf *conf, sector_t r_sector, + int previous, int *dd_idx, + struct stripe_head *sh); +extern struct stripe_head * +raid5_get_active_stripe(struct r5conf *conf, sector_t sector, + int previous, int noblock, int noquiesce); #endif -- cgit v1.1