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| author | Shaohua Li | 2015-08-13 23:31:57 +0200 |
|---|---|---|
| committer | NeilBrown | 2015-10-24 08:16:18 +0200 |
| commit | 6d036f7d52e5a9c3b2ff77883db4c34620681804 (patch) | |
| tree | ddfd13c18855035a9e97423142da8df6f70ddc66 /drivers/md/raid5.h | |
| parent | md: override md superblock recovery_offset for journal device (diff) | |
| download | kernel-qcow2-linux-6d036f7d52e5a9c3b2ff77883db4c34620681804.tar.gz kernel-qcow2-linux-6d036f7d52e5a9c3b2ff77883db4c34620681804.tar.xz kernel-qcow2-linux-6d036f7d52e5a9c3b2ff77883db4c34620681804.zip | |
raid5: export some functions
Next several patches use some raid5 functions, rename them with raid5
prefix and export out.
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: NeilBrown <neilb@suse.com>
Diffstat (limited to 'drivers/md/raid5.h')
| -rw-r--r-- | drivers/md/raid5.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h index 828c2925e68f..7686fcb62157 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 |