diff options
Diffstat (limited to 'drivers/md/raid5.h')
| -rw-r--r-- | drivers/md/raid5.h | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h index a5082bed83c8..e873938a6125 100644 --- a/drivers/md/raid5.h +++ b/drivers/md/raid5.h @@ -803,16 +803,24 @@ raid5_get_dev_page(struct stripe_head *sh, int disk_idx) } #endif -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, - bool previous, bool noblock, bool noquiesce); -extern int raid5_calc_degraded(struct r5conf *conf); -extern int r5c_journal_mode_set(struct mddev *mddev, int journal_mode); +void md_raid5_kick_device(struct r5conf *conf); +int raid5_set_cache_size(struct mddev *mddev, int size); +sector_t raid5_compute_blocknr(struct stripe_head *sh, int i, int previous); +void raid5_release_stripe(struct stripe_head *sh); +sector_t raid5_compute_sector(struct r5conf *conf, sector_t r_sector, + int previous, int *dd_idx, struct stripe_head *sh); + +struct stripe_request_ctx; +/* get stripe from previous generation (when reshaping) */ +#define R5_GAS_PREVIOUS (1 << 0) +/* do not block waiting for a free stripe */ +#define R5_GAS_NOBLOCK (1 << 1) +/* do not block waiting for quiesce to be released */ +#define R5_GAS_NOQUIESCE (1 << 2) +struct stripe_head *raid5_get_active_stripe(struct r5conf *conf, + struct stripe_request_ctx *ctx, sector_t sector, + unsigned int flags); + +int raid5_calc_degraded(struct r5conf *conf); +int r5c_journal_mode_set(struct mddev *mddev, int journal_mode); #endif |