diff options
Diffstat (limited to 'drivers/md/md.h')
| -rw-r--r-- | drivers/md/md.h | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h index fbc925cce810..ffcb1ae217fe 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -252,6 +252,19 @@ enum mddev_sb_flags { MD_SB_NEED_REWRITE, /* metadata write needs to be repeated */ }; +#define NR_FLUSH_INFOS 8 +#define NR_FLUSH_BIOS 64 +struct flush_info { + struct bio *bio; + struct mddev *mddev; + struct work_struct flush_work; + atomic_t flush_pending; +}; +struct flush_bio { + struct flush_info *fi; + struct md_rdev *rdev; +}; + struct mddev { void *private; struct md_personality *pers; @@ -457,13 +470,8 @@ struct mddev { * metadata and bitmap writes */ - /* Generic flush handling. - * The last to finish preflush schedules a worker to submit - * the rest of the request (without the REQ_PREFLUSH flag). - */ - struct bio *flush_bio; - atomic_t flush_pending; - struct work_struct flush_work; + mempool_t *flush_pool; + mempool_t *flush_bio_pool; struct work_struct event_work; /* used by dm to report failure event */ void (*sync_super)(struct mddev *mddev, struct md_rdev *rdev); struct md_cluster_info *cluster_info; |