diff options
Diffstat (limited to 'drivers/md/raid5.h')
| -rw-r--r-- | drivers/md/raid5.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h index 70c49329ca9..2113ffa82c7 100644 --- a/drivers/md/raid5.h +++ b/drivers/md/raid5.h @@ -197,6 +197,7 @@ enum reconstruct_states { struct stripe_head { struct hlist_node hash; struct list_head lru; /* inactive_list or handle_list */ + struct llist_node release_list; struct r5conf *raid_conf; short generation; /* increments with every * reshape */ @@ -211,6 +212,8 @@ struct stripe_head { enum check_states check_state; enum reconstruct_states reconstruct_state; spinlock_t stripe_lock; + int cpu; + struct r5worker_group *group; /** * struct stripe_operations * @target - STRIPE_OP_COMPUTE_BLK target @@ -321,6 +324,7 @@ enum { STRIPE_OPS_REQ_PENDING, STRIPE_ON_UNPLUG_LIST, STRIPE_DISCARD, + STRIPE_ON_RELEASE_LIST, }; /* @@ -363,6 +367,19 @@ struct disk_info { struct md_rdev *rdev, *replacement; }; +struct r5worker { + struct work_struct work; + struct r5worker_group *group; + bool working; +}; + +struct r5worker_group { + struct list_head handle_list; + struct r5conf *conf; + struct r5worker *workers; + int stripes_cnt; +}; + struct r5conf { struct hlist_head *stripe_hashtbl; struct mddev *mddev; @@ -386,6 +403,7 @@ struct r5conf { int prev_chunk_sectors; int prev_algo; short generation; /* increments with every reshape */ + seqcount_t gen_lock; /* lock against generation changes */ unsigned long reshape_checkpoint; /* Time we last updated * metadata */ long long min_offset_diff; /* minimum difference between @@ -445,6 +463,7 @@ struct r5conf { */ atomic_t active_stripes; struct list_head inactive_list; + struct llist_head released_stripes; wait_queue_head_t wait_for_stripe; wait_queue_head_t wait_for_overlap; int inactive_blocked; /* release of inactive stripes blocked, @@ -458,6 +477,9 @@ struct r5conf { * the new thread here until we fully activate the array. */ struct md_thread *thread; + struct r5worker_group *worker_groups; + int group_cnt; + int worker_cnt_per_group; }; /* |