diff options
Diffstat (limited to 'drivers/md/bcache/writeback.h')
| -rw-r--r-- | drivers/md/bcache/writeback.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/md/bcache/writeback.h b/drivers/md/bcache/writeback.h index 4e4c6810dc3c..b029843ce5b6 100644 --- a/drivers/md/bcache/writeback.h +++ b/drivers/md/bcache/writeback.h @@ -16,6 +16,7 @@ #define BCH_AUTO_GC_DIRTY_THRESHOLD 50 +#define BCH_DIRTY_INIT_THRD_MAX 64 /* * 14 (16384ths) is chosen here as something that each backing device * should be a reasonable fraction of the share, and not to blow up @@ -23,6 +24,24 @@ */ #define WRITEBACK_SHARE_SHIFT 14 +struct bch_dirty_init_state; +struct dirty_init_thrd_info { + struct bch_dirty_init_state *state; + struct task_struct *thread; +}; + +struct bch_dirty_init_state { + struct cache_set *c; + struct bcache_device *d; + int total_threads; + int key_idx; + spinlock_t idx_lock; + atomic_t started; + atomic_t enough; + wait_queue_head_t wait; + struct dirty_init_thrd_info infos[BCH_DIRTY_INIT_THRD_MAX]; +}; + static inline uint64_t bcache_dev_sectors_dirty(struct bcache_device *d) { uint64_t i, ret = 0; |