diff options
Diffstat (limited to 'drivers/md/bcache/bcache.h')
| -rw-r--r-- | drivers/md/bcache/bcache.h | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h index 15d26236caf9..171cda89cb6b 100644 --- a/drivers/md/bcache/bcache.h +++ b/drivers/md/bcache/bcache.h @@ -562,19 +562,16 @@ struct cache_set { struct list_head btree_cache_freed; /* Number of elements in btree_cache + btree_cache_freeable lists */ - unsigned bucket_cache_used; + unsigned btree_cache_used; /* * If we need to allocate memory for a new btree node and that * allocation fails, we can cannibalize another node in the btree cache - * to satisfy the allocation. However, only one thread can be doing this - * at a time, for obvious reasons - try_harder and try_wait are - * basically a lock for this that we can wait on asynchronously. The - * btree_root() macro releases the lock when it returns. + * to satisfy the allocation - lock to guarantee only one thread does + * this at a time: */ - struct task_struct *try_harder; - wait_queue_head_t try_wait; - uint64_t try_harder_start; + wait_queue_head_t btree_cache_wait; + struct task_struct *btree_cache_alloc_lock; /* * When we free a btree node, we increment the gen of the bucket the @@ -669,7 +666,6 @@ struct cache_set { struct time_stats btree_gc_time; struct time_stats btree_split_time; struct time_stats btree_read_time; - struct time_stats try_harder_time; atomic_long_t cache_read_races; atomic_long_t writeback_keys_done; @@ -956,7 +952,6 @@ int bch_open_buckets_alloc(struct cache_set *); void bch_open_buckets_free(struct cache_set *); int bch_cache_allocator_start(struct cache *ca); -int bch_cache_allocator_init(struct cache *ca); void bch_debug_exit(void); int bch_debug_init(struct kobject *); |