diff options
Diffstat (limited to 'drivers/md/bcache/alloc.c')
| -rw-r--r-- | drivers/md/bcache/alloc.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/md/bcache/alloc.c b/drivers/md/bcache/alloc.c index 08035634795c1..a27d85232ce13 100644 --- a/drivers/md/bcache/alloc.c +++ b/drivers/md/bcache/alloc.c @@ -407,7 +407,8 @@ long bch_bucket_alloc(struct cache *ca, unsigned reserve, bool wait) finish_wait(&ca->set->bucket_wait, &w); out: - wake_up_process(ca->alloc_thread); + if (ca->alloc_thread) + wake_up_process(ca->alloc_thread); trace_bcache_alloc(ca, reserve); @@ -442,6 +443,11 @@ out: b->prio = INITIAL_PRIO; } + if (ca->set->avail_nbuckets > 0) { + ca->set->avail_nbuckets--; + bch_update_bucket_in_use(ca->set, &ca->set->gc_stats); + } + return r; } @@ -449,6 +455,11 @@ void __bch_bucket_free(struct cache *ca, struct bucket *b) { SET_GC_MARK(b, 0); SET_GC_SECTORS_USED(b, 0); + + if (ca->set->avail_nbuckets < ca->set->nbuckets) { + ca->set->avail_nbuckets++; + bch_update_bucket_in_use(ca->set, &ca->set->gc_stats); + } } void bch_bucket_free(struct cache_set *c, struct bkey *k) @@ -601,7 +612,7 @@ bool bch_alloc_sectors(struct cache_set *c, struct bkey *k, unsigned sectors, /* * If we had to allocate, we might race and not need to allocate the - * second time we call find_data_bucket(). If we allocated a bucket but + * second time we call pick_data_bucket(). If we allocated a bucket but * didn't use it, drop the refcount bch_bucket_alloc_set() took: */ if (KEY_PTRS(&alloc.key)) |