/**
* Add a buffer to the cache. This is typically done when the buffer is
* being released.
*/
void
pb_cache_add_buffer(struct pb_cache_entry *entry)
{
struct pb_cache *mgr = entry->mgr;
struct list_head *cache = &mgr->buckets[entry->bucket_index];
struct pb_buffer *buf = entry->buffer;
unsigned i;
pipe_mutex_lock(mgr->mutex);
assert(!pipe_is_referenced(&buf->reference));
for (i = 0; i < ARRAY_SIZE(mgr->buckets); i++)
release_expired_buffers_locked(&mgr->buckets[i]);
/* Directly release any buffer that exceeds the limit. */
if (mgr->cache_size + buf->size > mgr->max_cache_size) {
mgr->destroy_buffer(buf);
pipe_mutex_unlock(mgr->mutex);
return;
}
entry->start = os_time_get();
entry->end = entry->start + mgr->usecs;
LIST_ADDTAIL(&entry->head, cache);
++mgr->num_buffers;
mgr->cache_size += buf->size;
pipe_mutex_unlock(mgr->mutex);
}
/**
* Add a buffer to the cache. This is typically done when the buffer is
* being released.
*/
void
pb_cache_add_buffer(struct pb_cache_entry *entry)
{
struct pb_cache *mgr = entry->mgr;
pipe_mutex_lock(mgr->mutex);
assert(!pipe_is_referenced(&entry->buffer->reference));
release_expired_buffers_locked(mgr);
/* Directly release any buffer that exceeds the limit. */
if (mgr->cache_size + entry->buffer->size > mgr->max_cache_size) {
entry->mgr->destroy_buffer(entry->buffer);
pipe_mutex_unlock(mgr->mutex);
return;
}
entry->start = os_time_get();
entry->end = entry->start + mgr->usecs;
LIST_ADDTAIL(&entry->head, &mgr->cache);
++mgr->num_buffers;
mgr->cache_size += entry->buffer->size;
pipe_mutex_unlock(mgr->mutex);
}
