/*----------------------------------------------------------------*/
static struct kmem_cache *dm_bufio_caches[PAGE_SHIFT - SECTOR_SHIFT];
-static char *dm_bufio_cache_names[PAGE_SHIFT - SECTOR_SHIFT];
static inline int dm_bufio_cache_index(struct dm_bufio_client *c)
{
}
#define DM_BUFIO_CACHE(c) (dm_bufio_caches[dm_bufio_cache_index(c)])
-#define DM_BUFIO_CACHE_NAME(c) (dm_bufio_cache_names[dm_bufio_cache_index(c)])
#define dm_bufio_in_request() (!!current->bio_list)
mutex_lock(&dm_bufio_clients_lock);
if (c->blocks_per_page_bits) {
- if (!DM_BUFIO_CACHE_NAME(c)) {
- DM_BUFIO_CACHE_NAME(c) = kasprintf(GFP_KERNEL, "dm_bufio_cache-%u", c->block_size);
- if (!DM_BUFIO_CACHE_NAME(c)) {
- r = -ENOMEM;
- mutex_unlock(&dm_bufio_clients_lock);
- goto bad;
- }
- }
-
if (!DM_BUFIO_CACHE(c)) {
- DM_BUFIO_CACHE(c) = kmem_cache_create(DM_BUFIO_CACHE_NAME(c),
- c->block_size,
- c->block_size, 0, NULL);
+ char name[26];
+ snprintf(name, sizeof name, "dm_bufio_cache-%u", c->block_size);
+ DM_BUFIO_CACHE(c) = kmem_cache_create(name, c->block_size, c->block_size, 0, NULL);
if (!DM_BUFIO_CACHE(c)) {
r = -ENOMEM;
mutex_unlock(&dm_bufio_clients_lock);
dm_bufio_current_allocated = 0;
memset(&dm_bufio_caches, 0, sizeof dm_bufio_caches);
- memset(&dm_bufio_cache_names, 0, sizeof dm_bufio_cache_names);
mem = (__u64)mult_frac(totalram_pages - totalhigh_pages,
DM_BUFIO_MEMORY_PERCENT, 100) << PAGE_SHIFT;
for (i = 0; i < ARRAY_SIZE(dm_bufio_caches); i++)
kmem_cache_destroy(dm_bufio_caches[i]);
- for (i = 0; i < ARRAY_SIZE(dm_bufio_cache_names); i++)
- kfree(dm_bufio_cache_names[i]);
-
if (dm_bufio_client_count) {
DMCRIT("%s: dm_bufio_client_count leaked: %d",
__func__, dm_bufio_client_count);