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path: root/drivers/md/dm-log-userspace-base.c
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Diffstat (limited to 'drivers/md/dm-log-userspace-base.c')
-rw-r--r--drivers/md/dm-log-userspace-base.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/md/dm-log-userspace-base.c b/drivers/md/dm-log-userspace-base.c
index 53b7b06d0aa8..52090bee17c2 100644
--- a/drivers/md/dm-log-userspace-base.c
+++ b/drivers/md/dm-log-userspace-base.c
@@ -76,7 +76,7 @@ struct log_c {
*/
uint32_t integrated_flush;
- mempool_t *flush_entry_pool;
+ mempool_t flush_entry_pool;
};
static struct kmem_cache *_flush_entry_cache;
@@ -249,11 +249,10 @@ static int userspace_ctr(struct dm_dirty_log *log, struct dm_target *ti,
goto out;
}
- lc->flush_entry_pool = mempool_create_slab_pool(FLUSH_ENTRY_POOL_SIZE,
- _flush_entry_cache);
- if (!lc->flush_entry_pool) {
+ r = mempool_init_slab_pool(&lc->flush_entry_pool, FLUSH_ENTRY_POOL_SIZE,
+ _flush_entry_cache);
+ if (r) {
DMERR("Failed to create flush_entry_pool");
- r = -ENOMEM;
goto out;
}
@@ -313,7 +312,7 @@ static int userspace_ctr(struct dm_dirty_log *log, struct dm_target *ti,
out:
kfree(devices_rdata);
if (r) {
- mempool_destroy(lc->flush_entry_pool);
+ mempool_exit(&lc->flush_entry_pool);
kfree(lc);
kfree(ctr_str);
} else {
@@ -342,7 +341,7 @@ static void userspace_dtr(struct dm_dirty_log *log)
if (lc->log_dev)
dm_put_device(lc->ti, lc->log_dev);
- mempool_destroy(lc->flush_entry_pool);
+ mempool_exit(&lc->flush_entry_pool);
kfree(lc->usr_argv_str);
kfree(lc);
@@ -570,7 +569,7 @@ static int userspace_flush(struct dm_dirty_log *log)
int mark_list_is_empty;
int clear_list_is_empty;
struct dm_dirty_log_flush_entry *fe, *tmp_fe;
- mempool_t *flush_entry_pool = lc->flush_entry_pool;
+ mempool_t *flush_entry_pool = &lc->flush_entry_pool;
spin_lock_irqsave(&lc->flush_lock, flags);
list_splice_init(&lc->mark_list, &mark_list);
@@ -653,7 +652,7 @@ static void userspace_mark_region(struct dm_dirty_log *log, region_t region)
struct dm_dirty_log_flush_entry *fe;
/* Wait for an allocation, but _never_ fail */
- fe = mempool_alloc(lc->flush_entry_pool, GFP_NOIO);
+ fe = mempool_alloc(&lc->flush_entry_pool, GFP_NOIO);
BUG_ON(!fe);
spin_lock_irqsave(&lc->flush_lock, flags);
@@ -687,7 +686,7 @@ static void userspace_clear_region(struct dm_dirty_log *log, region_t region)
* to cause the region to be resync'ed when the
* device is activated next time.
*/
- fe = mempool_alloc(lc->flush_entry_pool, GFP_ATOMIC);
+ fe = mempool_alloc(&lc->flush_entry_pool, GFP_ATOMIC);
if (!fe) {
DMERR("Failed to allocate memory to clear region.");
return;