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path: root/drivers/md/persistent-data/dm-transaction-manager.c
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Diffstat (limited to 'drivers/md/persistent-data/dm-transaction-manager.c')
-rw-r--r--drivers/md/persistent-data/dm-transaction-manager.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/md/persistent-data/dm-transaction-manager.c b/drivers/md/persistent-data/dm-transaction-manager.c
index d247a35da3c6..7b17a1fdeaf9 100644
--- a/drivers/md/persistent-data/dm-transaction-manager.c
+++ b/drivers/md/persistent-data/dm-transaction-manager.c
@@ -25,8 +25,8 @@ struct shadow_info {
/*
* It would be nice if we scaled with the size of transaction.
*/
-#define HASH_SIZE 256
-#define HASH_MASK (HASH_SIZE - 1)
+#define DM_HASH_SIZE 256
+#define DM_HASH_MASK (DM_HASH_SIZE - 1)
struct dm_transaction_manager {
int is_clone;
@@ -36,7 +36,7 @@ struct dm_transaction_manager {
struct dm_space_map *sm;
spinlock_t lock;
- struct hlist_head buckets[HASH_SIZE];
+ struct hlist_head buckets[DM_HASH_SIZE];
};
/*----------------------------------------------------------------*/
@@ -44,7 +44,7 @@ struct dm_transaction_manager {
static int is_shadow(struct dm_transaction_manager *tm, dm_block_t b)
{
int r = 0;
- unsigned bucket = dm_hash_block(b, HASH_MASK);
+ unsigned bucket = dm_hash_block(b, DM_HASH_MASK);
struct shadow_info *si;
struct hlist_node *n;
@@ -71,7 +71,7 @@ static void insert_shadow(struct dm_transaction_manager *tm, dm_block_t b)
si = kmalloc(sizeof(*si), GFP_NOIO);
if (si) {
si->where = b;
- bucket = dm_hash_block(b, HASH_MASK);
+ bucket = dm_hash_block(b, DM_HASH_MASK);
spin_lock(&tm->lock);
hlist_add_head(&si->hlist, tm->buckets + bucket);
spin_unlock(&tm->lock);
@@ -86,7 +86,7 @@ static void wipe_shadow_table(struct dm_transaction_manager *tm)
int i;
spin_lock(&tm->lock);
- for (i = 0; i < HASH_SIZE; i++) {
+ for (i = 0; i < DM_HASH_SIZE; i++) {
bucket = tm->buckets + i;
hlist_for_each_entry_safe(si, n, tmp, bucket, hlist)
kfree(si);
@@ -115,7 +115,7 @@ static struct dm_transaction_manager *dm_tm_create(struct dm_block_manager *bm,
tm->sm = sm;
spin_lock_init(&tm->lock);
- for (i = 0; i < HASH_SIZE; i++)
+ for (i = 0; i < DM_HASH_SIZE; i++)
INIT_HLIST_HEAD(tm->buckets + i);
return tm;