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drivers/md/persistent-data/dm-transaction-manager.c: rename HASH_SIZE

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Fix the warning:

  drivers/md/persistent-data/dm-transaction-manager.c:28:1: warning: "HASH_SIZE" redefined
  In file included from include/linux/elevator.h:5,
                   from include/linux/blkdev.h:216,
                   from drivers/md/persistent-data/dm-block-manager.h:11,
                   from drivers/md/persistent-data/dm-transaction-manager.h:10,
                   from drivers/md/persistent-data/dm-transaction-manager.c:6:
  include/linux/hashtable.h:22:1: warning: this is the location of the previous definition

Cc: Alasdair Kergon <agk@redhat.com>
Cc: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrew Morton 2013-02-22 16:32:03 -08:00 committed by Linus Torvalds
parent 2ef14f465b
commit df8557982f
1 changed files with 7 additions and 7 deletions
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14
drivers/md/persistent-data/dm-transaction-manager.c
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@ -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;