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[PATCH] ocfs2: use hlists for lockres hash

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Switch from list_head to hlist_head. Make the size of the hash dependent
upon the allocated area, rather than a constant.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
This commit is contained in:
Mark Fasheh
2006-02-28 17:31:22 -08:00
parent b7668c72d2
commit 81f2094a63
5 changed files with 41 additions and 45 deletions
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8
fs/ocfs2/dlm/dlmcommon.h
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@@ -37,9 +37,7 @@
#define DLM_THREAD_SHUFFLE_INTERVAL 5 // flush everything every 5 passes
#define DLM_THREAD_MS 200 // flush at least every 200 ms
#define DLM_HASH_BITS 7
#define DLM_HASH_SIZE (1 << DLM_HASH_BITS)
#define DLM_HASH_MASK (DLM_HASH_SIZE - 1)
#define DLM_HASH_BUCKETS (PAGE_SIZE / sizeof(struct hlist_head))
enum dlm_ast_type {
DLM_AST = 0,
@@ -87,7 +85,7 @@ enum dlm_ctxt_state {
struct dlm_ctxt
{
struct list_head list;
struct list_head *resources;
struct hlist_head *lockres_hash;
struct list_head dirty_list;
struct list_head purge_list;
struct list_head pending_asts;
@@ -217,7 +215,7 @@ struct dlm_lock_resource
{
/* WARNING: Please see the comment in dlm_init_lockres before
* adding fields here. */
struct list_head list;
struct hlist_node hash_node;
struct kref refs;
/* please keep these next 3 in this order