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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /fs/dlm/memory.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'fs/dlm/memory.c')
-rw-r--r--fs/dlm/memory.c98
1 files changed, 98 insertions, 0 deletions
diff --git a/fs/dlm/memory.c b/fs/dlm/memory.c
new file mode 100644
index 00000000..da64df75
--- /dev/null
+++ b/fs/dlm/memory.c
@@ -0,0 +1,98 @@
+/******************************************************************************
+*******************************************************************************
+**
+** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
+** Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
+**
+** This copyrighted material is made available to anyone wishing to use,
+** modify, copy, or redistribute it subject to the terms and conditions
+** of the GNU General Public License v.2.
+**
+*******************************************************************************
+******************************************************************************/
+
+#include "dlm_internal.h"
+#include "config.h"
+#include "memory.h"
+
+static struct kmem_cache *lkb_cache;
+static struct kmem_cache *rsb_cache;
+
+
+int __init dlm_memory_init(void)
+{
+ int ret = 0;
+
+ lkb_cache = kmem_cache_create("dlm_lkb", sizeof(struct dlm_lkb),
+ __alignof__(struct dlm_lkb), 0, NULL);
+ if (!lkb_cache)
+ ret = -ENOMEM;
+
+ rsb_cache = kmem_cache_create("dlm_rsb", sizeof(struct dlm_rsb),
+ __alignof__(struct dlm_rsb), 0, NULL);
+ if (!rsb_cache) {
+ kmem_cache_destroy(lkb_cache);
+ ret = -ENOMEM;
+ }
+
+ return ret;
+}
+
+void dlm_memory_exit(void)
+{
+ if (lkb_cache)
+ kmem_cache_destroy(lkb_cache);
+ if (rsb_cache)
+ kmem_cache_destroy(rsb_cache);
+}
+
+char *dlm_allocate_lvb(struct dlm_ls *ls)
+{
+ char *p;
+
+ p = kzalloc(ls->ls_lvblen, GFP_NOFS);
+ return p;
+}
+
+void dlm_free_lvb(char *p)
+{
+ kfree(p);
+}
+
+struct dlm_rsb *dlm_allocate_rsb(struct dlm_ls *ls)
+{
+ struct dlm_rsb *r;
+
+ r = kmem_cache_zalloc(rsb_cache, GFP_NOFS);
+ return r;
+}
+
+void dlm_free_rsb(struct dlm_rsb *r)
+{
+ if (r->res_lvbptr)
+ dlm_free_lvb(r->res_lvbptr);
+ kmem_cache_free(rsb_cache, r);
+}
+
+struct dlm_lkb *dlm_allocate_lkb(struct dlm_ls *ls)
+{
+ struct dlm_lkb *lkb;
+
+ lkb = kmem_cache_zalloc(lkb_cache, GFP_NOFS);
+ return lkb;
+}
+
+void dlm_free_lkb(struct dlm_lkb *lkb)
+{
+ if (lkb->lkb_flags & DLM_IFL_USER) {
+ struct dlm_user_args *ua;
+ ua = lkb->lkb_ua;
+ if (ua) {
+ if (ua->lksb.sb_lvbptr)
+ kfree(ua->lksb.sb_lvbptr);
+ kfree(ua);
+ }
+ }
+ kmem_cache_free(lkb_cache, lkb);
+}
+