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Diffstat (limited to 'fs/jffs2/malloc.c')
-rw-r--r--fs/jffs2/malloc.c68
1 files changed, 66 insertions, 2 deletions
diff --git a/fs/jffs2/malloc.c b/fs/jffs2/malloc.c
index 036cbd11c004..3d5b7ecfbf8d 100644
--- a/fs/jffs2/malloc.c
+++ b/fs/jffs2/malloc.c
@@ -26,6 +26,10 @@ static kmem_cache_t *tmp_dnode_info_slab;
static kmem_cache_t *raw_node_ref_slab;
static kmem_cache_t *node_frag_slab;
static kmem_cache_t *inode_cache_slab;
+#ifdef CONFIG_JFFS2_FS_XATTR
+static kmem_cache_t *xattr_datum_cache;
+static kmem_cache_t *xattr_ref_cache;
+#endif
int __init jffs2_create_slab_caches(void)
{
@@ -68,8 +72,24 @@ int __init jffs2_create_slab_caches(void)
inode_cache_slab = kmem_cache_create("jffs2_inode_cache",
sizeof(struct jffs2_inode_cache),
0, 0, NULL, NULL);
- if (inode_cache_slab)
- return 0;
+ if (!inode_cache_slab)
+ goto err;
+
+#ifdef CONFIG_JFFS2_FS_XATTR
+ xattr_datum_cache = kmem_cache_create("jffs2_xattr_datum",
+ sizeof(struct jffs2_xattr_datum),
+ 0, 0, NULL, NULL);
+ if (!xattr_datum_cache)
+ goto err;
+
+ xattr_ref_cache = kmem_cache_create("jffs2_xattr_ref",
+ sizeof(struct jffs2_xattr_ref),
+ 0, 0, NULL, NULL);
+ if (!xattr_ref_cache)
+ goto err;
+#endif
+
+ return 0;
err:
jffs2_destroy_slab_caches();
return -ENOMEM;
@@ -91,6 +111,12 @@ void jffs2_destroy_slab_caches(void)
kmem_cache_destroy(node_frag_slab);
if(inode_cache_slab)
kmem_cache_destroy(inode_cache_slab);
+#ifdef CONFIG_JFFS2_FS_XATTR
+ if (xattr_datum_cache)
+ kmem_cache_destroy(xattr_datum_cache);
+ if (xattr_ref_cache)
+ kmem_cache_destroy(xattr_ref_cache);
+#endif
}
struct jffs2_full_dirent *jffs2_alloc_full_dirent(int namesize)
@@ -205,3 +231,41 @@ void jffs2_free_inode_cache(struct jffs2_inode_cache *x)
dbg_memalloc("%p\n", x);
kmem_cache_free(inode_cache_slab, x);
}
+
+#ifdef CONFIG_JFFS2_FS_XATTR
+struct jffs2_xattr_datum *jffs2_alloc_xattr_datum(void)
+{
+ struct jffs2_xattr_datum *xd;
+ xd = kmem_cache_alloc(xattr_datum_cache, GFP_KERNEL);
+ dbg_memalloc("%p\n", xd);
+
+ memset(xd, 0, sizeof(struct jffs2_xattr_datum));
+ xd->class = RAWNODE_CLASS_XATTR_DATUM;
+ INIT_LIST_HEAD(&xd->xindex);
+ return xd;
+}
+
+void jffs2_free_xattr_datum(struct jffs2_xattr_datum *xd)
+{
+ dbg_memalloc("%p\n", xd);
+ kmem_cache_free(xattr_datum_cache, xd);
+}
+
+struct jffs2_xattr_ref *jffs2_alloc_xattr_ref(void)
+{
+ struct jffs2_xattr_ref *ref;
+ ref = kmem_cache_alloc(xattr_ref_cache, GFP_KERNEL);
+ dbg_memalloc("%p\n", ref);
+
+ memset(ref, 0, sizeof(struct jffs2_xattr_ref));
+ ref->class = RAWNODE_CLASS_XATTR_REF;
+ INIT_LIST_HEAD(&ref->ilist);
+ return ref;
+}
+
+void jffs2_free_xattr_ref(struct jffs2_xattr_ref *ref)
+{
+ dbg_memalloc("%p\n", ref);
+ kmem_cache_free(xattr_ref_cache, ref);
+}
+#endif