From: braam <braam>
Date: Wed, 19 Feb 2003 04:29:19 +0000 (+0000)
Subject: - add new files move over from portals
X-Git-Tag: v1_7_100~1^94~101
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=7c9ba105a6e8b03b36d11049a2307dbcfc4534aa;p=fs%2Flustre-release.git

- add new files move over from portals
---

diff --git a/lustre/include/linux/lustre_handles.h b/lustre/include/linux/lustre_handles.h
new file mode 100644
index 0000000..993a323
--- /dev/null
+++ b/lustre/include/linux/lustre_handles.h
@@ -0,0 +1,39 @@
+#ifndef __LINUX_HANDLES_H_
+#define __LINUX_HANDLES_H_
+
+#ifdef __KERNEL__
+#include <asm/types.h>
+#include <asm/atomic.h>
+#include <linux/list.h>
+#endif
+
+typedef void (*portals_handle_addref_cb)(void *object);
+
+/* These handles are most easily used by having them appear at the very top of
+ * whatever object that you want to make handles for.  ie:
+ *
+ * struct ldlm_lock {
+ *         struct portals_handle handle;
+ *         ...
+ * };
+ *
+ * Now you're able to assign the results of cookie2handle directly to an
+ * ldlm_lock.  If it's not at the top, you'll want to hack up a macro that
+ * uses some offsetof() magic. */
+
+struct portals_handle {
+        struct list_head h_link;
+        __u64 h_cookie;
+        portals_handle_addref_cb h_addref;
+};
+
+/* handles.c */
+
+/* Add a handle to the hash table */
+void portals_handle_hash(struct portals_handle *, portals_handle_addref_cb);
+void portals_handle_unhash(struct portals_handle *);
+void *portals_handle2object(__u64 cookie);
+int portals_handle_init(void);
+void portals_handle_cleanup(void);
+
+#endif