---

yaml --- r: 359647 b: refs/heads/master c: 72fe25e h: refs/heads/master i: 359645: bb7c508 359643: 170d34d 359639: bcd64ab 359631: 1b8329f 359615: 79f36e3 v: v3
git-mirror · Feb 14, 2013 · 3ddf936 · 3ddf936
1 parent c0a0bac
commit 3ddf936
Show file tree

Hide file tree

Showing 3 changed files with 19 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b82d167be64b3e88d9434d8a98ce83c83a07aa48
+refs/heads/master: 72fe25e3460c8673984370208e0e6261101372d6
diff --git a/trunk/include/linux/ceph/libceph.h b/trunk/include/linux/ceph/libceph.h
@@ -193,6 +193,8 @@ static inline int calc_pages_for(u64 off, u64 len)
 }
 
 /* ceph_common.c */
+extern bool libceph_compatible(void *data);
+
 extern const char *ceph_msg_type_name(int type);
 extern int ceph_check_fsid(struct ceph_client *client, struct ceph_fsid *fsid);
 extern struct kmem_cache *ceph_inode_cachep;

diff --git a/trunk/net/ceph/ceph_common.c b/trunk/net/ceph/ceph_common.c
@@ -26,6 +26,22 @@
 #include "crypto.h"
 
 
+/*
+ * Module compatibility interface.  For now it doesn't do anything,
+ * but its existence signals a certain level of functionality.
+ *
+ * The data buffer is used to pass information both to and from
+ * libceph.  The return value indicates whether libceph determines
+ * it is compatible with the caller (from another kernel module),
+ * given the provided data.
+ *
+ * The data pointer can be null.
+ */
+bool libceph_compatible(void *data)
+{
+	return false;
+}
+EXPORT_SYMBOL(libceph_compatible);
 
 /*
  * find filename portion of a path (/foo/bar/baz -> baz)