---

yaml --- r: 234281 b: refs/heads/master c: 93f1c20 h: refs/heads/master i: 234279: 7554331 v: v3
git-mirror · Mar 15, 2011 · 52e401f · 52e401f
1 parent 66bb93b
commit 52e401f
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Showing 3 changed files with 18 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a51571ccb8be1b88aea502ebba8350519682c16d
+refs/heads/master: 93f1c20bc8cdb757be50566eff88d65c3b26881f
diff --git a/trunk/fs/namespace.c b/trunk/fs/namespace.c
@@ -1002,6 +1002,18 @@ const struct seq_operations mounts_op = {
 	.show	= show_vfsmnt
 };
 
+static int uuid_is_nil(u8 *uuid)
+{
+	int i;
+	u8  *cp = (u8 *)uuid;
+
+	for (i = 0; i < 16; i++) {
+		if (*cp++)
+			return 0;
+	}
+	return 1;
+}
+
 static int show_mountinfo(struct seq_file *m, void *v)
 {
 	struct proc_mounts *p = m->private;
@@ -1040,6 +1052,10 @@ static int show_mountinfo(struct seq_file *m, void *v)
 	if (IS_MNT_UNBINDABLE(mnt))
 		seq_puts(m, " unbindable");
 
+	if (!uuid_is_nil(mnt->mnt_sb->s_uuid))
+		/* print the uuid */
+		seq_printf(m, " uuid:%pU", mnt->mnt_sb->s_uuid);
+
 	/* Filesystem specific data */
 	seq_puts(m, " - ");
 	show_type(m, sb);

diff --git a/trunk/include/linux/fs.h b/trunk/include/linux/fs.h
@@ -1408,6 +1408,7 @@ struct super_block {
 	wait_queue_head_t	s_wait_unfrozen;
 
 	char s_id[32];				/* Informational name */
+	u8 s_uuid[16];				/* UUID */
 
 	void 			*s_fs_info;	/* Filesystem private info */
 	fmode_t			s_mode;