Fix fetching rootfs stats (bz #871629)

0001-fsusage-Fix-fetching-rootfs-stats-on-Fedora-17.patch

@@ -0,0 +1,34 @@
+From 37774dc02db47f815d3a3da4e51d91c6d3f4bb16 Mon Sep 17 00:00:00 2001
+Message-Id: <37774dc02db47f815d3a3da4e51d91c6d3f4bb16.1360687625.git.crobinso@redhat.com>
+From: Cole Robinson <crobinso@redhat.com>
+Date: Mon, 28 Jan 2013 23:02:04 +0100
+Subject: [PATCH] fsusage: Fix fetching rootfs stats on Fedora 17
+
+When fsusage scans mtab, it matches on the first entry, but since 'rootfs'
+isn't of the expected format '/dev/<blah>' it bails out.
+
+Match early on any rootfs entries and skip them.
+
+Fixes #685897
+---
+ sysdeps/linux/fsusage.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/sysdeps/linux/fsusage.c b/sysdeps/linux/fsusage.c
+index 1356494..b186767 100644
+--- a/sysdeps/linux/fsusage.c
++++ b/sysdeps/linux/fsusage.c
+@@ -41,6 +41,10 @@ get_device(glibtop* server, const char *mountpoint,
+ 
+ 	while ((mnt = getmntent(fp)))
+ 	{
++		/* There can be multiple root mount entries, skip the unuseful one */
++		if (!strcmp(mnt->mnt_fsname, "rootfs"))
++			continue;
++
+ 		if (!strcmp(mountpoint, mnt->mnt_dir)) {
+ 			if (!strncmp(mnt->mnt_fsname, "/dev/", 5)) {
+ 				g_strlcpy(device, mnt->mnt_fsname + 5, device_size);
+-- 
+1.8.1
+