Somewhere in the 2.4.x kernel series, /proc/mounts was changed to display a
"rootfs" entry as well as the traditional "/dev/root" entry. This caused
applets such as mount and df to display two root filesystem entries....
This teaches the relevant utilities to ignore the "rootfs" entry.
-Erik
diff --git a/util-linux/mount.c b/util-linux/mount.c
index d020056..49d086c 100644
--- a/util-linux/mount.c
+++ b/util-linux/mount.c
@@ -334,7 +334,9 @@
while ((m = getmntent(mountTable)) != 0) {
char *blockDevice = m->mnt_fsname;
- if (strcmp(blockDevice, "/dev/root") == 0) {
+ if (strcmp(blockDevice, "rootfs") == 0) {
+ continue;
+ } else if (strcmp(blockDevice, "/dev/root") == 0) {
blockDevice = find_real_root_device_name(blockDevice);
}
if (!onlytype || (strcmp(m->mnt_type, onlytype) == 0)) {