From 81672479afb4806568f1dea7fac9b8d7271c71f6 Mon Sep 17 00:00:00 2001

From: Harald Hoyer <harald@redhat.com>

Date: Thu, 26 Jul 2012 17:00:07 +0200

Subject: [PATCH] dracut-functions.sh: add find_mp_fstype()

---

 dracut-functions.sh | 27 +++++++++++++++++++++++++++

 1 file changed, 27 insertions(+)

diff --git a/dracut-functions.sh b/dracut-functions.sh

index 14c100d..0332351 100755

--- a/dracut-functions.sh

+++ b/dracut-functions.sh

@@ -357,6 +357,33 @@ find_dev_fstype() {

     return 1

 }

+# find_dev_fstype <device>

+# Echo the filesystem type for a given device.

+# /proc/self/mountinfo is taken as the primary source of information

+# and /etc/fstab is used as a fallback.

+# No newline is appended!

+# Example:

+# $ find_dev_fstype /dev/sda2;echo

+# ext4

+find_mp_fstype() {

+    local _x _mpt _majmin _dev _fs _maj _min

+    while read _x _x _majmin _x _mpt _x _x _fs _dev _x; do

+        [[ $_mpt = $1 ]] || continue

+        echo -n $_fs;

+        return 0;

+    done < /proc/self/mountinfo

+

+    # fall back to /etc/fstab

+    while read _dev _mpt _fs _x; do

+        [[ $_mpt = $1 ]] || continue

+        echo -n $_fs;

+        return 0;

+    done < /etc/fstab

+

+    return 1

+}

+

+

 # finds the major:minor of the block device backing the root filesystem.

 find_root_block_device() { find_block_device /; }