- only include needed /etc/crypttab entries Resolves:rhbz#919752 - add support for bridge over team and vlan - support multiple bonding interfaces - add "action_on_fail=" kernel command line parameter - add support for bridge over a vlan tagged interface
210 lines
6.5 KiB
Diff
210 lines
6.5 KiB
Diff
From 9d36d4fb1d0774d9ef0597abb79390e88771bf1e Mon Sep 17 00:00:00 2001
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From: Harald Hoyer <harald@redhat.com>
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Date: Tue, 9 Apr 2013 10:47:39 +0200
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Subject: [PATCH] dracut-functions.sh: make use of findmnt
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---
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dracut-functions.sh | 163 +++++++++++++++++++++-------------------------------
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1 file changed, 64 insertions(+), 99 deletions(-)
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diff --git a/dracut-functions.sh b/dracut-functions.sh
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index eba7412..96d3c6e 100755
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--- a/dracut-functions.sh
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+++ b/dracut-functions.sh
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@@ -319,131 +319,96 @@ get_maj_min() {
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# $ find_block_device /usr
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# 8:4
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find_block_device() {
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- local _x _mpt _majmin _dev _fs _maj _min _find_mpt
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+ local _majmin _dev _majmin _find_mpt
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_find_mpt="$1"
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if [[ $use_fstab != yes ]]; then
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- while read _x; do
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- set -- $_x
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- _majmin="$3"
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- _mpt="$5"
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- [[ $8 = "-" ]] && shift
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- _fs="$8"
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- _dev="$9"
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- [[ $_mpt = $_find_mpt ]] || continue
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- [[ $_fs = nfs ]] && { echo $_dev; return 0;}
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- [[ $_fs = nfs3 ]] && { echo $_dev; return 0;}
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- [[ $_fs = nfs4 ]] && { echo $_dev; return 0;}
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- [[ $_fs = btrfs ]] && {
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- get_maj_min $_dev
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- return 0;
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- }
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- if [[ ${_majmin#0:} = $_majmin ]]; then
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- echo $_majmin
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- return 0 # we have a winner!
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+ [[ -d $_find_mpt/. ]]
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+ while read _majmin _dev; do
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+ if [[ -b $_dev ]]; then
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+ if ! [[ $_majmin ]] || [[ $_majmin == 0:* ]]; then
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+ read _majmin < <(get_maj_min $_dev)
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+ fi
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+ if [[ $_majmin ]]; then
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+ echo $_majmin
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+ else
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+ echo $_dev
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+ fi
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+ return 0
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+ fi
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+ if [[ $_dev = *:* ]]; then
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+ echo $_dev
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+ return 0
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fi
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- done < /proc/self/mountinfo
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+ done < <(findmnt -e -v -n -o 'MAJ:MIN,SOURCE' "$_find_mpt")
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fi
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# fall back to /etc/fstab
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- while read _dev _mpt _fs _x; do
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- [ "${_dev%%#*}" != "$_dev" ] && continue
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-
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- if [[ $_mpt = $_find_mpt ]]; then
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- [[ $_fs = nfs ]] && { echo $_dev; return 0;}
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- [[ $_fs = nfs3 ]] && { echo $_dev; return 0;}
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- [[ $_fs = nfs4 ]] && { echo $_dev; return 0;}
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- [[ $_dev != ${_dev#UUID=} ]] && _dev=/dev/disk/by-uuid/${_dev#UUID=}
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- [[ $_dev != ${_dev#LABEL=} ]] && _dev=/dev/disk/by-label/${_dev#LABEL=}
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- [[ -b $_dev ]] || return 1 # oops, not a block device.
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- get_maj_min "$_dev" && return 0
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+
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+ while read _majmin _dev; do
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+ if ! [[ $_dev ]]; then
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+ _dev="$_majmin"
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+ unset _majmin
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+ fi
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+ if [[ -b $_dev ]]; then
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+ [[ $_majmin ]] || read _majmin < <(get_maj_min $_dev)
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+ if [[ $_majmin ]]; then
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+ echo $_majmin
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+ else
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+ echo $_dev
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+ fi
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+ return 0
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+ fi
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+ if [[ $_dev = *:* ]]; then
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+ echo $_dev
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+ return 0
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fi
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- done < /etc/fstab
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+ done < <(findmnt -e --fstab -v -n -o 'MAJ:MIN,SOURCE' "$_find_mpt")
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return 1
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}
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-# find_dev_fstype <device>
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-# Echo the filesystem type for a given device.
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+# find_mp_fstype <mountpoint>
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+# Echo the filesystem type for a given mountpoint.
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# /proc/self/mountinfo is taken as the primary source of information
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# and /etc/fstab is used as a fallback.
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# No newline is appended!
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# Example:
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-# $ find_dev_fstype /dev/sda2;echo
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+# $ find_mp_fstype /;echo
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# ext4
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-find_dev_fstype() {
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- local _x _mpt _majmin _dev _fs _maj _min _find_dev
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- _find_dev="$1"
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- strstr "$_find_dev" "/dev" || _find_dev="/dev/block/$_find_dev"
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- while read _x; do
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- set -- $_x
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- _majmin="$3"
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- _mpt="$5"
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- [[ $8 = "-" ]] && shift
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- _fs="$8"
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- _dev="$9"
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- strstr "$_dev" "/dev" || continue
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- [[ $_dev -ef $_find_dev ]] || continue
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- [[ $_fs = "autofs" ]] && continue
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- echo -n $_fs;
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- return 0;
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- done < /proc/self/mountinfo
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+find_mp_fstype() {
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+ local _fs
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- # fall back to /etc/fstab
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- while read _dev _mpt _fs _x; do
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- [ "${_dev%%#*}" != "$_dev" ] && continue
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- case "$_dev" in
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- LABEL=*)
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- _dev="$(echo $_dev | sed 's,/,\\x2f,g')"
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- _dev="/dev/disk/by-label/${_dev#LABEL=}"
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- ;;
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- UUID=*)
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- _dev="/dev/disk/by-uuid/${_dev#UUID=}"
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- ;;
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- PARTUUID=*)
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- _dev="/dev/disk/by-partuuid/${_dev#PARTUUID=}"
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- ;;
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- esac
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+ if [[ $use_fstab != yes ]]; then
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+ while read _fs; do
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+ [[ $_fs ]] || continue
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+ [[ $_fs = "autofs" ]] && continue
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+ echo -n $_fs
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+ return 0
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+ done < <(findmnt -e -v -n -o 'FSTYPE' "$1")
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+ fi
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- [[ $_dev -ef $_find_dev ]] || continue
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- echo -n $_fs;
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- return 0;
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- done < /etc/fstab
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+ while read _fs; do
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+ [[ $_fs ]] || continue
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+ [[ $_fs = "autofs" ]] && continue
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+ echo -n $_fs
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+ return 0
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+ done < <(findmnt --fstab -e -v -n -o 'FSTYPE' "$1")
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return 1
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}
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-# find_mp_fstype <mountpoint>
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-# Echo the filesystem type for a given mountpoint.
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+# find_dev_fstype <device>
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+# Echo the filesystem type for a given device.
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# /proc/self/mountinfo is taken as the primary source of information
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# and /etc/fstab is used as a fallback.
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# No newline is appended!
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# Example:
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-# $ find_mp_fstype /;echo
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+# $ find_dev_fstype /dev/sda2;echo
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# ext4
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-find_mp_fstype() {
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- local _x _mpt _majmin _dev _fs _maj _min _find_mpt
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- _find_mpt="$1"
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- while read _x; do
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- set -- $_x
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- _majmin="$3"
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- _mpt="$5"
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- [[ $8 = "-" ]] && shift
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- _fs="$8"
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- _dev="$9"
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- [[ $_mpt = $_find_mpt ]] || continue
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- [[ $_fs = "autofs" ]] && continue
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- echo -n $_fs;
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- return 0;
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- done < /proc/self/mountinfo
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-
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- # fall back to /etc/fstab
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- while read _dev _mpt _fs _x; do
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- [ "${_dev%%#*}" != "$_dev" ] && continue
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- [[ $_mpt = $_find_mpt ]] || continue
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- echo -n $_fs;
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- return 0;
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- done < /etc/fstab
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-
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- return 1
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+find_dev_fstype() {
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+ local _x _mpt _majmin _dev _fs _maj _min _find_dev
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+ _find_dev="$1"
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+ [[ "$_find_dev" = /dev* ]] || _find_dev="/dev/block/$_find_dev"
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+ find_mp_fstype "$_find_dev"
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}
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# finds the major:minor of the block device backing the root filesystem.
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