openrc/init.d/localmount.in
William Hubbs d2988dc7dd remove redundant sync calls
The localmount and mount-ro scripts were flushing pending disk writes by
calling sync twice in succession. This is no longer necessary; see the
bug report and blog post for reasons we were still doing this.

Reported-by: Patrick Lauer <patrick@gentoo.org>
X-Gentoo-Bug: 487382
X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=487382
2013-10-18 16:32:51 -05:00

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#!@SBINDIR@/runscript
# Copyright (c) 2007-2009 Roy Marples <roy@marples.name>
# Released under the 2-clause BSD license.
description="Mounts disks and swap according to /etc/fstab."
depend()
{
need fsck
use lvm modules mtab
after lvm modules
keyword -jail -prefix -vserver -lxc
}
start()
{
# Mount local filesystems in /etc/fstab.
local types="noproc" x= no_netdev=
for x in $net_fs_list $extra_net_fs_list; do
types="${types},no${x}"
done
if [ "$RC_UNAME" = Linux ]; then
no_netdev="-O no_netdev"
if mountinfo -q /usr; then
touch "$RC_SVCDIR"/usr_premounted
fi
fi
ebegin "Mounting local filesystems"
mount -at "$types" $no_netdev
eend $? "Some local filesystem failed to mount"
# Always return 0 - some local mounts may not be critical for boot
return 0
}
stop()
{
yesno $RC_GOINGDOWN || return 0
# We never unmount / or /dev or $RC_SVCDIR
# Bug 381783
local rc_svcdir=$(printf '%s\n' "$RC_SVCDIR" | sed 's:/lib\(32\|64\)\?/:/lib(32|64)?/:g')
local x= no_umounts_r="/|/dev|/dev/.*|${rc_svcdir}"
no_umounts_r="${no_umounts_r}|/bin|/sbin|/lib(32|64)?|/libexec"
# RC_NO_UMOUNTS is an env var that can be set by plugins
local IFS="$IFS:"
for x in $no_umounts $RC_NO_UMOUNTS; do
no_umounts_r="$no_umounts_r|$x"
done
if [ "$RC_UNAME" = Linux ]; then
no_umounts_r="$no_umounts_r|/proc|/proc/.*|/run|/sys|/sys/.*"
if [ -e "$rc_svcdir"/usr_premounted ]; then
no_umounts_r="$no_umounts_r|/usr"
fi
fi
no_umounts_r="^($no_umounts_r)$"
# Flush all pending disk writes now
sync
. "$RC_LIBEXECDIR"/sh/rc-mount.sh
# Umount loop devices
einfo "Unmounting loop devices"
eindent
do_unmount "umount -d" --skip-point-regex "$no_umounts_r" \
--node-regex "^/dev/loop"
eoutdent
# Now everything else, except network filesystems as the
# network should be down by this point.
einfo "Unmounting filesystems"
eindent
local fs=
for x in $net_fs_list $extra_net_fs_list; do
fs="$fs${fs:+|}$x"
done
[ -n "$fs" ] && fs="^($fs)$"
do_unmount umount --skip-point-regex "$no_umounts_r" \
"${fs:+--skip-fstype-regex}" $fs --nonetdev
eoutdent
return 0
}