qi-hardware/openwrt-xburst
1
0
Fork 0
mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2024-11-23 23:16:16 +02:00
Code

block-mount: Fixed mount deadlocks due to buggy use of locks in /lib/functions/block.sh

Browse Source 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21987 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
cshore 2010-06-29 10:07:45 +00:00
parent ea4702f529
commit e874a71630
1 changed files with 20 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
package/block-mount/files/block.sh
View File

@ -118,15 +118,18 @@ config_create_swap_fstab_entry() {
[ -n "$device" ] || return 0
local fstabnew="$(mktemp -t '.fstab.XXXXXXXX')"
local fstabnew
mkdir -p /var/lock
lock -w /var/lock/fstab.lck && {
lock /var/lock/fstab.lck
fstabnew="$(mktemp -t '.fstab.XXXXXXXX')"
cat /tmp/fstab | grep -E -v "^$device[[:blank:]]" >>"$fstabnew"
[ "$enabled" -eq 1 ] && echo "$device none swap sw 0 0" >> "$fstabnew"
cat "$fstabnew" >/tmp/fstab
lock -u /var/lock/fstab.lck
rm -f $fstabnew
lock -u /var/lock/fstab.lck
}
}
config_create_mount_fstab_entry() {
@ -140,15 +143,18 @@ config_create_mount_fstab_entry() {
[ -n "$target" ] || return 0
[ -n "$device" ] || return 0
local fstabnew="$(mktemp -t '.fstab.XXXXXXXX')"
local fstabnew
mkdir -p /var/lock
lock -w /var/lock/fstab.lck && {
lock /var/lock/fstab.lck
fstabnew="$(mktemp -t '.fstab.XXXXXXXX')"
cat /tmp/fstab | grep -E -v "^$device[[:blank:]]" | grep -v "$target" >>"$fstabnew"
echo "$device $target $fstype $options 0 0" >>"$fstabnew"
cat "$fstabnew" >/tmp/fstab
lock -u /var/lock/fstab.lck
rm -f $fstabnew
lock -u /var/lock/fstab.lck
}
}
libmount_find_token() {