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Code Issues

block-mount: remove explicit lock waits, solves some potential race conditions

Browse Source 
SVN-Revision: 27226
This commit is contained in:
Jo-Philipp Wich 2011-06-19 18:15:14 +00:00
parent e6af77a1c8
commit a434ed2fc6
3 changed files with 21 additions and 27 deletions
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2
package/block-mount/Makefile
View File

@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=block-mount
PKG_VERSION:=0.2.0
PKG_RELEASE:=5
PKG_RELEASE:=6
include $(INCLUDE_DIR)/package.mk

4
package/block-mount/files/block.sh
View File

@ -121,7 +121,6 @@ config_create_swap_fstab_entry() {
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"
@ -130,7 +129,6 @@ config_create_swap_fstab_entry() {
rm -f $fstabnew
lock -u /var/lock/fstab.lck
}
}
config_create_mount_fstab_entry() {
local device="$1"
@ -146,7 +144,6 @@ config_create_mount_fstab_entry() {
local fstabnew
mkdir -p /var/lock
lock -w /var/lock/fstab.lck && {
lock /var/lock/fstab.lck
fstabnew="$(mktemp -t '.fstab.XXXXXXXX')"
cat /tmp/fstab | grep -E -v "^$device[[:blank:]]" | grep -v "$target" >>"$fstabnew"
@ -155,7 +152,6 @@ config_create_mount_fstab_entry() {
rm -f $fstabnew
lock -u /var/lock/fstab.lck
}
}
libmount_find_token() {
local token="$1"

2
package/block-mount/files/fstab.init
View File

@ -66,13 +66,11 @@ start() {
config_load fstab
mkdir -p /var/lock
lock -w /var/lock/fstab.lck && {
lock /var/lock/fstab.lck
[ -e /tmp/fstab ] || {
echo '# WARNING: this is an auto generated file, please use uci to set defined filesystems' > /tmp/fstab
}
lock -u /var/lock/fstab.lck
}
config_foreach do_swapon swap
config_foreach do_mount mount
config_foreach do_swapon swap # do swap a second time so that swap on filesystems is enabled