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authorDaniel Dickinson <crazycshore@gmail.com>2010-06-29 10:07:45 +0000
committerDaniel Dickinson <crazycshore@gmail.com>2010-06-29 10:07:45 +0000
commite56dcdcffd8636ea59512fde8fc5e62863af9d49 (patch)
tree79d6fa2e35a01881f511a482a2fc2d40b38ccfc1 /package/block-mount
parent67416b62d76feab3ffef4b09bd152c45a54072cc (diff)
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block-mount: Fixed mount deadlocks due to buggy use of locks in /lib/functions/block.sh
SVN-Revision: 21987
Diffstat (limited to 'package/block-mount')
-rw-r--r--package/block-mount/files/block.sh34
1 files changed, 20 insertions, 14 deletions
diff --git a/package/block-mount/files/block.sh b/package/block-mount/files/block.sh
index b8a473a00f..72d6c3ab3c 100644
--- a/package/block-mount/files/block.sh
+++ b/package/block-mount/files/block.sh
@@ -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 /var/lock/fstab.lck
- 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 $fstabnew
+ lock -w /var/lock/fstab.lck && {
+ lock /var/lock/fstab.lck
+ fstabnew="$(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
+ 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 /var/lock/fstab.lck
- 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 $fstabnew
+ lock -w /var/lock/fstab.lck && {
+ lock /var/lock/fstab.lck
+ fstabnew="$(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
+ rm -f $fstabnew
+ lock -u /var/lock/fstab.lck
+ }
}
libmount_find_token() {