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| author | Daniel Dickinson <daniel@cshore.neomailbox.net> | 2010-06-29 10:07:45 +0000 |
|---|---|---|
| committer | Daniel Dickinson <daniel@cshore.neomailbox.net> | 2010-06-29 10:07:45 +0000 |
| commit | c0edae12e180ccfa6b0403d279b2b9cfd39715d2 (patch) | |
| tree | 87a0772e56f2aa594b8d81a882eea694f30874fd /package | |
| parent | 54ffe62dedb1f1081841a48964f33ae698e55f2d (diff) | |
| download | upstream-c0edae12e180ccfa6b0403d279b2b9cfd39715d2.tar.gz upstream-c0edae12e180ccfa6b0403d279b2b9cfd39715d2.tar.bz2 upstream-c0edae12e180ccfa6b0403d279b2b9cfd39715d2.zip | |
block-mount: Fixed mount deadlocks due to buggy use of locks in /lib/functions/block.sh
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21987 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package')
| -rw-r--r-- | package/block-mount/files/block.sh | 34 |
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() { |