[oe] [PATCH] Modified populate-volatile.sh to atomically update volatile.cache, to avoid power loss issues. Signed-off-by: jameslimbouris <james at digitalmatter.com.au>
James Limbouris
james at digitalmatter.com.au
Tue Jun 7 02:58:47 UTC 2011
---
.../initscripts-1.0/populate-volatile.sh | 10 ++++++----
1 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/recipes/initscripts/initscripts-1.0/populate-volatile.sh b/recipes/initscripts/initscripts-1.0/populate-volatile.sh
index 3bb3d94..e355680 100755
--- a/recipes/initscripts/initscripts-1.0/populate-volatile.sh
+++ b/recipes/initscripts/initscripts-1.0/populate-volatile.sh
@@ -14,7 +14,7 @@ create_file() {
chown ${TUSER}.${TGROUP} $1 || echo \"Failed to set owner -${TUSER}- for -$1-.\" >/dev/tty0 2>&1;
chmod ${TMODE} $1 || echo \"Failed to set mode -${TMODE}- for -$1-.\" >/dev/tty0 2>&1 "
- test "$VOLATILE_ENABLE_CACHE" = yes && echo "$EXEC" >> /etc/volatile.cache
+ test "$VOLATILE_ENABLE_CACHE" = yes && echo "$EXEC" >> /etc/volatile.cache.build
[ -e "$1" ] && {
[ "${VERBOSE}" != "no" ] && echo "Target already exists. Skipping."
@@ -29,7 +29,7 @@ mk_dir() {
chown ${TUSER}.${TGROUP} $1 || echo \"Failed to set owner -${TUSER}- for -$1-.\" >/dev/tty0 2>&1;
chmod ${TMODE} $1 || echo \"Failed to set mode -${TMODE}- for -$1-.\" >/dev/tty0 2>&1 "
- test "$VOLATILE_ENABLE_CACHE" = yes && echo "$EXEC" >> /etc/volatile.cache
+ test "$VOLATILE_ENABLE_CACHE" = yes && echo "$EXEC" >> /etc/volatile.cache.build
[ -e "$1" ] && {
[ "${VERBOSE}" != "no" ] && echo "Target already exists. Skipping."
@@ -41,7 +41,7 @@ mk_dir() {
link_file() {
EXEC="test -e \"$2\" -o -L $2 || ln -s \"$1\" \"$2\" >/dev/tty0 2>&1"
- test "$VOLATILE_ENABLE_CACHE" = yes && echo " $EXEC" >> /etc/volatile.cache
+ test "$VOLATILE_ENABLE_CACHE" = yes && echo " $EXEC" >> /etc/volatile.cache.build
[ -e "$2" ] && {
echo "Cannot create link over existing -${TNAME}-." >&2
@@ -164,8 +164,10 @@ if test -e /etc/volatile.cache -a "$VOLATILE_ENABLE_CACHE" = "yes" -a "x$1" != "
then
sh /etc/volatile.cache
else
- rm -f /etc/volatile.cache
+ rm -f /etc/volatile.cache /etc/volatile.cache.build
for file in `ls -1 "${CFGDIR}" | sort`; do
apply_cfgfile "${CFGDIR}/${file}"
done
+
+ [ -e /etc/volatile.cache.build ] && sync && mv /etc/volatile.cache.build /etc/volatile.cache
fi
--
1.7.3.4
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