aboutsummaryrefslogtreecommitdiffstats
path: root/meta/recipes-core/udev/udev/udev-cache
diff options
context:
space:
mode:
Diffstat (limited to 'meta/recipes-core/udev/udev/udev-cache')
-rw-r--r--meta/recipes-core/udev/udev/udev-cache17
1 files changed, 3 insertions, 14 deletions
diff --git a/meta/recipes-core/udev/udev/udev-cache b/meta/recipes-core/udev/udev/udev-cache
index a1410f5579..e0e1c39488 100644
--- a/meta/recipes-core/udev/udev/udev-cache
+++ b/meta/recipes-core/udev/udev/udev-cache
@@ -21,20 +21,10 @@ SYSCONF_CACHED="/etc/udev/cache.data"
SYSCONF_TMP="/dev/shm/udev.cache"
# A list of files which are used as a criteria to judge whether the udev cache could be reused.
-CMP_FILE_LIST="/proc/version /proc/cmdline /proc/devices /proc/atags"
+CMP_FILE_LIST="/proc/version /proc/cmdline /proc/devices"
+[ -f /proc/atags ] && CMP_FILE_LIST="$CMP_FILE_LIST /proc/atags"
[ -f /etc/default/udev-cache ] && . /etc/default/udev-cache
-readfiles () {
- READDATA=""
- for filename in $@; do
- if [ -r $filename ]; then
- while read line; do
- READDATA="$READDATA$line"
- done < $filename
- fi
- done
-}
-
if [ "$ROOTFS_READ_ONLY" = "yes" ]; then
[ "$VERBOSE" != "no" ] && echo "udev-cache: read-only rootfs, skip generating udev-cache"
exit 0
@@ -43,8 +33,7 @@ fi
if [ "$DEVCACHE" != "" -a -e "$SYSCONF_TMP" ]; then
echo "Populating dev cache"
udevadm control --stop-exec-queue
- readfiles $CMP_FILE_LIST
- echo "$READDATA" > "$SYSCONF_TMP"
+ cat -- $CMP_FILE_LIST > "$SYSCONF_TMP"
find /dev -xdev \( -type b -o -type c -o -type l \) | cut -c 2- \
| xargs tar cf "${DEVCACHE_TMP}" -T-
gzip < "${DEVCACHE_TMP}" > "$DEVCACHE"