$DEVCACHE is observed to be 100k uncompressed; compressing it reduces
its size to ~5k. But compress it outside of `tar` so that archival
operation takes as little time as possible, to minimize the risk of
devices being created/removed during execution.
(From OE-Core rev:
571df6ddba1caa6805f7c96cd592eea399c2aee2)
Signed-off-by: Richard Tollerton <rich.tollerton@ni.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
if [ "$DEVCACHE" != "" -a -e /dev/shm/udev.cache ]; then
echo "Populating dev cache"
(cd /; tar cf "${DEVCACHE_TMP}" dev)
- mv -f "${DEVCACHE_TMP}" "$DEVCACHE"
+ gzip < "${DEVCACHE_TMP}" > "$DEVCACHE"
+ rm -f "${DEVCACHE_TMP}"
mv /dev/shm/udev.cache /etc/udev/cache.data
fi
# Default for /etc/init.d/udev
# Comment this out to disable device cache
-DEVCACHE="/etc/dev.tar"
+DEVCACHE="/etc/dev.tar.gz"
PROBE_PLATFORM_BUS="yes"