udev-cache: Update cache asynchronously
Don't hold up the boot while the cache is being updated. (From OE-Core rev: eb52b257511b7624c8e212f5e9df711935d619ee) Signed-off-by: Richard Tollerton <rich.tollerton@ni.com> Signed-off-by: Ben Shelton <ben.shelton@ni.com> Acked-by: Gratian Crisan <gratian.crisan@ni.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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@ -44,15 +44,17 @@ fi
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if [ "$DEVCACHE" != "" -a -e "$DEVCACHE_REGEN" ]; then
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echo "Populating dev cache"
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udevadm control --stop-exec-queue
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sysconf_cmd > "$SYSCONF_TMP"
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find /dev -xdev \( -type b -o -type c -o -type l \) | cut -c 2- \
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| xargs tar cf "${DEVCACHE_TMP}" -T-
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gzip < "${DEVCACHE_TMP}" > "$DEVCACHE"
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rm -f "${DEVCACHE_TMP}"
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mv "$SYSCONF_TMP" "$SYSCONF_CACHED"
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udevadm control --start-exec-queue
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rm -f "$DEVCACHE_REGEN"
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(
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udevadm control --stop-exec-queue
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sysconf_cmd > "$SYSCONF_TMP"
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find /dev -xdev \( -type b -o -type c -o -type l \) | cut -c 2- \
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| xargs tar cf "${DEVCACHE_TMP}" -T-
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gzip < "${DEVCACHE_TMP}" > "$DEVCACHE"
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rm -f "${DEVCACHE_TMP}"
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mv "$SYSCONF_TMP" "$SYSCONF_CACHED"
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udevadm control --start-exec-queue
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rm -f "$DEVCACHE_REGEN"
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) &
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fi
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exit 0
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