[OE-core] [PATCH v3 8/9] udev-cache: Update cache asynchronously

[Richard Tollerton]

Don't hold up the boot while the cache is being updated.

Signed-off-by: Richard Tollerton <rich.tollerton at ni.com>
Signed-off-by: Ben Shelton <ben.shelton at ni.com>
Acked-by: Gratian Crisan <gratian.crisan at ni.com>
---
 meta/recipes-core/udev/udev/udev-cache | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/meta/recipes-core/udev/udev/udev-cache b/meta/recipes-core/udev/udev/udev-cache
index 571463f..3c18061 100644
--- a/meta/recipes-core/udev/udev/udev-cache
+++ b/meta/recipes-core/udev/udev/udev-cache
@@ -44,15 +44,17 @@ fi
 
 if [ "$DEVCACHE" != "" -a -e "$DEVCACHE_REGEN" ]; then
 	echo "Populating dev cache"
-	udevadm control --stop-exec-queue
-        sysconf_cmd > "$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}" > "$DEVCACHE"
-	rm -f "${DEVCACHE_TMP}"
-	mv "$SYSCONF_TMP" "$SYSCONF_CACHED"
-	udevadm control --start-exec-queue
-	rm -f "$DEVCACHE_REGEN"
+	(
+		udevadm control --stop-exec-queue
+		sysconf_cmd > "$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}" > "$DEVCACHE"
+			rm -f "${DEVCACHE_TMP}"
+			mv "$SYSCONF_TMP" "$SYSCONF_CACHED"
+			udevadm control --start-exec-queue
+			rm -f "$DEVCACHE_REGEN"
+	) &
 fi
 
 exit 0
-- 
2.1.3