[Buildroot] [PATCH 3/3] package/busybox: run mdev in daemon mode
Titouan Christophe
titouan.christophe at railnova.eu
Wed Jun 19 16:42:57 UTC 2019
- Enable the mdev daemon mode in Busybox default config
- Update the S10mdev init script to use the daemon mode
Signed-off-by: Titouan Christophe <titouan.christophe at railnova.eu>
---
package/busybox/S10mdev | 27 +++++++++++++++++++++------
package/busybox/busybox.config | 1 +
2 files changed, 22 insertions(+), 6 deletions(-)
diff --git a/package/busybox/S10mdev b/package/busybox/S10mdev
index efef4290ba..3c6f47c18c 100644
--- a/package/busybox/S10mdev
+++ b/package/busybox/S10mdev
@@ -1,13 +1,17 @@
#!/bin/sh
#
-# Start mdev....
+# Run the mdev daemon
#
+DAEMON="mdev"
+PIDFILE="/var/run/$DAEMON.pid"
+
start() {
- echo "Starting mdev..."
- echo /sbin/mdev >/proc/sys/kernel/hotplug
- /sbin/mdev -s
+ echo -n "Starting $DAEMON... "
+ start-stop-daemon -S -b -m -p $PIDFILE -x /sbin/mdev -- -df
+ [ $? -eq 0 ] && echo "OK" || echo "ERROR"
+
# coldplug modules
find /sys/ -name modalias -print0 | \
xargs -0 sort -u | \
@@ -15,12 +19,23 @@ start() {
xargs -0 modprobe -abq
}
+stop() {
+ echo -n "Stopping $DAEMON... "
+ start-stop-daemon -K -p $PIDFILE
+ [ $? -eq 0 ] && echo "OK" || echo "ERROR"
+}
+
+restart() {
+ stop
+ start
+}
+
case "$1" in
- start)
+ start|stop|restart)
"$1"
;;
*)
- echo "Usage: $0 start"
+ echo "Usage: $0 {start|stop|restart}"
exit 1
esac
diff --git a/package/busybox/busybox.config b/package/busybox/busybox.config
index 1d9560d655..c28718a725 100644
--- a/package/busybox/busybox.config
+++ b/package/busybox/busybox.config
@@ -628,6 +628,7 @@ CONFIG_FEATURE_MDEV_RENAME=y
# CONFIG_FEATURE_MDEV_RENAME_REGEXP is not set
CONFIG_FEATURE_MDEV_EXEC=y
# CONFIG_FEATURE_MDEV_LOAD_FIRMWARE is not set
+CONFIG_FEATURE_MDEV_DAEMON=y
CONFIG_MESG=y
CONFIG_FEATURE_MESG_ENABLE_ONLY_GROUP=y
CONFIG_MKE2FS=y
--
2.21.0
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