Diff of /trunk/busybox/mdev.rc

Parent Directory | Revision Log | Patch

	revision 1113 by niro, Sun Aug 22 16:43:06 2010 UTC	revision 1723 by niro, Mon Apr 2 13:07:13 2012 UTC
#	Line 32  seed_dev()	Line 32  seed_dev()
32	evaluate_retval	evaluate_retval
33	}	}
34
35		# This works for 2.6.15 kernels or greater
36		trigger_uevents()
37		{
38		local list=""
39		local i
40		local first
41		local last
42		local default
43
44		# if you want real coldplug (with all modules being loaded for all
45		# devices in the system), uncomment out the next line.
46		list="${lis}t $(echo /sys/bus/*/devices/*/uevent)"
47		list="${list} $(echo /sys/class/*/*/uevent)"
48		list="${list} $(echo /sys/block/*/uevent /sys/block/*/*/uevent)"
49		for i in ${list}
50		do
51		case "${i}" in
52		*/device/uevent)
53		# skip followed device symlinks
54		continue
55		;;
56		*/class/mem/*|*/class/tty/*)
57		first="${first} ${i}"
58		;;
59		*/block/md*)
60		last="${last} ${i}"
61		;;
62		*/*)
63		default="${default} ${i}"
64		;;
65		esac
66		done
67
68		# trigger the sorted events
69		for i in ${first} ${default} ${last}
70		do
71		echo "add" > "${i}"
72		done
73		}
74
75	# main functions	# main functions
76	start_devicemanager()	start_devicemanager()
77	{	{
78	# create a ramdisk for populating mdev	# create a ramdisk for populating mdev
79	rc_print "Mounting mdev at /dev ..."	if [[ -z $(grep '[[:space:]]/dev[[:space:]]' /proc/mounts | cut -d ' ' -f2) ]]
80	# many video drivers needed exec access	then
81	fstype=ramfs	rc_print "Mounting mdev at /dev ..."
82	# tmpfs was suggested by Greg Kroah-Hartman	# many video drivers needed exec access
83	kernel_supports_fs tmpfs && fstype=tmpfs	fstype=ramfs
84	# mount devtmpfs if supported	# tmpfs was suggested by Greg Kroah-Hartman
85	kernel_supports_fs devtmpfs && fstype=devtmpfs	kernel_supports_fs tmpfs && fstype=tmpfs
86	mount -n -t ${fstype} mdev /dev -o exec,nosuid,mode=0755,size=1024	# mount devtmpfs if supported
87	evaluate_retval	kernel_supports_fs devtmpfs && fstype=devtmpfs
88		mount -n -t ${fstype} dev /dev -o exec,nosuid,mode=0755,size=10M
89		evaluate_retval
90		fi
91
92	# other eeded device nodes with udev	# other needed device nodes with mdev
93	seed_dev	seed_dev
94
95	if [ -e /proc/sys/kernel/hotplug ]	if [ -e /proc/sys/kernel/hotplug ]
#	Line 65  start_devicemanager()	Line 108  start_devicemanager()
108	modprobe -q unix 2>/dev/null	modprobe -q unix 2>/dev/null
109	fi	fi
110
111		rc_print "  Populating /dev with existing devices through uevents ..."
112		trigger_uevents
113
114	rc_print "  Starting mdev ..."	rc_print "  Starting mdev ..."
115	/sbin/mdev -s	/sbin/mdev -s
116	evaluate_retval	evaluate_retval

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