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Diffstat (limited to 'meta/recipes-core/initscripts/initscripts-1.0/checkroot.sh')
-rwxr-xr-x | meta/recipes-core/initscripts/initscripts-1.0/checkroot.sh | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/meta/recipes-core/initscripts/initscripts-1.0/checkroot.sh b/meta/recipes-core/initscripts/initscripts-1.0/checkroot.sh new file mode 100755 index 0000000000..02697ce9bf --- /dev/null +++ b/meta/recipes-core/initscripts/initscripts-1.0/checkroot.sh | |||
@@ -0,0 +1,137 @@ | |||
1 | ### BEGIN INIT INFO | ||
2 | # Provides: checkroot | ||
3 | # Required-Start: udev | ||
4 | # Required-Stop: | ||
5 | # Default-Start: S | ||
6 | # Default-Stop: | ||
7 | # Short-Description: Check to root file system. | ||
8 | ### END INIT INFO | ||
9 | |||
10 | . /etc/default/rcS | ||
11 | |||
12 | # | ||
13 | # Set SULOGIN in /etc/default/rcS to yes if you want a sulogin to be spawned | ||
14 | # from this script *before anything else* with a timeout, like SCO does. | ||
15 | # | ||
16 | test "$SULOGIN" = yes && sulogin -t 30 $CONSOLE | ||
17 | |||
18 | # | ||
19 | # Read /etc/fstab. | ||
20 | # | ||
21 | exec 9< /etc/fstab | ||
22 | rootmode=rw | ||
23 | rootopts=rw | ||
24 | rootcheck=no | ||
25 | swap_on_md=no | ||
26 | devfs= | ||
27 | while read fs mnt type opts dump pass junk <&9 | ||
28 | do | ||
29 | case "$fs" in | ||
30 | ""|\#*) | ||
31 | continue; | ||
32 | ;; | ||
33 | /dev/md*) | ||
34 | # Swap on md device. | ||
35 | test "$type" = swap && swap_on_md=yes | ||
36 | ;; | ||
37 | /dev/*) | ||
38 | ;; | ||
39 | *) | ||
40 | # Might be a swapfile. | ||
41 | test "$type" = swap && swap_on_md=yes | ||
42 | ;; | ||
43 | esac | ||
44 | test "$type" = devfs && devfs="$fs" | ||
45 | test "$mnt" != / && continue | ||
46 | rootopts="$opts" | ||
47 | test "$pass" = 0 -o "$pass" = "" && rootcheck=no | ||
48 | case "$opts" in | ||
49 | ro|ro,*|*,ro|*,ro,*) | ||
50 | rootmode=ro | ||
51 | ;; | ||
52 | esac | ||
53 | done | ||
54 | exec 0>&9 9>&- | ||
55 | |||
56 | # | ||
57 | # Activate the swap device(s) in /etc/fstab. This needs to be done | ||
58 | # before fsck, since fsck can be quite memory-hungry. | ||
59 | # | ||
60 | test "$VERBOSE" != no && echo "Activating swap" | ||
61 | swapon -a 2> /dev/null | ||
62 | |||
63 | # | ||
64 | # Check the root filesystem. | ||
65 | # | ||
66 | if test -f /fastboot || test $rootcheck = no | ||
67 | then | ||
68 | test $rootcheck = yes && echo "Fast boot, no filesystem check" | ||
69 | else | ||
70 | # | ||
71 | # Ensure that root is quiescent and read-only before fsck'ing. | ||
72 | # | ||
73 | mount -n -o remount,ro / | ||
74 | if test $? = 0 | ||
75 | then | ||
76 | if test -f /forcefsck | ||
77 | then | ||
78 | force="-f" | ||
79 | else | ||
80 | force="" | ||
81 | fi | ||
82 | if test "$FSCKFIX" = yes | ||
83 | then | ||
84 | fix="-y" | ||
85 | else | ||
86 | fix="-a" | ||
87 | fi | ||
88 | spinner="-C" | ||
89 | case "$TERM" in | ||
90 | dumb|network|unknown|"") spinner="" ;; | ||
91 | esac | ||
92 | test `uname -m` = s390 && spinner="" # This should go away | ||
93 | test "$VERBOSE" != no && echo "Checking root filesystem..." | ||
94 | fsck $spinner $force $fix / | ||
95 | # | ||
96 | # If there was a failure, drop into single-user mode. | ||
97 | # | ||
98 | # NOTE: "failure" is defined as exiting with a return code of | ||
99 | # 2 or larger. A return code of 1 indicates that filesystem | ||
100 | # errors were corrected but that the boot may proceed. | ||
101 | # | ||
102 | if test "$?" -gt 1 | ||
103 | then | ||
104 | # Surprise! Re-directing from a HERE document (as in | ||
105 | # "cat << EOF") won't work, because the root is read-only. | ||
106 | echo | ||
107 | echo "fsck failed. Please repair manually and reboot. Please note" | ||
108 | echo "that the root filesystem is currently mounted read-only. To" | ||
109 | echo "remount it read-write:" | ||
110 | echo | ||
111 | echo " # mount -n -o remount,rw /" | ||
112 | echo | ||
113 | echo "CONTROL-D will exit from this shell and REBOOT the system." | ||
114 | echo | ||
115 | # Start a single user shell on the console | ||
116 | /sbin/sulogin $CONSOLE | ||
117 | reboot -f | ||
118 | fi | ||
119 | else | ||
120 | echo "*** ERROR! Cannot fsck root fs because it is not mounted read-only!" | ||
121 | echo | ||
122 | fi | ||
123 | fi | ||
124 | |||
125 | # | ||
126 | # If the root filesystem was not marked as read-only in /etc/fstab, | ||
127 | # remount the rootfs rw but do not try to change mtab because it | ||
128 | # is on a ro fs until the remount succeeded. Then clean up old mtabs | ||
129 | # and finally write the new mtab. | ||
130 | # | ||
131 | mount -n -o remount,$rootmode / | ||
132 | if test "$rootmode" = rw | ||
133 | then | ||
134 | ln -sf /proc/mounts /dev/mtab | ||
135 | fi | ||
136 | |||
137 | : exit 0 | ||