From: Lennart Poettering Date: Tue, 19 Oct 2010 21:45:18 +0000 (+0200) Subject: fsck: properly hook in fsck everywhere, add special support for fsck'ing root dir X-Git-Tag: v12~203 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a9e1f5ec36049dca715f83b2c6fc44a019e2da53;p=systemd fsck: properly hook in fsck everywhere, add special support for fsck'ing root dir --- diff --git a/Makefile.am b/Makefile.am index 92b1e221..9417b139 100644 --- a/Makefile.am +++ b/Makefile.am @@ -207,7 +207,9 @@ dist_systemunit_DATA = \ units/bluetooth.target \ units/smartcard.target \ units/systemd-readahead-done.timer \ - units/systemd-tmpfiles-clean.timer + units/systemd-tmpfiles-clean.timer \ + units/quotaon.service \ + units/quotacheck.service nodist_systemunit_DATA = \ units/sysinit.target \ @@ -237,7 +239,9 @@ nodist_systemunit_DATA = \ units/halt.service \ units/poweroff.service \ units/reboot.service \ - units/kexec.service + units/kexec.service \ + units/fsck@.service \ + units/fsck-root.service dist_sessionunit_DATA = \ units/session/default.target \ @@ -277,6 +281,8 @@ EXTRA_DIST = \ units/reboot.service.in \ units/kexec.service.in \ units/session/exit.service.in \ + units/fsck@.service.in \ + units/fsck-root.service.in \ systemd.pc.in if TARGET_FEDORA @@ -678,7 +684,6 @@ systemd_tmpfiles_LDADD = \ systemd_fsck_SOURCES = \ src/fsck.c \ - src/ac-power.c \ src/dbus-common.c systemd_fsck_CFLAGS = \ diff --git a/src/automount.c b/src/automount.c index f7bf7f32..c557b6eb 100644 --- a/src/automount.c +++ b/src/automount.c @@ -154,9 +154,6 @@ static int automount_add_default_dependencies(Automount *a) { if (a->meta.manager->running_as == MANAGER_SYSTEM) { - if ((r = unit_add_dependency_by_name(UNIT(a), UNIT_AFTER, SPECIAL_FSCK_TARGET, NULL, true)) < 0) - return r; - if ((r = unit_add_two_dependencies_by_name(UNIT(a), UNIT_BEFORE, UNIT_CONFLICTED_BY, SPECIAL_UMOUNT_TARGET, NULL, true)) < 0) return r; } diff --git a/src/fsck.c b/src/fsck.c index b0c3620c..0e150897 100644 --- a/src/fsck.c +++ b/src/fsck.c @@ -25,10 +25,10 @@ #include #include +#include #include #include "util.h" -#include "ac-power.h" #include "dbus-common.h" #include "special.h" @@ -135,13 +135,16 @@ static void test_files(void) { } int main(int argc, char *argv[]) { - static const char * cmdline[7]; + const char *cmdline[7]; int i = 0, r = EXIT_FAILURE, q; pid_t pid; siginfo_t status; + struct udev *udev = NULL; + struct udev_device *udev_device = NULL; + const char *device; - if (argc != 2) { - log_error("This program expects exactly one argument."); + if (argc > 2) { + log_error("This program expects one or no arguments."); return EXIT_FAILURE; } @@ -152,14 +155,38 @@ int main(int argc, char *argv[]) { parse_proc_cmdline(); test_files(); - if (!arg_force) { - if (arg_skip) - return 0; + if (!arg_force && arg_skip) + return 0; + + if (argc > 1) + device = argv[1]; + else { + struct stat st; - /* FIXME: only execute necessary fsck's if no AC power present */ - if (on_ac_power() == 0) { - log_info("Running on battery power, skipping file system check."); + /* Find root device */ + + if (stat("/", &st) < 0) { + log_error("Failed to stat() the root directory: %m"); + goto finish; + } + + /* Virtual root devices don't need an fsck */ + if (major(st.st_dev) == 0) return 0; + + if (!(udev = udev_new())) { + log_error("Out of memory"); + goto finish; + } + + if (!(udev_device = udev_device_new_from_devnum(udev, 'b', st.st_dev))) { + log_error("Failed to detect root device."); + goto finish; + } + + if (!(device = udev_device_get_devnode(udev_device))) { + log_error("Failed to detect device node of root directory."); + goto finish; } } @@ -171,7 +198,7 @@ int main(int argc, char *argv[]) { if (arg_force) cmdline[i++] = "-f"; - cmdline[i++] = argv[1]; + cmdline[i++] = device; cmdline[i++] = NULL; if ((pid = fork()) < 0) { @@ -188,20 +215,16 @@ int main(int argc, char *argv[]) { goto finish; } - if (status.si_code == CLD_KILLED || - status.si_code == CLD_DUMPED) { - log_error("fsck terminated by signal %s.", signal_to_string(status.si_status)); - goto finish; + if (status.si_code != CLD_EXITED || (status.si_status & ~1)) { - } else if (status.si_code != CLD_EXITED) { - log_error("fsck failed due to unknown reason."); - goto finish; - } - - if (status.si_status & ~1) { - log_error("fsck failed with error code %i.", status.si_status); + if (status.si_code == CLD_KILLED || status.si_code == CLD_DUMPED) + log_error("fsck terminated by signal %s.", signal_to_string(status.si_status)); + else if (status.si_code == CLD_EXITED) + log_error("fsck failed with error code %i.", status.si_status); + else + log_error("fsck failed due to unknown reason."); - if (status.si_status & 2) + if (status.si_code == CLD_EXITED && status.si_status & 2) /* System should be rebooted. */ start_target(SPECIAL_REBOOT_TARGET, false); else @@ -211,9 +234,15 @@ int main(int argc, char *argv[]) { } else r = EXIT_SUCCESS; - if (status.si_status & 1) + if (status.si_code == CLD_EXITED && (status.si_status & 1)) touch("/dev/.systemd/quotacheck"); finish: + if (udev_device) + udev_device_unref(udev_device); + + if (udev) + udev_unref(udev); + return r; } diff --git a/src/mount.c b/src/mount.c index 284fcb94..53edf9d5 100644 --- a/src/mount.c +++ b/src/mount.c @@ -365,6 +365,7 @@ static int mount_add_device_links(Mount *m) { Unit *fsck; /* Let's add in the fsck service */ + /* aka SPECIAL_FSCK_SERVICE */ if (!(name = unit_name_from_path_instance("fsck", p->what, ".service"))) return -ENOMEM; @@ -393,7 +394,7 @@ static int mount_add_default_dependencies(Mount *m) { if (m->meta.manager->running_as == MANAGER_SYSTEM && !path_equal(m->where, "/")) { - if ((r = unit_add_dependency_by_name(UNIT(m), UNIT_AFTER, SPECIAL_FSCK_TARGET, NULL, true)) < 0) + if ((r = unit_add_dependency_by_name(UNIT(m), UNIT_BEFORE, SPECIAL_QUOTACHECK_TARGET, NULL, true)) < 0) return r; if ((r = unit_add_two_dependencies_by_name(UNIT(m), UNIT_BEFORE, UNIT_CONFLICTED_BY, SPECIAL_UMOUNT_TARGET, NULL, true)) < 0) diff --git a/src/quotacheck.c b/src/quotacheck.c index a579c5e8..c7aaece9 100644 --- a/src/quotacheck.c +++ b/src/quotacheck.c @@ -91,7 +91,6 @@ int main(int argc, char *argv[]) { test_files(); if (!arg_force) { - if (arg_skip) return 0; diff --git a/src/special.h b/src/special.h index 0b37353c..6f15e6ec 100644 --- a/src/special.h +++ b/src/special.h @@ -52,7 +52,8 @@ #define SPECIAL_BASIC_TARGET "basic.target" #define SPECIAL_SOCKETS_TARGET "sockets.target" #define SPECIAL_SYSINIT_TARGET "sysinit.target" -#define SPECIAL_FSCK_TARGET "fsck.target" +#define SPECIAL_FSCK_SERVICE "fsck@.service" +#define SPECIAL_QUOTACHECK_TARGET "quotacheck.target" #define SPECIAL_RESCUE_TARGET "rescue.target" #define SPECIAL_EXIT_TARGET "exit.target" #define SPECIAL_EMERGENCY_TARGET "emergency.target" diff --git a/units/remount-rootfs.service b/units/remount-rootfs.service index 31deb82d..890f8fbc 100644 --- a/units/remount-rootfs.service +++ b/units/remount-rootfs.service @@ -9,7 +9,7 @@ Description=Remount Root FS DefaultDependencies=no Conflicts=shutdown.target -After=systemd-readahead-collect.service systemd-readahead-replay.service fsck.target +After=systemd-readahead-collect.service systemd-readahead-replay.service Before=local-fs.target shutdown.target [Service] diff --git a/units/sysinit.target.m4 b/units/sysinit.target.m4 index e8d4d72b..08b035da 100644 --- a/units/sysinit.target.m4 +++ b/units/sysinit.target.m4 @@ -23,9 +23,3 @@ m4_dnl Hook in Arch's /etc/rc.sysinit Requires=sysinit.service After=sysinit.service )m4_dnl -m4_ifdef(`TARGET_SUSE',`', -m4_ifdef(`TARGET_DEBIAN',`', -m4_dnl On Suse and Debian fsck.target is separate, everywhere else it is just an alias for sysinit.target -Names=fsck.target -)m4_dnl -)m4_dnl diff --git a/units/systemd-update-utmp-runlevel.service.in b/units/systemd-update-utmp-runlevel.service.in index 0cbde37c..23c5ada1 100644 --- a/units/systemd-update-utmp-runlevel.service.in +++ b/units/systemd-update-utmp-runlevel.service.in @@ -9,7 +9,7 @@ Description=Notify Audit System and Update UTMP about System Runlevel Changes DefaultDependencies=no Wants=local-fs.target sysinit.target -After=local-fs.target sysinit.target auditd.service runlevel1.target runlevel2.target runlevel3.target runlevel4.target runlevel5.target +After=local-fs.target sysinit.target auditd.service runlevel1.target runlevel2.target runlevel3.target runlevel4.target runlevel5.target systemd-tmpfiles-setup.service Before=poweroff.service reboot.service halt.service killall.service [Service]