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hibernate-resume-generator: wait "infinitely" for the resume device

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This makes changes similar to the parent commit, but for hibernate-resume-generator.
If resume= is specified on the kernel command line, we'll set JobRunningTimeoutSec=0
for the device. This matches what we do for the root device.

In practice, other timeouts will take effect. For example dracut tries (and
fails :[ ) to start dracut-emergency.service after some time.

Fixes #7242, https://bugzilla.redhat.com/show_bug.cgi?id=1705522.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2019-12-03 17:04:26 +01:00
parent 7cecc56316
commit ff757c9d29
1 changed files with 19 additions and 9 deletions
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28
src/hibernate-resume/hibernate-resume-generator.c
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@ -5,6 +5,7 @@
#include <unistd.h>
#include "alloc-util.h"
#include "dropin.h"
#include "fstab-util.h"
#include "generator.h"
#include "log.h"
@ -68,18 +69,18 @@ static int parse_proc_cmdline_item(const char *key, const char *value, void *dat
}
static int process_resume(void) {
_cleanup_free_ char *name = NULL, *lnk = NULL;
const char *opts;
_cleanup_free_ char *service_unit = NULL, *device_unit = NULL, *lnk = NULL;
int r;
if (!arg_resume_device)
return 0;
r = unit_name_from_path_instance("systemd-hibernate-resume", arg_resume_device, ".service", &name);
r = unit_name_from_path_instance("systemd-hibernate-resume", arg_resume_device, ".service",
&service_unit);
if (r < 0)
return log_error_errno(r, "Failed to generate unit name: %m");
lnk = strjoin(arg_dest, "/" SPECIAL_SYSINIT_TARGET ".wants/", name);
lnk = strjoin(arg_dest, "/" SPECIAL_SYSINIT_TARGET ".wants/", service_unit);
if (!lnk)
return log_oom();
@ -87,12 +88,21 @@ static int process_resume(void) {
if (symlink(SYSTEM_DATA_UNIT_PATH "/systemd-hibernate-resume@.service", lnk) < 0)
return log_error_errno(errno, "Failed to create symlink %s: %m", lnk);
if (arg_resume_options)
opts = arg_resume_options;
else
opts = arg_root_options;
r = unit_name_from_path(arg_resume_device, ".device", &device_unit);
if (r < 0)
return log_error_errno(r, "Failed to generate unit name: %m");
r = generator_write_timeouts(arg_dest, arg_resume_device, arg_resume_device, opts, NULL);
r = write_drop_in(arg_dest, device_unit, 40, "device-timeout",
"# Automatically generated by systemd-cryptsetup-generator\n\n"
"[Unit]\nJobTimeoutSec=0");
if (r < 0)
log_warning_errno(r, "Failed to write device timeout drop-in: %m");
r = generator_write_timeouts(arg_dest,
arg_resume_device,
arg_resume_device,
arg_resume_options ?: arg_root_options,
NULL);
if (r < 0)
return r;