diff options
Diffstat (limited to 'modules.d/95resume/module-setup.sh')
| -rwxr-xr-x | modules.d/95resume/module-setup.sh | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/modules.d/95resume/module-setup.sh b/modules.d/95resume/module-setup.sh index d255103..d419566 100755 --- a/modules.d/95resume/module-setup.sh +++ b/modules.d/95resume/module-setup.sh @@ -10,13 +10,31 @@ check() { return 1 } - # Only support resume if hibernation is currently on - # and no swap is mounted on a net device - [[ $hostonly ]] || [[ $mount_needs ]] && { - swap_on_netdevice || [[ -f /sys/power/resume && "$(< /sys/power/resume)" == "0:0" ]] || grep -rq '^\|[[:space:]]resume=' /proc/cmdline /etc/cmdline /etc/cmdline.d /etc/kernel/cmdline /usr/lib/kernel/cmdline 2> /dev/null && return 255 - } - - return 0 + # If hostonly check if we want to include the resume module + if [[ $hostonly ]] || [[ $mount_needs ]]; then + # Resuming won't work if swap is on a netdevice + swap_on_netdevice && return 255 + if grep -rq 'resume=' /proc/cmdline /etc/cmdline /etc/cmdline.d /etc/kernel/cmdline /usr/lib/kernel/cmdline 2> /dev/null; then + # hibernation support requested on kernel command line + return 0 + else + # resume= not set on kernel command line + if [[ -f /sys/power/resume ]]; then + if [[ "$(< /sys/power/resume)" == "0:0" ]]; then + # hibernation supported by the kernel, but not enabled + return 255 + else + # hibernation supported by the kernel and enabled + return 0 + fi + else + # resume file doesn't exist, hibernation not supported by kernel + return 255 + fi + fi + else + return 0 + fi } # called by dracut @@ -44,6 +62,7 @@ install() { if dracut_module_included "systemd" && [[ -x $dracutsysrootdir$systemdutildir/systemd-hibernate-resume ]]; then inst_multiple -o \ "$systemdutildir"/system-generators/systemd-hibernate-resume-generator \ + "$systemdsystemunitdir"/systemd-hibernate-resume.service \ "$systemdsystemunitdir"/systemd-hibernate-resume@.service \ "$systemdutildir"/systemd-hibernate-resume return 0 |