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systemd/60-io-scheduler.rules

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Accepting request 592117 from home:develop7:branches:Base:System - Enhance IO scheduler tweaking rules to support blk-mq as well * Set optimal blk-mq schedulers (bfq and mq-deadline for HDD and SSD respectively) * Explicitly set CFQ for rotational disks when no `elevator` is specified * Verbose comments explaining what is going on * Rename the rules file since it is not ssd-only anymore OBS-URL: https://build.opensuse.org/request/show/592117 OBS-URL: https://build.opensuse.org/package/show/Base:System/systemd?expand=0&rev=1026
2018-04-09 11:39:49 +02:00
# Set optimal IO schedulers for HDD and SSD
ACTION!="add", GOTO="scheduler_end"
SUBSYSTEM!="block", GOTO="scheduler_end"
# Do not change scheduler if `elevator` cmdline parameter is set
IMPORT{cmdline}="elevator"
Accepting request 599905 from home:fbui:systemd:Factory - Import commit d8196805089566ecd846b7c627ff2f3c42588c50 621b247f3 device: skip deserialization of device units when udevd is not running a7da5bdbc device: make sure to always retroactively start device dependencies (bsc#1088052) 303624f6f systemd-udevd: limit children-max by available memory (#8668) (bsc#1086785 bsc#1066422) 76acf3ae9 tmpfiles: fix directory removal with force symlink (#8619) - Ship 99-sysctl.conf instead of creating it during package installation/update (bsc#1088769) Previously this symlink was created in /etc/sysctl.d during %post which made the symlink not owned and more importantly it was created only if /etc/sysctl.conf is already installed which is not always the case during the installation process it seems. So ship the symlink unconditionally and put it in /usr/lib/sysctl.d instead since it's a distro default behavior that might be overriden by sysadmin later. - Be consistent in 60-io-scheduler.rules And use "?*" when checking for the non empty string (instead of "*?"). OBS-URL: https://build.opensuse.org/request/show/599905 OBS-URL: https://build.opensuse.org/package/show/Base:System/systemd?expand=0&rev=1027
2018-04-23 10:01:18 +02:00
ENV{elevator}=="?*", GOTO="scheduler_end"
Accepting request 592117 from home:develop7:branches:Base:System - Enhance IO scheduler tweaking rules to support blk-mq as well * Set optimal blk-mq schedulers (bfq and mq-deadline for HDD and SSD respectively) * Explicitly set CFQ for rotational disks when no `elevator` is specified * Verbose comments explaining what is going on * Rename the rules file since it is not ssd-only anymore OBS-URL: https://build.opensuse.org/request/show/592117 OBS-URL: https://build.opensuse.org/package/show/Base:System/systemd?expand=0&rev=1026
2018-04-09 11:39:49 +02:00
# Determine if BLK-MQ is enabled
TEST=="%S%p/mq", ENV{.IS_MQ}="1"
# MQ: BFQ scheduler for HDD
ENV{.IS_MQ}=="1", ATTR{queue/rotational}!="0", ATTR{queue/scheduler}="bfq"
# MQ: deadline scheduler for SSD
ENV{.IS_MQ}=="1", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="mq-deadline"
# Non-MQ: CFQ scheduler for HDD
ENV{.IS_MQ}!="1", ATTR{queue/rotational}!="0", ATTR{queue/scheduler}="cfq"
# Non-MQ: deadline scheduler for SSD
ENV{.IS_MQ}!="1", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="deadline"
LABEL="scheduler_end"
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