14 lines
516 B
Text
14 lines
516 B
Text
#
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# CFQ's default tunings are geared towards slow SATA disks. If we detect
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# anything else, we change the tunings to drive deeper queue depths and
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# keep the device busy.
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#
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SUBSYSTEM!="block", GOTO="end_iosched"
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KERNEL=="dm-*", GOTO="end_iosched"
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ENV{DEVTYPE}=="partition", GOTO="end_iosched"
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ACTION!="add|change", GOTO="end_iosched"
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ENV{ID_BUS}=="ata", GOTO="end_iosched"
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ATTR{queue/scheduler}!="*\[cfq\]", GOTO="end_iosched"
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ATTR{queue/iosched/slice_idle}="0"
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ATTR{queue/iosched/quantum}="32"
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LABEL="end_iosched"
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