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proposed additions to sys/conf/std
I propose adding
The reasons I even bring this up:
- Many kernels are missing drvctl and thus do not support disk wedges
(this is arguably due to a flaw in the design of disk wedges, but
that's a another bikeshed).
- BUFQ_PRIOCSCAN is superior to BUFQ_DISKSORT, and in fact
BUFQ_DISKSORT is actually inferior to BUFQ_FCFS in terms of
interactive disk I/O responsiveness. There are many kernels that
default to BUFQ_DISKSORT due to not explicitly adding BUFQ_PRIOCSCAN.
The ominous "
# "it's commonly used" is NOT a good reason to enable options here.
" line has me a bit apprehensive. However, pseudo-device cpuctl is there
already. There are some options that are there for historical reasons,
so this is sort of a slippery slope. Do we need a new config file for
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