Age | Commit message (Collapse) | Author |
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Kludge around a case where a flaky HP-IB disk might be slow to respond
to the identification request in rdmatch(). Similar in spirit to a
patch from Jason Downs (written eons ago), but limited to the broken
device we're trying to reach. My patch tested (and fixed :-) by
Herb Peyerl.
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PR #1918.
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New generic disk framework. Highlights:
New metrics handling. Metrics are now kept in the new `struct disk'.
Busy time is now stored as a timeval, and transfer count in bytes.
Storage for disklabels is now dynamically allocated, so that the size
of the disk structure is not machine-dependent.
Several new functions for attaching and detaching disks, and handling
metrics calculation.
Old-style instrumentation is still supported in drivers that did it
before. However, old-style instrumentation is being deprecated, and
will go away once the userland utilities are updated for the new
framework.
For usage and architectural details, see the forthcoming disk(9)
manual page.
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Re-work the serial console support a bit; it doesn't depend on statically
allocated softc's now.
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XXX TEMPORARY STOP-GAP MEASURE! A 12-bit command modifier was being
squished into an 8-bit position in a command stream! Which one is wrong?
Changed the constant from 0x140 to 0x40, which is what ended up happening
anyhow. This exists in the old Utah sources, too! How long has this
bug existed?!
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Prevent the ITE_ACTIVE bit from being cleared in iteoff() if the ITE_ISCONS
bit is set. Works around the fact that the last process to have the
console open exits, the bit is cleared, and "syncing disks...", etc. is
not seen if the system is rebooted with reboot(8). Fixes PR #1455.
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