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the same semantics as NetBSD anyway, so it's good to avoid name collissions.
- Always fdremove before freeing the file, not the other way around.
- falloc FREFs the file.
- have FILE_SET_MATURE FRELE the file (It feels like a good ortogonality to
falloc FREFing the file).
- Use closef as much as possible instead of ffree in error paths of
falloc:ing functions. closef is much more careful with the fd and can
deal with the fd being forcibly closed by dup2. Also try to avoid
manually calling *fo_close when closef can do that for us (this makes
some error paths mroe complicated (sys_socketpair and sys_pipe), but
others become simpler (sys_open)).
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from fd tables and other long-lived objects). This is to avoid races between
using a file descriptor and having another process (with shared fd table)
close it. We use a separate refence count so that error values from close(2)
will be correctly returned to the caller of close(2).
The macros for those reference counts are FILE_USE(fp) and FILE_UNUSE(fp).
Make sure that the cases where closef can be called "incorrectly" (most notably
dup2(2)) are handled.
Right now only callers of closef (and {,p}read) use FILE_{,UN}USE correctly,
more fixes incoming soon.
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kernels with only NFSCLIENT defined can build.
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remove register
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used by the nfs server.
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machines or some configurations or in some phase of the moon (we actually
don't know when or why) files disappeared. Since we've not been able to
track down the problem in two weeks intense debugging and we need -current
to be stable, back out everything to a state it had before UBC.
We apologise for the inconvenience.
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code is written mostly by Chuck Silvers <chuq@chuq.com>/<chs@netbsd.org>.
Tested for the past few weeks by many developers, should be in a pretty stable
state, but will require optimizations and additional cleanups.
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While in the area, convert nfs node allocation from malloc to pool and do
some cleanups.
Based on the UBC changes in NetBSD. niklas@ ok.
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manually twiddling it. This allows the buffer cache to more easily
keep track of dirty buffers and decide when it is appropriate to speed
up the syncer.
Insipired by FreeBSD.
Look over by art@
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PRELE the nfsiod when it exits (shouldn't be necessary to PHOLD it because
it's a kernel thread, but it doesn't hurt.
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Death to nfsiod!
It is replaced by kernel threads that do the same thing. The number of
kernel threads used is set with the vfs.nfs.iothreads sysctl.
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(NetBSD's was really just a Lite2's, but w/ 64bit support)
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Open's patches kept in. i'll possibly take a look at Lite2 soon,
is there smth usefull ?..
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