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in FreeBSD and NetBSD. OK art@ beck@
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buffer position in vfs_getcwd_getcache() and restoring it on error.
Use u_int32_t for the componentname hash, use the same type in
the diagnostic code in relookup() to prevent unsigned vs signed errors.
help, testing & ok kurt@
ok millert@, art@
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brings us back roughly to 4.1 level performance, although this is still
far from optimal as we have seen in a number of cases. This change
1) puts a lower bound on buffer cache queues to prevent starvation
2) fixes the code which looks for a buffer to recycle
3) reduces the number of vnodes back to 4.1 levels to avoid complex
performance issues better addressed after 4.2
ok art@ deraadt@, tested by many
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under #ifdef DEBUG. Adjust the verbiage. Some minor tweaks while in
the area.
ok deraadt@
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DISKPART(dev). Thus making the idiom the same everywhere.
pointed out by deraadt@
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"flt_noram1" would get truncated otherwise.
ok deraadt
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bug in the code, but as soon as I try to fix it, it seems to trigger
some other bugs. Instead of trying to figure out what's going on
while everyone suffers, it's better to back out and figure out
the bugs outside the tree.
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Also remove the _MEXTREMOVE macro which was only used by MFREE.
This time with the uipc_mbuf.c change that I missed last time.
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than the hardware page size, as was the case in the old clustering code.
This fixes vnd reads on alpha and sparc64
On behalf of pedro@, ok art@
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ok deraadt@
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kernel thread of its own. the api has changed (which will be fixed in the
manpage shortly) so all the users of sensor tasks that i can find have
been fixed too.
noone tested, so its going in to force people to run with it.
"put it in" deraadt@
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cpu_disklabel can go away, since nothing anymore needs to use it; ok miod
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no binary change
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ok thib@
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to support hotplug media on most architectures. disklabel setup and
verification done using new helper functions. Disklabels must *always*
have a correct checksum now. Same code paths are used to learn on-disk
location disklabels, to avoid new errors sneaking in. Tested on almost all
cases, testing help from todd, kettenis, krw, otto, dlg, robert, gwk, drahn
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with a disklabel. Original diff from pedro@; ok pedro@ deraadt@
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(stdarg.h, leftover from the vararg's idea).
ok tedu@
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if it was ok beforehands)
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bounds_check_with_label(). Tweak error path to eliminate duplicate
code.
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routines (alpha, vax) prove to be not worth keeping. Move
bounds_check_with_label() into the MI world. Eliminate unreliable and
almost certainly useless checks for overwriting a disklabel.
After discussion with deraadt@
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implimentations were simply either missing code, or spacing and such.
setdisklabel() can become MI now.
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temporary, place
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also spotted one more)
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type of all variables to daddr64_t. this includes the APIs for XXsize()
and XXdump(), all range checks inside bio drivers, internal variables
for disklabel handling, and even uvm's swap offsets. re-read numerous
times by otto, miod, krw, thib to look for errors
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to size. tested on almost all machines, double checked by miod and krw
next comes the type handling surrounding these values
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have contradictory information in their cyl-based labels
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deref in sensor_task_work(); found by krw, dlg should talk to him
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machines. ok deraadt@
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ok claudio@
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convert version 0 to version 1 disklabels.
Suggested by deraadt@.
ok deraadt@ otto@
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to proper types along the way (ints), fixes a subtle bug
wich otto@ pointed me at.
ok deraadt@
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"ap = v" comments in under 8 seconds, so it must be ok. and it compiles
too.
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subsystems were enabled. others used a *md_diskconf -> diskconf() method to
make sure init_main could "do late setroot". Change all architectures to
have diskconf(), use it directly & late. tested by todd and myself on most
architectures, ok miod too
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1) All partitions must start before the end of the disk. 2) All
partitions must end at or before the end of the disk.
Partitions not satisfying these constraints will be truncated and
marked FS_UNUSED.
ok otto@ deraadt@
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moves memset from the 20th most expensive function in the kernel to the
331st when doing heavy io.
ok tedu@ thib@ pedro@ beck@ art@
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which is used to size a zillion other things that increasing excessively
has been shown to cause problems - so that we may incrementally look at
increasing those other things without making the kernel unusable.
This diff effectivly increases the number of vnodes back to the number
of buffers, as in the earlier dynamic buffer cache commits, without
increasing anything else (namecache, softdeps, etc. etc.)
ok pedro@ tedu@ art@ thib@
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