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the receiving side when passing fd's. ok deraadt@ kettenis@
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a locking botch in portal_open();
- set f_namemax at mount time and use copy_statfs_info() in
portal_statfs();
This diff is a slight tweak of the diff sent in PR5968 by
Frank Denis (j at pureftpd.org) Thanks!
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ok thib beck art
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file copies to nfsv2 causes the system to eventually peg the console.
On the console ^T indicates that the load is increasing rapidly, ddb
indicates many calls to getbuf, there is some very slow nfs traffic
making none (or extremely slow) progress. Eventually some machines
seize up entirely.
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1) remove multiple size queues, introduced as a stopgap.
2) decouple pages containing data from their mappings
3) only keep buffers mapped when they actually have to be mapped
(right now, this is when buffers are B_BUSY)
4) New functions to make a buffer busy, and release the busy flag
(buf_acquire and buf_release)
5) Move high/low water marks and statistics counters into a structure
6) Add a sysctl to retrieve buffer cache statistics
Tested in several variants and beat upon by bob and art for a year. run
accidentally on henning's nfs server for a few months...
ok deraadt@, krw@, art@ - who promises to be around to deal with any fallout
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the superuser. access(2) will now only indicate success for X_OK on
non-directories if there is at least one execute bit set on the file.
OK deraadt@ thib@ otto@
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with eopnotsupp() instead;
ok blambert@
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one thing of note, fifofs changes in that its bmap now
sets the runp too 0, but that was an oversight in the
old code.
ok art@
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init the op array functions with whatever the define was set
too.
ok dlg@,blambert@
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ok dlg@
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init the op array functions with whatever the define was set
too.
ok dlg@
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init the op array functions with whatever the define was set
too.
ok dlg@,blambert@
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oga@'s upcoming DRM changes and too some degree ratchov@'s audio
work. It still works for bpf's though.
Parts from ratchov@; fstat(1) parts from Pedro Martelletto;
tested by many, ok'ed by a few;
"get going with cloning" deraadt@
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always fails". Introduce vop_generic_lookup(), which is a trivial lookup
routine that always fails and use that instead, zap the redundant copies.
ok toby@, tedu@, art@
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ok gilles
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ok krw@
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version for i386
more architectures and ctob() replacement is being worked on
prodded by and ok miod
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ok pedro@ thib@
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no binary change
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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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free room in struct partition by packing fragment size and
fragments/block more tighlty and use the resulting space to make
offset and size 48 bits. For the disk part we use spare fields in
struct disklabel. Kernel converts in-mem copy of the on-disk
label if needed, disklabel(8) writes new version.
We are careful to only change fields not used by bootloaders.
Conception of basic scheme by deraadt.
ok deraadt@ krw@
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spec_read();
ok pedro@
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Zap all calls to simple_lock/unlock() on it (those calls are
#defined away though). Remove the LK_INTERLOCK from the calls
to vn_lock() and cleanup the filesystems wich implement VOP_LOCK().
(by remvoing the v_interlock from there calls to lockmgr()).
ok pedro@, art@, tedu@
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it's a good idea to use atomic.h operations on it. This mechanic
change updates all bit operations on p_flag to atomic_{set,clear}bits_int.
Only exception is that P_OWEUPC is set by MI code before calling
need_proftick and it's automatically cleared by ADDUPC. There's
no reason for MD handling of that flag since everyone handles it the
same way.
kettenis@ ok
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effectively been a no-op for quite some time now,
without promise for future usage.
ok pedro@
Testing by krw@ (earlier diff)
and Johan Mson Lindman (tybollt@solace.miun.se)
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devices with sectorsizes other than 512. e.g. cd's. Fixes PR #5235
from Paul Stoeber with a slightly tweaked diff. NetBSD did the same
with their r1.59 in 2001, closing their PR#3261 and PR#14026.
tweak suggestions and ok pedro@
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should never be referenced outside the context of the process to which
this stack belongs unless we do the PHOLD/PRELE dance. Loads of code
doesn't follow the rules here. Instead of trying to track down all
offenders and fix this hairy situation, it makes much more sense
to not swap kernel stacks.
From art@, tested by many some time ago.
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ok pedro@, miod@
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the only use was in an #if notyet chunk since '97.
ok miod@
'no objections' pedro@
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from krw@ and toby@, subliminal prodding from dlg@, okay deraadt@.
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block devices where ioctl request is zero and data is B_TAPE, which no sane
userland program uses those days.
General disgust and ok deraadt@ millert@ weingart@
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Discussed with and ok deraadt@ millert@
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a write that will globber the whole buffer, and it's not in cache, do
not bother reading it in. That's wrong, since the user may be trying to
write beyond the disk extent, in which case we definitely want to return
an error, rather than returning saying the write was okay, and failing
later on at an 'uncatched' biodone(). Okay tedu@.
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out of procfs and gets a ptrace request PT_{READ,WRITE}_{I,D} as argument;
also procfs_checkioperm() becomes process_checkioperm().
From art@ some time ago; ok kettenis@ pedro@
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of panics and bugfixes. Access curproc directly, do not expect a process
pointer as an argument. Should fix many "process context required" bugs.
Incentive and okay millert@, okay marc@. Various testing, thanks.
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the protection of the memory mapping we're doing I/O on, or if we want to
leave them as they are. This should only be necessary for breakpoint
insertion in code, so we'll only use it for ptrace requests.
Initially from art@ after discussion with kettenis@ millert@ and I,
tested by many.
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one case fixed here).
miod@ "appears to be harmless"
markus@ ok
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