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ok bluhm@
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room to queue IO right away, rather than waiting for us to complete the IO
we are working on and potentially do a many buffers DELWRI dance before
waking up the sleepers so they can continue.
ok guether@ tedu@
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test period; i think 3 years ago the last bugs fell out.
ok otto beck others
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ok matthew@ deraadt@
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ok mikeb@, claudio@
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Initial diff to replace unclear short variable name "nd" by
"nfs_diskless" and to display the real nfs path to swap in pstat -s by
deraadt@
Testing by me revealed diskless swap automount was broken since some
time. Fix this by passing and using the correct vnode in nfs_diskless
to swapmount().
Lots of input / help deraadt@, tweaks by deraadt@
OK deraadt@
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the special provided when the mount was requested. This may be the same as
the special that was actually used for the mount (e.g. in the case of a
device node) or it may be different (e.g. in the case of a DUID).
Whilst here, change f_ctime to a 64 bit type and remove the pointless
f_spare members.
Compatibility goo courtesy of guenther@
ok krw@ millert@
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msdos, NFS, fifos and devices, plus support for querying it in
getconf(2) and the requisite pathconf(2) manpage blurb
ok tedu@
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requested by deraadt
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lies than EINVAL, until we can uncover the truth.
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ok beck deraadt after a style issue noticed by kettenis
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mapping kva when busying up buffers in an nfsiod. (this in
addition to the previous check for 1/4 of the total buffer space)
This makes sparc installs work over nfsv2.
ok deraadt@
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ok guenther millert kettenis
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ok beck guenther
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- Avoid using copyinstr() without checking the return value.
- sys_mount() has already copied the path in, so pass this to the
filesystem mount code so that it does not have to copy it in again.
- Avoid copyinstr()/bzero() dance when we can simply bzero() and strlcpy().
ok krw@
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rlimit, then a write that would take it over the limit should be
clamped, making it a partial write.
ok beck@
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anticipation of further changes to closef(). No binary change.
ok krw@ miod@ deraadt@
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of per-rthread. Handling of per-thread tick and runtime counters
inspired by how FreeBSD does it.
ok kettenis@
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error in several places.
Should fix the "vrele: null vp" panic that henning@ has been seeing lately.
ok tedu@, krw@, deraadt@
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ok md5 "can't be worse" thib@
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case.
ok guenther@ thib@
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problem has been tracked down. This fixes the sharing of the signal
handling state: shared bits go in sigacts, per-rthread bits goes in
struct proc.
ok deraadt@
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down curproc instead of the struct proc from the I/O request...which
may gone away behind our back. Assert that the supplied request
*is* curproc in a couple other places.
Reproduction and testing by sthen@
ok deraadt@, beck@, art@
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until they're zombies and then send them signals (for intr mounts). Until
that is untangled, the sigacts change is unsafe. sthen@ was the victim
for this one
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be shared (p_sigignore, p_sigcatch, P_NOCLDSTOP, P_NOCLDWAIT) moves
to struct sigacts, wihle stuff that should be per rthread (ps_oldmask,
SAS_OLDMASK, ps_sigstk) moves to struct proc. Treat the coredumping
state bits (ps_sig, ps_code, ps_type, ps_sigval) as per-rthread
until our locking around coredumping is better.
Oh, and remove the old SunOS-compat ps_usertramp member.
"I like the sound of this" tedu@
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and return EOPNOTSUPP directly from the VOP_* functions.
Filesystems should, at some point fill in every function
in the vop_default struct so we can get rid of the 'if'
statements in VOP_*.
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unrelated, and his alpha is much happier now.
OK deraadt@
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Re-initializing the pool everytime nfsd(8) terminates is very bad since it
screws up the list of pools resulting in infinite loops when traversing that
list. Issue found by Daniel Melameth.
ok deraadt@
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have been resolved.
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OK oga@, beck@, matthew@
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vector setup that has questionable features (that have, as far as I can
tell never been used in practice, atleast not in OpenBSD), remove all
the gunk and favor a simple struct full of function pointers that get
set directly by each of the filesystems.
Removes gobs of ugly code and makes things simpler by a magnitude.
The only downside of this is that we loose the vnoperate feature so
the spec/fifo operations of the filesystems need to be kept in sync
with specfs and fifofs, this is no big deal as the API it self is pretty
static.
Many thanks to armani@ who pulled an earlier version of this diff to
current after c2k10 and Gabriel Kihlman on tech@ for testing.
Liked by many. "come on, find your balls" deraadt@.
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Bogus chunks pointed out by matthew@ and miod@. No cookies for
marco@ and jasper@.
ok deraadt@ miod@ matthew@ jasper@ macro@
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as the kernel now compiles w/o ``#include <sys/pool.h>'' in mbuf.h; removing
that line, though, is for another day, as a userland program (systat, IIRC)
fails to build without it there.
ok krw@
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cannot then re-align it using ALIGN(). That is not portable since we
have architectures where the modulo are quite different. define an
ALIGN_POINTER() macro in place, and use it in one spot.
This caused a NFS crash on sparc (which borrows mbufs and chains them
itself in insane ways). I heard claudio and beck trying to diagnose
it from over the room when suddenly I knew exactly what it was.
blambert spent a few hours on it making sure that I wasn't insane.
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are required to detect that.
Change the function to take a wait argument (used in nfs server, but
M_NOWAIT everywhere else for now) and to return an error
ok claudio@ henning@ krw@
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sync a few comments to reality (or remove them), remove the cn_hash member
from struct componentname, spacing.
ok beck@
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the nfs_bufq is full - instead tsleep waiting for one of our nfsiod's
to free up space for us in the queue so we can enqueue on the end.
ok blambert@, tedu@, oga@
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switch(type) {
case VREG:
/*something */
break;
case VLNK:
/* something */
break;
default:
panic("wtf?");
}
do_something_that_doesn't_change_type();
switch(type) {
case VREG:
/* nowt */
break;
case VLNK:
n = 0;
break;
default:
panic("wtf?");
}
be a bit less silly and replace the second switch with:
if (type == VLNK)
n = 0;
ok beck@, blambert@
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deciding to do nothing, printing about it and continuing along our merry
way without even erroring the sodding buffer, just panic. by this point
we are liked very fucked up anyway.
found in either edmonton or stockholm then forgotten. ok beck@,
blambert@
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ok deraadt@
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Feedback from miod@ and kettenis@.
ok beck@
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in nfs_inactive, on a reboot.
The core of the problem was in nfs_nget, when we lose the race to put a new
nfsnode in the tree, we have previously allocated a vnode, which getnewvnode
has done an insmntque into the nfs mp's mntlist. The problem being we then
try again with a new vnode, abandoning this one on the mntlist, leaving
junk there for us to die on when we unmount.
This introduces VLARVAL - so we can indicate in a vnode that the higher
level stuff hiding in v_data is incompletely set up. This flag is then
used by nfs to deal with a halfway set up vnode and release it correctly.
analysis and bogus fix by art@, correct fix by me after serveral failed
attempts and much painful testing by krw@, good suggestions by tedu and miod
ok krw@ oga@ thib@ blambert@ art@
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the first try
vgone doesn't work in other cases of this. I must fix this slightly differntly
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in nfs_inactive, on a reboot.
The core of the problem was in nfs_nget, when we lose the race to put a new
nfsnode in the tree, we have previously allocated a vnode, which getnewvnode
has done an insmntque into the nfs mp's mntlist. The problem being we then
try again with a new vnode, abandoning this one on the mntlist, leaving
junk there for us to die on when we unmount.
analysis and bogus fix by art@, correct fix by me. much painful testing by
krw@
ok oga@, art@
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picking a name meant that more than 58 sillys in a directory and we fail
with EINVAL, resulting in strange problems for nfs which in turn causes
pain and stress in building, and PTSD in nfs and vfs hackers. Has bit us
in the butt since the vienna f2k7 hackathon.
good suggestions from deraadt@ guenther@ and otto@
ok deraadt@,oga@,blambert@,krw@,guenther@, and a "very special ok" tedu@
Oh god, I'm an nfs hacker..
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a directory gets reclaimed on a forced unmount before the silly file
in it gets blown away... fixes an issue seen by phessler@
ok oga@, art@
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no binary change apart from nfsm_reqhead() which is clearly correct.
ok thib@
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