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548 Commits

Author SHA1 Message Date
chs
45701591c6 add a genfs_mmap() and change all of the disk-based filesystems 
to implement VOP_MMAP() with the genfs version, in preparation for
actually using this VOP.
 2001-05-28 02:50:51 +00:00
chs
11a9651c8f replace vm_page_t with struct vm_page *. 2001-05-26 21:27:10 +00:00
fvdl
faa28e2580 Lock vp in nfs_link while we're busy with it (doing VOP_FSYNC, etc). 2001-05-14 18:51:33 +00:00
fvdl
0cc3c4a023 Suppress another case of a potentially noisy error message which 
isn't fatal.
 2001-05-09 20:02:32 +00:00
fvdl
bf714cf896 Drop vnode lock before removing the sillyrename file, to avoid a 
lock-o-death.
 2001-05-03 15:53:04 +00:00
bjh21
1ca2839e35 When NFS_V2_ONLY is defined, refuse to mount NFSv3 and NQNFS filesystems, 
rather than pretending they're NFSv2 and hoping for the best.  Fix based on
that supplied by Christian Groessler.
 2001-04-28 16:11:47 +00:00
bjh21
4442920f51 In nfs_loadattrcache(), if checkalias() gives us a new vnode, lock it. This 
prevents us losing the locked state of the old vnode.

fvdl thinks the old vnode is certain to be locked at this point.  I've put in
a KASSERT to be on the safe side.

This seems to fix PR kern/12661.
 2001-04-21 21:35:53 +00:00
fvdl
9dc4bbb990 Don't forget to unlock the vnode returned by cache_lookup if the 
subsequent access check fails. Don't overwrite the error code
returned by cache_lookup. Remove a piece of redundant code.

Should fix kern/12680.
 2001-04-20 11:22:02 +00:00
fvdl
a4c70394dc On VOP_GETATTR failure in nfs_nget, call vgone() to get rid 
of the vnode that was just created. Suggested by Enami.
 2001-04-20 11:19:16 +00:00
fvdl
e5a7af16e9 Unlock the hash lock before returning an error in nfs_nget. 
From IWAMOTO Toshihiro.
 2001-04-20 07:58:04 +00:00
thorpej
5b35dc8136 When unmounting a file system, acquire the syncer_lock before 
vfs_busy'ing just before the dounmount() call.  This is to avoid
sleeping with the mountlist_slock held -- but we must acquire
syncer_lock before vfs_busy because the syncer itself uses
syncer_lock -> vfs_busy locking order.
 2001-04-16 22:41:09 +00:00
chs
88c05e77fe reads at or after EOF should "succeed". 2001-04-16 14:37:43 +00:00
chs
e7a221b78f remove a temporary hack now that it's fixed for real. fixes PR 11731. 2001-04-03 15:08:38 +00:00
chs
d8ed86a474 handle partially full directory buffers by only using (b_bcount - b_resid) 
bytes of data from the buffer.
 2001-04-03 15:07:23 +00:00
fvdl
8ec4ee98dd Set default NFS read and write sizes back to 8k, because a lot of 
(old) hardware can't handle more.
 2001-04-02 11:47:23 +00:00
matt
0abec5d217 Allow the default NFS_RSIZE and NFS_WSIZE to be overriden. 2001-03-25 02:22:30 +00:00
fvdl
ad5dcb280f Same change as in the UFS code: unlock vnode before setting v_op 
to spec_vnode_ops. From Bill Studenmund.
 2001-03-23 21:10:48 +00:00
chs
dd82ad8e2c eliminate the VM_PAGER_* error codes in favor of the traditional E* codes. 
the mapping is:

VM_PAGER_OK		        0
VM_PAGER_BAD		        <unused>
VM_PAGER_FAIL		        <unused>
VM_PAGER_PEND		        0 (see below)
VM_PAGER_ERROR		        EIO
VM_PAGER_AGAIN		        EAGAIN
VM_PAGER_UNLOCK		        EBUSY
VM_PAGER_REFAULT	        ERESTART

for async i/o requests, it used to be possible for the request to
be convert to sync, and the pager would return VM_PAGER_OK or VM_PAGER_PEND
to indicate whether the caller should perform post-i/o cleanup.
this is no longer allowed; pagers must now return 0 to indicate that
the async i/o was successfully started, and the caller never needs to
worry about doing the post-i/o cleanup.
 2001-03-10 22:46:45 +00:00
chs
060e70db41 min() -> MIN(), max() -> MAX(). 
fixes more problems with file offsets > 4GB.
 2001-02-27 04:37:44 +00:00
jdolecek
522f569810 make some more constant arrays 'const' 2001-02-21 21:39:52 +00:00
chs
f6370c7a84 fix a couple more bugs: 
- in nfs_getpages(), unbusy any pages that we don't free in the error path.
 - in nfs_putpages(), only call biowait() if we actually started any i/os.
 2001-02-18 15:52:32 +00:00
fvdl
4c9b670931 Fix some possible locking errors in nfs_namei (XXX this function should die) 2001-02-14 15:36:45 +00:00
fvdl
a008ea27c9 Instead of storing the filehandle in the mount structure, store the 
vnode pointer. This avoids a locking problem with nfs_nget, and
can be done because we always have a reference on the root vnode
of the filesystem.
 2001-02-12 20:02:30 +00:00
enami
6b949f72fb Unlock the rename target vnode after sillyrename'ing it. 2001-02-11 01:09:04 +00:00
tsutsui
ec8b1c000e Fix nested extern declaration of prtactive. 2001-02-07 12:40:43 +00:00
fvdl
c18aae5b9f In nfs_inactive there's no need anymore for an extra refcount around 
nfs_vinvalbuf, since it has a real lock on the vnode now, so getnewvnode
will not hijack it.
 2001-02-06 16:25:48 +00:00
fvdl
9f39c3a967 Get locking in rmdir right. Don't unlock a vnode when passing its 
associated nfsnode to nfs_lookitup, it is not needed, and fixes
nfs_remove.
 2001-02-06 15:26:25 +00:00
fvdl
d4e6a2c4e1 Do actual vnode locking for NFS. 2001-02-06 11:40:02 +00:00
chs
5706160195 fix several bugs: 
- in the cases where we skip over the i/o loop, increment npages by ridx
   so that when the cleanup code starts processing the pgs array at index 0
   it'll actually process all of the pages.
 - process the PG_RELEASED flag when unbusying pages.
 - add some missing MP locking.
 - use MIN() and MAX() instead of min() and max() since the latter are
   functions which take arguments of type "int" but we call them with
   values of type "off_t", so the values could be truncated.
 2001-02-05 12:27:18 +00:00
thorpej
e4dc9e322e Make sure bp->b_proc is initialized. Should fix a deref-garbage-pointer 
problem reported by msaitoh@netbsd.org.  NOTE: These are marked XXXUBC
since the code that allocates the bufs is new with UBC, but it may be
the case that bp->b_proc needs to be intialized to curproc (it's used
in a call to nfs_sigintr()).
 2001-01-30 03:47:11 +00:00
jdolecek
d9466585b7 make filesystem vnodeop, specop, fifoop and vnodeopv_* arrays const 2001-01-22 12:17:35 +00:00
enami
07c60191e7 Use tsleep instead of dalay; since we're mounting root, we can sleep 
and no reason to use delay.
 2001-01-19 14:26:01 +00:00
jdolecek
34c8ae80da constify 2001-01-18 20:28:15 +00:00
enami
744c012068 Use uvm_aio_biodone instead of uvm_aio_aiodone for top-level buf 
so that uvmexp.paging is updated if this i/o was initiated by
the pagedaemon.
 2001-01-07 05:54:41 +00:00
jdolecek
7ec49a1f35 update commented out code to recent changes of signal structures 2000-12-27 22:01:43 +00:00
bjh21
47d4a4d009 Extra diagnostic assertion: subtle pmap bugs can ultimately lead to trying 
to use NULL credentials for NFS ops, so spot them before we dereference them.
 2000-12-27 16:35:37 +00:00
chs
4e7404469d fix several bugs: 
- fix math when skipping writing pages that just need a commit.
 - clear the needcommit stuff and PG_RDONLY flags on pages returned for
   overwrite requests as well as for normal write faults.
 - bail out of nfs_write() if we get an error.
 - remove a bogus attempt to clean up after failed uiomove()s.
 - bring over a workaround for a lock-ordering problem from the genfs code.
 - add some missing MP locking.
 2000-12-27 05:15:43 +00:00
jdolecek
c2cfcae955 <sys/trace.h> is not needed here 2000-12-13 18:15:56 +00:00
chs
395f8c2177 initialize read creds in nfs_open() too. 2000-12-12 17:13:17 +00:00
fvdl
405b695086 Make sobind() take a struct proc *. It already took curproc and 
passed it down to the appropriate usrreq function, and this
allows usage for contexts that need to be explicitly different
from curproc (like in the NFS code when binding to a reserved port).
 2000-12-10 23:16:28 +00:00
chs
3a5e4f901b in *_sync(), don't skip vnodes which have (potentially dirty) pages. 2000-12-10 19:36:31 +00:00
chs
f5878a3362 only zero the part of the page after EOF if we're actually 
initializing the page.
 2000-12-09 22:38:23 +00:00
drochner
8f6e088214 add a kernel configuration option to set the string passed in bp_file 
in diskless BOOTP/DHCP configuration - good for booting different
userland versions depending on the kernel version
 2000-12-05 17:59:43 +00:00
fvdl
a0aebb0c36 Initialize 'error' to 0, so that nfs_putpages doesn't return garbage 
when pages already have been committed and nothing needs to be done.
 2000-12-04 12:12:20 +00:00
chs
d324e2eb55 in nfs_open(), initialize the write creds if we're opening for writing. 
otherwise we would never set them if we only modify the file via mmap().
 2000-11-30 07:24:12 +00:00
chs
aeda8d3b77 Initial integration of the Unified Buffer Cache project. 2000-11-27 08:39:39 +00:00
chs
8362134916 put more ISO bits under ifdef ISO. 2000-11-24 23:30:02 +00:00
ad
642267bcc7 Update for hashinit() change. 2000-11-08 14:28:12 +00:00
chs
51c256aa5a in nfs_flush(), only play games with B_NOCACHE for VREG vnodes. 
if we do this for VBLK vnodes which are in use by softdep mounts,
brelse() will mark the buffer B_INVAL as well, which makes the
softdep code very unhappy.
 2000-11-08 05:20:32 +00:00
fvdl
dcf7889500 Do not accept vnode type changes to an active node. This may wreak 
havoc if the server erroneously uses the same filehandle for
different files. This changes back revision 1.28; the PR that
that revision fixed doesn't apply anymore, it has been verified
not to be a problem with this change.
 2000-10-24 12:02:04 +00:00
matt
04f534474c Change a DIAGNOSTIC panic slightly to print the locked vnodes and to just 
print a diagnostic but not panic.
 2000-10-24 07:08:48 +00:00
chs
be0d1c56f1 fix nfs iod management so we don't lose i/os when iods die. 2000-10-23 07:18:27 +00:00
chs
65ab1f3650 include opt_inet.h, needed by previous check-in. 2000-10-03 17:18:15 +00:00
itojun
b834fb62c3 check in_ifaddr only if INET is compiled 2000-10-02 04:28:13 +00:00
itojun
23bf957144 perform reverse ARP only if INET is compiled into the kernel 2000-10-02 04:27:57 +00:00
fvdl
06b8ac615d Avoid unused variables for V2_ONLY case. 2000-09-27 18:36:03 +00:00
enami
29d3e43df9 Don't bother to clear commit information for the vnode of type VNON. 
It is not necessary since it is a vnode being initialized and it shouldn't
be done since filesystem private data may not be assigned yet.
 2000-09-24 06:59:21 +00:00
bjh21
1f4240a461 Extend NFS_V2_ONLY to remove NQNFS lease support as well. Saves another 10k. 2000-09-19 23:26:25 +00:00
fvdl
874d41c959 "ENOBUF" on socket writes isn't really fatal; we may just be too fast 
for the driver. Don't log the error, just try again. Could try to
be smart and do a backoff, but it's probably not worth the trouble.
 2000-09-19 22:21:21 +00:00
fvdl
8d38a9fc8e Adapt some defaults/max values to be more realistic. 2000-09-19 22:19:12 +00:00
fvdl
de98f0812b Add fields to deal with commit ranges. 2000-09-19 22:18:40 +00:00
fvdl
861339828d Update for VOP_FSYNC parameter change. Simplify nfs_flush. 2000-09-19 22:18:03 +00:00
fvdl
ddf47f8f0d Update for VOP_FSYNC parameter change. 2000-09-19 22:15:41 +00:00
fvdl
45dc18d175 Add prototypes for commitrange functions. 2000-09-19 22:14:59 +00:00
fvdl
09f52ac6fc Don't do write gathering for v3; it makes no sense. Unless the client 
is broken and does sync writes all the time, but that's the client's
fault.
 2000-09-19 22:14:42 +00:00
fvdl
9ed021b771 Add functions to deal with keeping track of commit ranges. 2000-09-19 22:13:55 +00:00
fvdl
45460eabe0 Initialize the lock needed to serialize commits for one NFS node. 2000-09-19 22:13:01 +00:00
fvdl
899fb781e0 Move handling of B_NEEDCOMMIT buffers to nfs_doio, so that bawrite() calls 
for them are actually done asynchronously. Idea taken from FreeBSD.

Do away with nfs_writebp completely, it's not needed anymore.

Keep an eye on the range of a file that needs to be committed, and
do it in heaps.
 2000-09-19 22:11:47 +00:00
fvdl
7f432c74ab Bump some defaults and maximums to better values. 2000-09-19 22:05:55 +00:00
fvdl
8fd422dede Adapt for VOP_FSYNC parameter change. 2000-09-19 22:05:29 +00:00
bjh21
33daa8de6b New kernel option, NFS_V2_ONLY, which aims to reduce the NFS client to just 
that required to support NFSv2 mounts.  Not finished yet, but already
provides some 44k of saving in code size on arm26.  More savings, and some
documentation, are still to come.
 2000-09-19 17:04:50 +00:00
fvdl
3ec253a800 Fix bug in access cache that might result in permission being denied 
needlessly. From Matthias Drochner.
 2000-09-19 00:00:18 +00:00
nathanw
7023c5166c Fix typo in comment. 2000-08-23 23:17:14 +00:00
enami
d7236f8d44 Update nfs mount flags correctly. Fixes a bug introduced in rev. 1.65. 2000-08-23 09:59:22 +00:00
thorpej
7cc27a88c0 Convert namei pathname buffer allocation to use the pool allocator. 2000-08-03 20:41:05 +00:00
thorpej
d07efbc8b8 MALLOC()/FREE() are not to be used for variable size allocations. 2000-08-03 06:15:02 +00:00
simonb
4bb34ff30e Remove inclusion of <uvm/uvm_extern.h> that was there only to keep 
<sys/sysctl.h> happy.
 2000-07-30 06:22:04 +00:00
jdolecek
b0fb24279c change the lf_advlock() arguments from 
int     lf_advlock __P((struct lockf **,
           off_t, caddr_t, int, struct flock *, int));
to

int     lf_advlock __P((struct vop_advlock_args *, struct lockf **, off_t));

This matches common usage and is also compatible with similar change
in FreeBSD (though they use u_quad_t as last arg).
 2000-07-22 15:26:11 +00:00
mrg
05e377a0bd remove include of <vm/vm.h> 2000-06-28 03:30:42 +00:00
mrg
6eeafef261 remove include of <vm/vm.h> 2000-06-27 17:52:28 +00:00
mrg
7083fdcb62 disable the bloated NFS structure check on 64bit sparc64. 2000-06-20 02:29:51 +00:00
assar
6c734cd283 make vfs_getnewfsid only take one argument and fetch the name of the 
filesystem from the supplied mount argument.  also make makefstype
take a const parameter.  update all the callers.
 2000-06-10 18:27:01 +00:00
fvdl
7cfd328d97 Some tweaks to enable NFS over IPv6. The special-casing of AF_INET 
should really be removed.
 2000-06-09 00:00:17 +00:00
gmcgarry
8d994b82fa Allow nfs root over token ring. Closes PR6629. 2000-05-28 07:01:09 +00:00
thorpej
21fc65e1a8 sleep() -> tsleep() 2000-05-27 04:52:27 +00:00
enami
c7534ab8ba - Try to commit another buffer even if previous commit failed except the 
case that write verf is changed.  Suggested by mycroft@netbsd.org.
- Reset wcred to NULL (i.e., write credential isn't decieded) everytime
  before gathering buffer for new commit, so that there is a chance to
  the commit request is merged.
 2000-05-26 08:36:48 +00:00
enami
e79a50b93f In nfs_flush, if the previous commit succeeded and we may have more 
uncommitted dirty buffer, attempt to commit them.
 2000-05-25 23:28:44 +00:00
pk
72cadd83e4 Fix printf() format. 2000-05-18 08:34:26 +00:00
tsarna
9bd6bb5e81 Auto-adjusting vfs.nfs.iothreads: when mounting the first nfs 
filesystem, if the number of threads is "-1", meaning it's never been
set, then set it to 4.  You can override by setting this to some other
number (including 0) before or after mounting, of course.

Thanks to whoever it was that suggested this on ICB... sorry I don't
remember who.
 2000-05-07 01:38:36 +00:00
tsarna
a32696c2de 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.
 2000-04-15 21:14:48 +00:00
augustss
13e9027f58 Remove more register declarations. 2000-03-30 13:44:53 +00:00
augustss
8529438fe6 Remove register declarations. 2000-03-30 12:51:13 +00:00
simonb
19f0e3f6e8 Delete redundant decl of nfs_vget() - it's in <nfs/nfsmount.h>. 2000-03-30 02:46:36 +00:00
simonb
3e3701895d Delete redundant decls of fifo_vnodeop_p - it's in <miscfs/fifofs/fifo.h>. 
Don't need <sys/conf.h> here.
 2000-03-30 02:45:19 +00:00
simonb
b6c62dcaae Delete redundant decl of nfs_pub - it's in <sys/mount.h>. 
Delete redundant decl of nfsrv_zapsock() - it's in <nfs/nfs_var.h>.
 2000-03-30 02:43:58 +00:00
simonb
11bec2d6e1 Delete redundant decl of nfs_pub - it's in <sys/mount.h>. 
Delete redundant decls of nfsv{2,3}_type - they're in <nfs/nfsproto.h>.
 2000-03-30 02:43:13 +00:00
simonb
13e9e9754e Delete redundant decl of nfs_pub - it's in <sys/mount.h>. 2000-03-30 02:42:17 +00:00
simonb
515481f1ce Delete redundant decl of nfsv2_vnodeop_p, it's in <nfs/nfsnode.h>. 2000-03-30 02:40:37 +00:00
simonb
0fd09c8496 Don't need to include <sys/conf.h> here. 2000-03-29 03:43:33 +00:00
thorpej
fc96443d15 New callout mechanism with two major improvements over the old 
timeout()/untimeout() API:
- Clients supply callout handle storage, thus eliminating problems of
  resource allocation.
- Insertion and removal of callouts is constant time, important as
  this facility is used quite a lot in the kernel.

The old timeout()/untimeout() API has been removed from the kernel.
 2000-03-23 07:01:25 +00:00