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39 Commits

Author SHA1 Message Date
cgd
32b4385a97 fix bug pointed out by, and do the cleanup suggested by 
Alasdair Baird <alasdair@wildcat.demon.co.uk>.  From pr 1301.
 1995-08-02 22:01:46 +00:00
cgd
f5bbdfba41 bdwrite() should upgrade writes to tape devices by sending them to 
bawrite().  it's logically more correct (doesn't return an error code,
because it's async; bdwrite is also async), it still writes things
in-order, it makes sure the proper accountins is done (see the
wasdelayed cases in bwrite()), and it allows writes to vnodes on volumes
mountd with the MNT_ASYNC to be converted into delayed writes the way
God, err, Kirk intended.  Convert synchronous bwrite()s on MNT_ASYNC
file systems to delayed writes.
 1995-07-12 07:56:31 +00:00
cgd
9c3fe30d92 fix long-standing XXX in getblk(): NFS does funky things (somewhat 
explained in comments), which can cause a race condition.  amazingly,
the _only_ time i've ever seen or heard of this problem was in some
comments and sources by Rick Macklem, and when running against the
a DEC OSF/1 NFS server running on an Alpha.
 1995-07-12 07:39:00 +00:00
cgd
3176641085 fix pr 1128; change vfs_bufstats defn from DIAGNOSTIC - > DEBUG 1995-06-20 10:42:33 +00:00
mycroft
04a0a9a518 Use the new d_type field. 1995-04-10 00:46:51 +00:00
mycroft
642eb11a86 Various code rearrangement. 1994-11-22 01:31:02 +00:00
cgd
6ac2bbfc35 be more careful with types, also pull in headers where necessary. 1994-10-30 21:43:03 +00:00
mycroft
f5232de492 Patch to fix `reassignbuf: NULL' messages, from cgd. 1994-08-29 01:47:02 +00:00
cgd
ea01579f35 light clean up, use some macros 1994-07-03 07:57:32 +00:00
cgd
cf92afd66e New RCS ID's, take two. they're more aesthecially pleasant, and use 'NetBSD' 1994-06-29 06:29:24 +00:00
mycroft
11884bb842 Minor cleanup. 1994-06-14 19:36:14 +00:00
mycroft
699bbb84b6 Update to 4.4-Lite fs code. 1994-06-08 11:28:29 +00:00
cgd
ffde2d4a28 minor type pointed out by Onno van der Linden 1994-06-05 13:00:49 +00:00
mycroft
766c830cb5 Clear more flags in brelse(). 1994-05-29 22:50:50 +00:00
mycroft
facfcdd2ef Cluster routines want 0-sized bufs. 1994-05-27 11:05:54 +00:00
cgd
7f683b3792 some paranoia, also, clean up spaces vs. tabs 1994-05-19 03:04:01 +00:00
cgd
c18ec4dca5 my two favorite reference books 1994-05-18 10:51:13 +00:00
cgd
fbd5b44ec7 forgot the damned rcsid 1994-05-18 10:28:14 +00:00
cgd
ddca406d72 significant rework, to match 4.4-Lite interfaces, and to comment more 
closely from Bach.
 1994-05-18 10:24:54 +00:00
cgd
179c5769e3 notdef out vn_bwrite out, for now, so that kernels compile, until new fs stuff 1994-05-17 10:50:56 +00:00
mycroft
6c7bd3b00f Implement new functions for 4.4-Lite file systems, and some general cleanup. 1994-05-17 03:43:46 +00:00
cgd
009e6dd4e9 rearrange some splfoo 1994-04-28 01:17:00 +00:00
cgd
ed7e1b86da clean up a little bit, and minor optimization... 1994-04-26 05:40:35 +00:00
cgd
3dda0064a5 Convert mount, vnode, and buf structs to use <sys/queue.h>. Also, 
some knf and structure frobbing to do along with it.
 1994-04-21 07:47:31 +00:00
ws
ce516ff13d Make FFS optional 1994-03-09 21:21:37 +00:00
cgd
07c0d9025d get rid of jolitz hack, and add panic() where appropriate 1994-01-27 07:39:32 +00:00
mycroft
7f50bd1829 Canonicalize all #includes. 1993-12-18 04:21:37 +00:00
cgd
76dbc1192b new specfs.h and fifo.h locations 1993-11-12 05:54:12 +00:00
cgd
889b512ea4 if you try to allocate a buffer larger than MAXBSIZE, panic. 1993-10-26 19:38:55 +00:00
cgd
2ff9ed5060 fix my last change; for some reason i thought that 'p' was defined 
in these functions.  use curproc instead.
 1993-10-19 23:41:44 +00:00
cgd
dfaa02a09b pay for block i/o. slightly different than how done by Mark Tinguely. 1993-10-19 02:47:56 +00:00
cgd
714fa4716b changed the Debugger() call, which not all kernels have, to panic(), 
but only when DIAGNOSTIC is defined.
 1993-10-06 07:24:21 +00:00
cgd
772436479d new, improved, and rationally-implemented vfs_bio. no more serious 
structural changes should happen, as it now does the right thing
w.r.t. buffer resizing and having lots of buffers vs. relatively
little buffer space.  Ports can now "do the standard thing", re:
nbuf and bufpages, which is make nbuf = bufpages by default.
 1993-10-04 04:56:28 +00:00
cgd
e27f6e3ea0 patch from Christoph Badura <bad@flatlin.ka.sub.org> to fix credential 
use by read-ahead blocks.  This fixes those weak NFS authentication
messages, and allows us to use BSDI NFS servers again...
 1993-10-01 21:47:11 +00:00
cgd
1d0f22a29a convert to use the buffers which are (now) statically allocated at 
startup in machdep.c...  buffers are now *never* allocated after boot.
currently, the limitation that says bufpages must cover nbuf*MAXBSIZE
still exists, but this is one step closer to removing that limitation.
 1993-09-29 04:49:15 +00:00
cgd
94ac210002 rewrite biodone to the spec in the daemon book, and to account for 
the fact that buffers with B_CALL set shouldn't be brelse()'d.
 1993-09-21 00:40:02 +00:00
cgd
cd56dd1638 merge in changes from netbsd-0-9-ALPHA2 1993-08-07 07:53:27 +00:00
ws
96ec00e106 Use all of freebufspace 1993-07-24 22:09:50 +00:00
cgd
9bd082f70e replace jolitz's vfs__bio with a better one from CMU via mw. 
so, replace vfs__bio, and deal with attendant changes.
 1993-07-19 16:38:35 +00:00