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64 Commits

Author SHA1 Message Date
mycroft 967a4693f2 Set the B_NOCACHE bit so that NFSv3 will not try to do async writes. 1998-11-08 19:45:17 +00:00
christos 45935a4c8d Make copyrights consistent; remove extra trailing spaces, change reformatted 
copyrights to original format, change ' ' to '\t'.
 1998-09-13 13:21:37 +00:00
pk d2d3f83fd7 Panic instead failing the syscall on an impossible condition (from Robert Elz). 
Plug possible memory leakage with the recently added device path stuff.
 1998-09-06 23:09:39 +00:00
drochner 0ff42b44b1 Fix UIO_SYSSPACE / UIO_USERSPACE confusion in the new swappath code. 1998-09-06 11:59:28 +00:00
mrg edda33e00c move <vm/vm_swap.h> to <sys/swap.h>. <vm/vm_swap.h> still works for now (goes away later) 1998-08-29 17:01:14 +00:00
mrg b5f69ff667 add a `char se_path[PATH_MAX]' member to struct swapent, that 
the pathname of the swap device is saved into.  add a char *swd_path
member to struct swapdev, that contains a copy of the pathname
(using malloc(9)).  rename swapctl(2)'s SWAP_STATS to SWAP_OSTATS,
and add a new SWAP_STATS command (number).  make swapctl(SWAP_STATS,
...) [new version] copy the path out.  if COMPAT_13, also include
support for SWAP_OSTATS.  also fix a minor bug in swapctl(2).

the point of this is that swapfiles are now shown in `swapctl -l'.
 1998-08-29 13:27:50 +00:00
perry e6886047c9 bzero->memset, bcopy->memcpy, bcmp->memcmp 1998-08-09 21:58:52 +00:00
pk a96abe7092 Update pool_* functions to new interface. 1998-07-23 20:52:01 +00:00
fvdl e5bc90f40c Merge with Lite2 + local changes 1998-03-01 02:20:01 +00:00
pk ed1d38cfe3 Add "storage" arguments (all NULL) to pool_create() and pool_prime(). 1998-02-19 23:56:37 +00:00
thorpej 1e3e1bfe09 Include the NFS option header. 1998-02-19 00:55:04 +00:00
pk 443a2a02f4 "pool" routines moved to kern/subr_pool.c 1997-12-15 11:18:41 +00:00
pk 5d1352c448 Guard against synchronous I/O completetion per swap-device. 1997-12-02 13:47:37 +00:00
pk 1736bb9de8 Make the code a bit more readable. 1997-12-01 17:10:48 +00:00
pk d4a6f93147 Make sure the damned buffer heads are initialized... 1997-12-01 16:33:15 +00:00
pk 46f604677d Avoid several race conditions, especially when a transaction ends in error. 
Guard sw_reg_start() against synchronous completions of the device
strategy routines, avoiding possibly boundless recursion.
 1997-11-29 00:35:43 +00:00
thorpej 97d2a58201 Fix slight argument bogosity with getgroups(), setgroups(), select(), 
and swapctl().  For the former three, they use an 'int' in their user-land
prototype which was a 'u_int' in the kernel, which screwed up automatic
generation/checking of lint syscall stubs.  For the latter, the user-land
prototype uses a "const char *", but the syscall just used "char *".

From Chris Demetriou <cgd@pa.dec.com>.
 1997-11-04 21:24:14 +00:00
pk d24dbbbfc4 A `simplelock' suffices for most swap device list traversals, as noted 
by Chuck Cranor.

Use an exclusive (long-term) lock before applying changes to the swap
lists. This lock is also used by the stats system call because of possible
blocking in copyout().
 1997-10-17 19:06:05 +00:00
pk dfbda96da0 Use `long' to cast a pointer to an integer and back. 1997-10-14 08:50:18 +00:00
pk e95c79e586 Keep a private pool of auxiliary resources (vndxfer & vndbuf structures) 
used to setup I/O to regular files.

Implemented in a somewhat generic way, for what it's worth.
 1997-10-13 19:15:19 +00:00
mrg 55c881fbd2 when creating the per-device extent, use from 0 to nblks, and then 
extent_alloc_region() any skipped space.  this is (basically) what
the previous swap code did (with rmaps rather than extents).
 1997-10-10 13:16:24 +00:00
mrg 74f573d85d remove advertising clause from all my licenses. 1997-10-10 05:39:47 +00:00
thorpej 3bd11220b6 Don't print a message if the user attempts SWAP_OFF. Return an error 
instead.
 1997-06-17 03:37:07 +00:00
thorpej c61704d37c Remove the code that sets dumpdev, for two reasons: 
- It was incorrect.  A dev_t should _never_ be compared against
  NULL, as 0 is a valid value (major 0, minor 0).
- The operator mave have _intentionally_ set dumpdev to "none"
  (i.e. NODEV), and setting it the first time a VBLK swap device
  is added would break the semantics.
setroot() deals with all dump device selection.  Dumps and swap are now
in no way related.
 1997-06-16 20:21:55 +00:00
mrg c78d0720ff - set dumpdev if not already set 
- don't use nocoalease (from thorpej).
- fix priority list management (from pk).
- update comment for swapoff.
- free swap device extent name safely (from thorpej).
 1997-06-16 13:35:17 +00:00
pk e5b0a8820b As long as we actually use `swapdev_vp', initialize it. 1997-06-13 15:37:17 +00:00
mrg 21cc3ddfd5 bring mrg-vm-swap2 onto mainilne. 1997-06-12 14:51:20 +00:00
thorpej e73580920d Change to not require including <sys/dmap.h> 1997-04-17 00:12:50 +00:00
thorpej b7a5b84750 Treat the nswdev == 0 case like the nswap == 0 case; don't panic, just 
report no swap space.  Suggested by Leo Weppleman <leo@netbsd.org>.
 1997-01-22 07:28:21 +00:00
perry 9ab047883b Fix unused variable -Wxxx failure when MINIROOTSIZE defined. 1996-10-21 01:32:38 +00:00
christos 3dc7953eec back out previous kprintf changes 1996-10-12 21:50:05 +00:00
christos de1b2b437e printf -> kprintf, sprintf -> ksprintf 1996-10-10 17:16:17 +00:00
christos bcabcefdcd VM prototype changes 1996-02-05 01:53:47 +00:00
mycroft 245f292fed Prefix names of system call implementation functions with `sys_'. 1995-10-07 06:25:19 +00:00
thorpej 7160dfc805 Make system calls conform to a standard prototype and bring those 
prototypes into scope.
 1995-09-19 21:57:36 +00:00
gwr 5520ccdbf9 Preserve miniroot when (swdevt[i].sw_vp == rootvp) 1995-09-18 21:21:00 +00:00
cgd 4ec7eec85b don't forget the 'dev' argument to physio(). pointed out by der Mouse 
and others.
 1995-07-19 13:04:02 +00:00
mycroft 7263209ce6 Make each disk and tape driver define its own read and write functions. 
Deprecate rawread() and rawwrite() completely.  Remove d_strategy from cdevsw to
force the abstraction barrier.
 1995-07-04 07:15:28 +00:00
cgd 4b5b562e89 turn spaces to tabs 1995-01-09 02:47:38 +00:00
cgd 6b86130410 update for new syscall args description mechanism 1994-10-20 04:22:35 +00:00
mycroft fe18d806d2 Don't panic if primary swap device is not configured. 1994-07-21 07:12:13 +00:00
cgd fccfa11af5 New RCS ID's, take two. they're more aesthecially pleasant, and use 'NetBSD' 1994-06-29 06:39:25 +00:00
cgd 9608c5b657 clean up slightly; change RCS ID's to be minimally intrusive 1994-06-27 04:55:46 +00:00
pk bccc2c3c1b straighten out diskless swap code somewhat. 1994-06-22 14:01:45 +00:00
mycroft 264b874c14 Update to 4.4-Lite fs code, with local changes. 1994-06-08 11:41:58 +00:00
cgd 3495827959 new VM code, from 4.4-Lite 1994-05-23 03:11:20 +00:00
cgd 95fcf16b66 add sequential swap device support, supplied by hibler many moons ago. 
(Note that it needs config support, too, which isn't there yet, but
might be soon...)  Also, general cleanup.  use NODEV to terminate swdevt,
so that sparc port (and future) is happy.
 1994-04-25 23:53:51 +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
mycroft a8f3db1d79 Use b_actf, not av_forw. 1994-02-06 10:13:02 +00:00
mycroft bbe22a5947 Add some explicit return types. 1994-01-07 22:34:37 +00:00