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98 Commits

Author SHA1 Message Date
fvdl fe39281ea4 Fixes to the softdep code from Ethan Solomita <ethan@geocast.com>. 
* Fix buffer ordering when it has dependencies.
* Alleviate memory problems.
* Deal with some recursive vnode locks (sigh).
* Fix other bugs.
 2000-02-14 22:00:21 +00:00
bouyer 3c680c00ab Handle pre-FS_42POSTBLFMT. I now can mount an Ultrix file system on my 
sparc without panic.
 2000-01-18 18:41:29 +00:00
drochner 800b976584 Call ffs_oldfscompat() before all the consistency checks, to avoid the 
use of uninitialized data in the checks if the filesystem is an old one.
 1999-12-10 14:36:04 +00:00
fvdl 0b1963121a Add Kirk McKusick's soft updates code to the trunk. Not enabled by 
default, as the copyright on the main file (ffs_softdep.c) is such
that is has been put into gnusrc. options SOFTDEP will pull this
in. This code also contains the trickle syncer.

Bump version number to 1.4O
 1999-11-15 18:49:07 +00:00
enami fee96e1746 Check if the type of device node isn't VBAD before touching v_specinfo. If 
the device vnode is revoked, the field is NULL and touching it causes null
pointer derefercence.
 1999-10-20 14:32:09 +00:00
wrstuden e682a080e9 In spec_close(), if we're not doing a non-blocking close and VXLOCK is 
not set, unlock the vnode before calling the device's close routine and
relock it after it returns. tty close routines will sleep waiting for
buffers to drain, which won't happen often times as the other side needs
to grab the vnode lock first.

Make all unmount routines lock the device vnode before calling VOP_CLOSE().
 1999-10-16 23:53:26 +00:00
thorpej 29df848753 Need <string.h> for memcpy(3) prototype if building from userland. 1999-09-14 04:50:54 +00:00
wrstuden 3bf14d81e9 Add support for fcntl(2) to generate VOP_FCNTL calls. Any fcntl 
call with F_FSCTL set and F_SETFL calls generate calls to a new
fileop fo_fcntl. Add genfs_fcntl() and soo_fcntl() which return 0
for F_SETFL and EOPNOTSUPP otherwise. Have all leaf filesystems
use genfs_fcntl().

Reviewed by: thorpej
Tested by: wrstuden
 1999-08-03 20:19:16 +00:00
drochner 12a6593f79 clean up inclusion of "opt_ffs.h" and use of "FFS_EI" a bit 1999-08-03 19:22:43 +00:00
wrstuden 976aedb7ac Adjust mountroot routines to vrele rootvp in case of mount error. Closes 
PR 7977 by Neil Carson, <neil@brini.com>.
 1999-07-17 01:08:28 +00:00
wrstuden 379a26972f Modify file systems to deal with struct lock in struct vnode. All leaf 
fs's other than nfs use genfs_lock() for locking.

Modify lookup routines to set PDIRUNLOCK when they unlock the parrent.
 1999-07-08 01:05:58 +00:00
mrg d2397ac5f7 completely remove Mach VM support. all that is left is the all the 
header files as UVM still uses (most of) these.
 1999-03-24 05:50:49 +00:00
mycroft b174019ccc Pass null pointers to VOP_UPDATE rather than having all the callers fetch the 
current time themselves.
 1999-03-05 21:09:48 +00:00
mycroft 86ed73efb4 Permit the access and modify time pointers passed to VOP_UPDATE to be null, 
meaning the current time.
 1999-03-05 20:47:06 +00:00
bouyer 00d7241e81 Don't check fs_bsize before the superblock has been swapped if needed. 
Check value of sbsize before allocating memory with this value.
 1999-03-05 12:02:18 +00:00
wrstuden 862a56e88b Modify vfsops to seperate vfs_fhtovp() into two routines. vfs_fhtovp() now 
only handles the file handle to vnode conversion, and a new call,
vfs_checkexp(), performs the export verification.
 1999-02-26 23:44:43 +00:00
bouyer 22d556f6cf Make sure a buffer optained from bread() is always bresle()'d in case of 
error. Closes PR kern/1448 from Wolfgang Solfrank.
 1999-02-10 13:14:08 +00:00
bouyer cdbe530495 No need to #include malloc.h here. 1998-12-04 11:02:30 +00:00
bouyer 3efc699962 Sanity check a few values in the superblock, to avoid mallocing huge 
memory area if we try to mount a corrupted filesystem. Fixes kern/3933.
 1998-12-04 11:00:40 +00:00
thorpej 1fcae7f1be defopt FFS_EI 1998-11-12 19:51:10 +00:00
mycroft 1a5b9c6c30 Do not corrupt file flags when file system is full! 1998-10-27 21:32:58 +00:00
thorpej f7948d05a1 Use DINODE_SIZE rather than pointer arithmetic. 1998-10-23 00:31:28 +00:00
christos e62c8fd824 Missed a conditional for FFS_EI; appears when we compile without -Ox 1998-10-04 18:07:57 +00:00
thorpej 60cfe320cc Use the pool allocator and the "nointr" pool page allocator for FFS inodes. 
XXX MFS also comes in here for inodes, and used a different malloc type,
but the structure is the same, so we just use the FFS inode pool.
 1998-09-01 03:11:08 +00:00
thorpej 39f683419f Back out part of last change (uninitialized work-around). 1998-08-18 18:15:41 +00:00
thorpej 6fc90a1a4d Add some braces to make egcs happy (ambiguous else warning). Also, 
deal with bogus uninitialized warning (__noreturn__ related)
 1998-08-18 06:47:53 +00:00
perry 27ca6798df bzero->memset, bcopy->memcpy, bcmp->memcmp 1998-08-09 20:15:38 +00:00
drochner 2dcc522f1d The fragtbl[], inside[] and around[] variables are needed by "fsck", 
so we can't put them inside "#ifdef _KERNEL".
Put declarations inside .c files where needed to preserve namespace.
 1998-07-28 17:30:01 +00:00
mycroft 829367f279 Omit some externs if not _KERNEL. 1998-07-28 04:17:51 +00:00
jonathan d275e56dee * defopt COMPAT_{09,10,11,12,13} and COMPAT_NOMID. 
TODO: revisit interaction between native compat and emul compat usage.
 1998-07-05 08:49:30 +00:00
sommerfe 7ba7fbbb23 Always include fifos; "not an option any more". 1998-06-24 20:58:44 +00:00
sommerfe becaafeea0 defopt for options FIFO 1998-06-22 22:00:59 +00:00
kleink 2d869bbacf KNF, mostly of FFS_EI changes. 1998-06-13 16:26:22 +00:00
cgd 651b44e211 Rework the way kernel include files are installed. In the new method, 
as with user-land programs, include files are installed by each directory
in the tree that has includes to install.  (This allows more flexibility
as to what gets installed, makes 'partial installs' easier, and gives us
more options as to which machines' includes get installed at any given
time.)  The old SYS_INCLUDES={symlinks,copies} behaviours are _both_
still supported, though at least one bug in the 'symlinks' case is
fixed by this change.  Include files can't be build before installation,
so directories that have includes as targets (e.g. dev/pci) have to move
those targets into a different Makefile.
 1998-06-12 23:22:30 +00:00
kleink 74ce7ac984 KNF: only include one of <sys/{param,types}.h>, not both. 1998-06-10 15:57:39 +00:00
scottr 7171cca4b8 Protect various config(8)-generated files from inclusion while 
building LKMs.  Fixes PR 5557.
 1998-06-09 07:46:31 +00:00
ragge 1a66918fc0 Wrong include file order; caused compile error on vax. 1998-06-08 17:59:08 +00:00
scottr d48f258f90 Use the newly-defined opt_quota.h. 1998-06-08 04:27:50 +00:00
kleink 382743ada3 Convert fsync vnode operator implementations and usage from the old `waitfor' 
argument and MNT_WAIT/MNT_NOWAIT to `flags' and FSYNC_WAIT.
 1998-06-05 19:53:00 +00:00
ross ac5774c288 Fix a 64-bit pointer/int warning. 1998-03-19 03:42:35 +00:00
bouyer 091dafd39f Add support for reading/writing FFS in non-native byte order, conditioned 
to "options FFS_EI". The superblock and inodes (without blk addr) are
byteswapped at disk read/write time, other metadatas are byteswapped
when used (as they are acceeded directly in the buffer cache).
This required the addition of a "um_flags" field to struct ufsmount.
ffs_bswap.c contains superblock and inode byteswap routines also used
by userland utilities.
 1998-03-18 15:57:26 +00:00
fvdl e5bc90f40c Merge with Lite2 + local changes 1998-03-01 02:20:01 +00:00
thorpej b5bf2ed6d0 Place a pointer to an array of our vnodeopv_desc *'s in our vfsops 
structure, for use by vfs_attach().
 1998-02-18 07:05:47 +00:00
mrg d90485202c - add defopt's for UVM, UVMHIST and PMAP_NEW. 
- remove unnecessary UVMHIST_DECL's.
 1998-02-10 14:08:44 +00:00
mrg 1a8c7604f4 initial import of the new virtual memory system, UVM, into -current. 
UVM was written by chuck cranor <chuck@maria.wustl.edu>, with some
minor portions derived from the old Mach code.  i provided some help
getting swap and paging working, and other bug fixes/ideas.  chuck
silvers <chuq@chuq.com> also provided some other fixes.

this is the rest of the MI portion changes.

this will be KNF'd shortly.  :-)
 1998-02-05 07:59:28 +00:00
mjacob 949982f2a4 In calculating the f_bavail field, don't take 32 bit quantities and 
multiply them by 90 (to be divided by 100) and expect them to be sane
for very large values (I was getting a negative 'avail' count).
 1997-10-16 18:29:11 +00:00
fvdl e351013e56 Fix messed up RCS Id. 1997-07-22 14:36:31 +00:00
fvdl 5d96e77ef6 Get locking around inode hashing right. 1997-07-07 23:37:36 +00:00
fvdl acffafa288 Oops, I messed up the lock. Reverting it until I have time to fix it, 
to avoid people getting trouble after the supscan hits.
 1997-07-07 11:47:06 +00:00
fvdl b362aa16be Put lock around inode hashing, because getnewvnode or MALLOC might block, 
creating race conditions.
 1997-07-06 12:43:43 +00:00