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196 Commits

Author SHA1 Message Date
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
kleink 5cf59ee9ad Move the permission check in vfs_syscalls.c::change_owner() back to 
ufs_chown() again - the facility required in this context would be a
filesystem-specific super-user determination, which is not available yet.
 1998-03-10 11:56:40 +00:00
cgd c35a34ab68 ext2fs_checkoverlap is (or at least seems) unused, and its prototype is 
#ifdef DIAGNOSTIC.  Make the function #ifdef DIAGNOSTIC, as well, so we
don't get a warning about the function declaration not being a prototype.
 1998-03-04 06:50:25 +00:00
drochner 22dbd3c3da Don't cast the quad_t file size to u_long, this can cause overflows. 1998-03-03 09:02:51 +00:00
fvdl 221505c12f Make this compile again with UVM 1998-03-03 01:49:21 +00:00
fvdl e5209f31b8 A cookie should point to the *next* entry. Grrr. 1998-03-02 22:26:14 +00:00
bouyer 6d339338e6 Close kern/5077: When DIAGNOSTIC is defined, don't complain about 
bad magic numbers at a mount attempt. A message is still printed when the
magic number is OK, but the version number or the block size is bad.
Patch from Soren S. Jorvang, but different from the one in the PR.
 1998-03-02 16:13:42 +00:00
fvdl d201db498e Remove accidentally enabled lfs_mountroot from vfsops struct. 1998-03-01 22:16:39 +00:00
fvdl 8c7c2ea123 Remove accidentally enabled mfs_mountroot from vfsops struct. 1998-03-01 22:16:01 +00:00
fvdl 7ba6a2daac Remove extraneous files from Lite2 merge. 1998-03-01 13:45:28 +00:00
fvdl e5bc90f40c Merge with Lite2 + local changes 1998-03-01 02:20:01 +00:00
fvdl e8d05f0741 Import 4.4BSD-Lite2 1998-03-01 02:12:49 +00:00
fvdl b50e39fa45 Import 4.4BSD-Lite for reference 1998-03-01 02:09:33 +00:00
thorpej 95e2e3b91b Include the LFS option header. 1998-02-19 00:54:39 +00:00
drochner ba81b6f6df add missing vfsops element 1998-02-18 17:02:20 +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
kleink e34b0a84a9 Move some permission-checking code for file owner/group changes up to 
vfs_syscalls.c::change_owner().  Also, always update the inode's change time
if the operation succeeds.
 1998-02-14 19:56:30 +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
chs abf50cf8c3 add UVM stuff. 1998-02-07 17:28:18 +00:00
chs f64abc7b4c add flags arg to hashinit(), to pass to malloc(). 1998-02-07 02:44:44 +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
thorpej df7ad322f2 Nuke spurious semicolon, from Konrad Schroder <perseant@hhhh.org>. 1998-01-13 03:30:39 +00:00
bouyer 459fd0e350 When allocating an inode with dtime set, also bzero e2di_blocks[]. 1997-10-27 14:43:41 +00:00
bouyer 89f2b833f4 Uses ext2fs_vinit not ufs_vinit. 
In ext2fs, an inode is deleted either when mode == 0 or dtime != 0. If
  dtime != 0, reset others fields before using the inode, or we could end
  up with the wrong v_op in ext2fs_vinit.
While I'm there, kill a unused variable in ext2fs_readwrite
 1997-10-23 11:41:16 +00:00
christos e12c721705 Add missing cast for nlink_t 1997-10-17 02:05:34 +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
enami 499f056402 Backout last change for ufs_readlink. The permission check is now done 
in vfs layer.
 1997-10-11 00:10:57 +00:00
bouyer f5d86626ec Update for 64 bits directory cookies. 1997-10-10 10:00:12 +00:00
fvdl 6a0575f33e Last arg to VOP_READDIR became off_t. 1997-10-10 02:13:42 +00:00
bouyer 6ab3092b11 Add byte-swapping functions (bswap16, bswap32, bswap64) to libkern. 
Only assembly version for i386 bswap16 and bswap32 for now (bswap64 uses
bswap32). Contribution of assembly versions of these are welcome.
Add byte-swapping of ext2fs metadata for big-endian systems.
Tested on i386 and sparc.
 1997-10-09 15:42:19 +00:00
enami 164890a9fc In the function ufs_readlink(), check read permission before 
reading link.
 1997-10-03 16:45:49 +00:00
lukem 319d918511 prototype lfs_cksum ifndef KERNEL 1997-09-15 06:44:48 +00:00
bouyer 09cf6dacdf Fix bad cut&paste from ufs code: we can't align uio_resid to a directory 
block size boundary, because size of the returned dir entry may be bigger than
the one read.
 1997-08-04 09:11:00 +00:00
bouyer 3bf1a6ad00 ufs_getlbns needs an array of NIADDR+1 struct indir's, and not NIADDR. 
This fixes a panic due to stack corruption when reading larges files.
 1997-07-24 17:18:03 +00:00
fvdl e351013e56 Fix messed up RCS Id. 1997-07-22 14:36:31 +00:00
fvdl f2377e977b When allocating a new block, store the result obtained through counting 
indirect blocks in a 64 bit integer, to prevent overflows when computing
NINDIR^3
 1997-07-17 23:40:07 +00:00
bouyer 1d5e0e6e91 Add a lock locking around inode hashing. 1997-07-17 16:56:44 +00:00
fvdl 286a3374b9 Give the hash lock a better name, it's not just ffs that uses it. 1997-07-15 19:08:18 +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
drochner 8c0a9bab00 Don't cast 64bit (off_t) file sizes to vm_offset_t (32bit on many 
architectures), truncate them intelligently instead.
The truncation is done centralized in vnode_pager.c.
This prevents from wrap-over effects when parts of large (>2^32 byte) files
are mmapped.
Don't allow to mmap above the numerical range of vm_offset_t.
This is considered a temporary solution until the vm system handles the
object sizes/offsets more cleanly.
 1997-07-04 20:22:09 +00:00
bouyer 77d5755416 Sync with ufs/ufs: 
Avoid panic triggered by rename("foo/", "bar/..") (From Mycroft, via christos)
 1997-07-01 07:34:03 +00:00
fvdl 9b30a6a4e5 Return EPERM for an attempt to remove a directory with VOP_REMOVE, not EISDIR. 1997-06-30 20:16:31 +00:00
fvdl 822371a987 Return EPERM, not EISDIR for an attempt to remove a directory. 1997-06-30 20:13:44 +00:00
christos b59135a6fb Avoid panic triggered by rename("foo/", "bar/..") (From Mycroft) 1997-06-26 22:23:17 +00:00
pk 2e8a55e122 TIMESPEC_TO_TIMEVAL => TIMEVAL_TO_TIMESPEC 1997-06-13 08:59:51 +00:00
mrg 295af85e9e remove swap configuration. 1997-06-12 17:12:17 +00:00
bouyer 76c414a957 Add support for ext2fs, this needed a few modifications to ufs/ufs/inode.h: 
- added an "union inode_ext" to struct inode, for the per-fs extentions.
  For now only ext2fs uses it.
- i_din is now an union:
	union {
		struct  dinode ffs_din; /* 128 bytes of the on-disk dinode. */
		struct ext2fs_dinode e2fs_din; /* 128 bytes of the on-disk dinode. */
	} i_din
  Added a lot of #define i_ffs_* and i_e2fs_* to access the fields.
- Added two macros: FFS_ITIMES and EXT2FS_ITIMES. ITIMES calls the rigth
  macro, depending on the time of the inode. ITIMES is used where necessary,
  FFS_ITIMES and EXT2FS_ITIMES in other places.
 1997-06-11 10:09:37 +00:00