CVS log for src/sbin/fsck_ffs/utilities.c

Up to [cvs.NetBSD.org] / src / sbin / fsck_ffs

Request diff between arbitrary revisions

Keyword substitution: kv
Default branch: MAIN

Revert "fsck_ffs(8): Ensure A divides S before aligned_alloc(A, S)."

C17 lifted this restriction.

fsck_ffs(8): Fix whitespace issues.

- Nix trailing whitespace.
- Omit excessive blank lines.
- Insert missing blank lines between $NetBSD$ and copyright.

No functional change intended.

fsck_ffs(8): Ensure A divides S before aligned_alloc(A, S).

Required by C11 Sec. 7.22.3.1 The aligned_alloc function, para. 2,
p. 348:

   The value of alignment shall be a valid alignment supported by the
   implementation and the value of size shall be an integral multiple
   of alignment.

XXX pullup-10

Pull up following revision(s) (requested by chs in ticket #162):

	sbin/fsck_ffs/inode.c: revision 1.74
	sbin/fsck_ffs/utilities.c: revision 1.68
	sbin/fsck_ffs/fsck.h: revision 1.57
	sbin/fsck_ffs/pass4.c: revision 1.30

catch up with sign changes in the fs.h

catch up with sign changes in the fs.h

Restore backward compatibility of UFS2 with previous NetBSD releases by
disabling support in UFS2 for extended attributes (including ACLs).
Add a new variant of UFS2 called "UFS2ea" that does support extended attributes.
Add new	fsck_ffs operations "-c	ea" and	"-c no-ea" to convert file systems
from UFS2 to UFS2ea and	vice-versa (both of which delete all existing extended
attributes in the process).

Sync with HEAD

align buffers used for I/O to DEV_BSIZE so it's executed more optimally
when run for xbd(4) raw (character) device

Sync with HEAD

Sync with HEAD

Add smaller versions of fsck_ffs(8) and newfs(8) for install media, where
support for Endian-Independent FFS and Apple UFS is disabled unless FFS_EI=1
and APPLE_UFS=1 are added to CRUNCHENV, respectively.

This reduces the size of ramdisk image for atari by over 15KB.

Thanks tsutsui and christos for their useful comments.

Rebase to HEAD as of a few days ago.

sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs.  ("Protocol error: too many arguments")

fix unused variable warnings.

Stick ffs_ in front of the following macros:
   fragstoblks()
   blkstofrags()
   fragnum()
   blknum()

to finish the job of distinguishing them from the lfs versions, which
Christos renamed the other day.

I believe this is the last of the overtly ambiguous exported symbols
from ffs... or at least, the last of the ones that conflicted with lfs.
ffs still pollutes the C namespace very broadly (as does ufs) and this
needs quite a bit more cleanup.

XXX: boo on macros with lowercase names. But I'm not tackling that just yet.

fsbtodb() -> FFS_FSBTODB(), EXT2_FSBTODB(), or MFS_FSBTODB()
dbtofsb() -> FFS_DBTOFSB() or EXT2_DBTOFSB()

(Christos already did the lfs ones a few days back)

resync with head

sync with head

Stuff UFS_ in front of a few of ufs's symbols to reduce namespace
pollution. Specifically:
   ROOTINO -> UFS_ROOTINO
   WINO -> UFS_WINO
   NXADDR -> UFS_NXADDR
   NDADDR -> UFS_NDADDR
   NIADDR -> UFS_NIADDR
   MAXSYMLINKLEN -> UFS_MAXSYMLINKLEN
   MAXSYMLINKLEN_UFS[12] -> UFS[12]_MAXSYMLINKLEN (for consistency)

Sort out ext2fs's misuse of NDADDR and NIADDR; fortunately, these have
the same values in ext2fs and ffs.

No functional change intended.

Catchup with rmind-uvmplock merge.

share more code.

merge the bouyer-quota2 branch. This adds a new on-disk format
to store disk quota usage and limits, integrated with ffs
metadata. Usage is checked by fsck_ffs (no more quotacheck)
and is covered by the WAPBL journal. Enabled with kernel
option QUOTA2 (added where QUOTA was enabled in kernel config files),
turned on with tunefs(8) on a per-filesystem
basis. mount_mfs(8) can also turn quotas on.

See http://mail-index.netbsd.org/tech-kern/2011/02/19/msg010025.html
for details.

Fix cut-n-paste: compare gid against gid, not uid.

Snapshot of work in progress on a modernised disk quota system:
- new quotactl syscall (versionned for backward compat), which takes
  as parameter a path to a mount point, and a prop_dictionary
  (in plistref format) describing commands and arguments.
  For each command, status and data are returned as a prop_dictionary.
  quota commands features will be added to take advantage of this,
  exporting quota data or getting quota commands as plists.

- new on disk-format storage (all 64bit wide), integrated to metadata for
  ffs (and playing nicely with wapbl).
  Quotas are enabled on a ffs filesystem via superblock flags.
  tunefs(8) can enable or disable quotas.
  On a quota-enabled filesystem, fsck_ffs(8) will track per-uid/gid
  block and inode usages, and will check and update quotas in Pass 6.
  quota usage and limits are stored in unliked files (one for users,
  one for groups)l fsck_ffs(8) will create the files if needed, or
  free them if needed. This means that after enabling or disabling
  quotas on a filesystem; a fsck_ffs(8) run is required.
  quotacheck(8) is not needed any more, on a unclean shutdown
  fsck or journal replay will take care of fixing quotas.
  newfs(8) can create a ready-to-mount quota-enabled filesystem
  (superblock flags are set and quota inodes are created).
  Other new features or semantic changes:
  - default quota datas, applied to users or groups which don't already
    have a quota entry
  - per-user/group grace time (instead of a filesystem global one)
  - 0 really means "nothing allowed at all", not "no limit".
    If you want "no limit", set the limit to UQUAD_MAX (tools will
    understand "unlimited" and "-")

  A quota file is structured as follow:
  it starts with a header, containing a few per-filesystem values,
  and the default quota limits.
  Quota entries are linked together as a simple list, each entry has a
  pointer (as an offset withing the file) to the next.
  The header has a pointer to a list of free quota entries, and
  a hash table of in-use entries. The size of the hash table depends
  on the filesystem block size (header+hash table should fit in the
  first block). The file is not sparse and is a multiple of
  filesystem block size (when the free quota entry list is empty a new
  filesystem block is allocated). quota entries to not cross
  filesystem block boundaries.

  In memory, the kernel keeps a cache of recently used quota entries
  as a reference to the block number, and offset withing the block.
  The quota entry itself is keept in the buf cache.

fsck_ffs(8), tunefs(8) and newfs(8) supports are completed (with
related atf tests :)
The kernel can update disk usage and report it via quotactl(2).

Todo: enforce quotas limits (limits are not checked by kernel yet)
      update repquota, edquota and rpc.rquotad to the new world
      implement compat_50_quotactl ioctl.
      update quotactl(2) man page

fsck_ffs required fixes so that allocating new blocks or inodes will
properly update the superblock and cg sumaries. This was not an issue up
to now because superblock and cg sumaries check happened last, but now
allocations or frees can happen in pass 6.

make this compile again.

PR/42568: Pedro F. Giffuni: Better signal handling from OpenBSD, but simplified.

Sync with HEAD.

Sync with wrstuden-revivesa-base-2.

Merge the simonb-wapbl branch.  From the original branch commit:

   Add Wasabi System's WAPBL (Write Ahead Physical Block Logging)
   journaling code.  Originally written by Darrin B. Jewell while
   at Wasabi and updated to -current by Antti Kantee, Andy Doran,
   Greg Oster and Simon Burge.

OK'd by core@, releng@.

Initial commit of Wasabi System's WAPBL (Write Ahead Physical Block
Logging) journaling code.  Originally written by Darrin B. Jewell
while at Wasabi and updated to -current by Antti Kantee, Andy Doran,
Greg Oster and Simon Burge.

Still a number of issues - look in doc/BRANCHES for "simonb-wapbl"
for more info.

Sync with HEAD.

sync with head.

sync with HEAD

Make sure that the exit values are always sane, and use symbolic instead
of magic constants. Reviewed by go@

include <signal.h> where signal(3) is used

Coverity CID 2074: Fix memory leak.

Use FFS_MAXNAMLEN instead of MAXNAMLEN.

64 bit inode changes

sprinkle const.

whitespace (pointed out by wiz@)

Kill __P(), ANSIfy and WARNS=2

Use pread()/pwrite().

Pull up revision 1.46 (requested by dbj in ticket #185)

Fix problems related to superblock upgrade issues which may be
experienced by -current users from 2003.

fix range error when swapping postbl for compatibility

terminate preen message from previous with \n

if the user specifies both -b and -p, then just go ahead and update
the primary superblock.

do not upgrade superblock or set FS_FLAGS_UPDATED unless -c 4 option
is provided.
add compatibility for filesystems before FFSv2 integration
these patches are from pr port-macppc/23925 and should also
fix problems discussed in pr kern/21404 and pr kern/21283

fix minor bug in buf cache statistic collecting

Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22308, verified by myself.

use bounded string op

If an alternate superblock is used, update the standard one correctly.

save and restore errno in signal handlers.

Write update some old fields when writing the superblock, similar to
ffs_oldfscompat_write() in the kernel. Use the old totals when
time < old_time (i.e. an old kernel or fsck wrote the filesystem last).
When setting the date back on a new kernel, that works out ok, since
new kernels always update both fields.

Add support for UFS2. UFS2 is an enhanced FFS, adding support for
64 bit block pointers, extended attribute storage, and a few
other things.

This commit does not yet include the code to manipulate the extended
storage (for e.g. ACLs), this will be done later.

Originally written by Kirk McKusick and Network Associates Laboratories for
FreeBSD.

Bump daddr_t to 64 bits. Replace it with int32_t in all places where
it was used on-disk, so that on-disk formats remain the same.
Remove ufs_daddr_t and ufs_lbn_t for the time being.

Add support for the Apple UFS variation on ffs
This is the bulk of PR #17345

The general approach is to use a run time deteriminable value
for DIRBLKSIZ.  Additional allowances are included for using
MAXSYMLINKLEN with FS_42INODEFMT and a shift in the cylinder group
cluster summary count array.  Support is added for managing
the Apple UFS volume label.

If SIGINFO is received, display summary information to stderr.
Based on changes in FreeBSD, via Chuck Cranor <chuck@research.att.com>

Pull up revision 1.32 (requested by lukem):
  Change fs_csp[] from being a fixed size to being an array sized
  as required.  This allows file systems with more than about 15500
  cylinder groups (on 32-bit systems) to be used.

Pull up revisions 1.28-1.30 (requested by lukem):
  Jumbo pullup for fsck_ffs:
   o fix incorrect error message
   o mark initialized globals with ``extern''
   o make reconnect algorithm O(n) instead of O(n^4)
   o remove dead code
   o don't swap cg_clustersum(cg)[0], it's a bitmap
   o ensure rotor values are positive
   o some code restructuring
   o fix byte swapping bug
   o pass5: check alternate superblocks for consistency with in-core master
   o fix usage message

Incorporate fix by iedowse @ FreeBSD to allow disks with large numbers of
cylinder groups to work correctly, with minor modifications by me to work
with our FFS_EI code.  From the FreeBSD commit message:

	The ffs superblock includes a 128-byte region for use by temporary
	in-core pointers to summary information. An array in this region
	(fs_csp) could overflow on filesystems with a very large number of
	cylinder groups (~16000 on i386 with 8k blocks). When this happens,
	other fields in the superblock get corrupted, and fsck refuses to
	check the filesystem.

	Solve this problem by replacing the fs_csp array in 'struct fs'
	with a single pointer, and add padding to keep the length of the
	128-byte region fixed. Update the kernel and userland utilities
	to use just this single pointer.

	With this change, the kernel no longer makes use of the superblock
	fields 'fs_csshift' and 'fs_csmask'. Add a comment to newfs/mkfs.c
	to indicate that these fields must be calculated for compatibility
	with older kernels.

	Reviewed by:    mckusick

- implement -F; treat provided filesystems as images in regular files
- replace "filesystem" with "file system" as appropriate
- grammar fixes

remove redundant declarations

A minor tweak.

Don't swap cg_clustersum(cg)[0].  It doesn't actually exists and it's
actually tail of free block bitmap.

XXX swap_cg() should be shared with newfs.

Pullup sbin string format fixes [is].
See "cvs log" for explicit revision numbers per file, from sommerfeld.

Pull up revision 1.27 (requested by is):
  Format string cleanup.

Format string cleanups by Bill Sommerfeld.

Pull up to last week's -current.

Changes for softdep code.

Fix some merge mistakes.

Bring in Kirk McKusick's FFS softdep code on a branch.

copyback_cg() tried to copy too much if the cylinder group info was smaller
than 8k.  From PR 5404.

use extern int over extern

Add support for non-native byteorder FFS, and converting byteorder.
Also, be a bit more conservative with the clean flag: don't mark the FS
clean when we know there may still be errors (user anserwed 'n' to
a question, or fsck says "you must rerun fsck").

for now, #ifdef out a couple of chunks that were added in the lite2 merge

- don't indiscriminately include <stdlib.h> and <unistd.h> in "fsck.h"
- explicitly pull in <stdio.h>, <stdlib.h> and <unistd.h> in *.c as necessary

resolve conflicts from lite-2 merge.

imported from lite-2

* cleanup for WARNS=1
* deprecate register
* cleanup manpage
* remove unused docheck() func
* prefix hex numbers with '0x'
* getopt returns -1 not EOF

- util.h -> fsutil.h

- fixed all printf formats [there were a lot of %l? <-> %? mistakes]
- added missing prototypes, and made local functions static
- removed parallel preening code; this is part of fsck(8)
- use printing utilities from fsck(8)
- Makefile does not make links to fsck and fsck.8
- removed -l maxparallel option. It has no meaning anymore.

check in changes proposed in PR 2006 (approved by J.T.), to rename fsck
to fsck_ffs, so that in the future 'fsck' can be a wrapper than invokes
appropriate filesystem-specific checker programs.  For now, the only
user-visible change is that the names have changed in the manual page
and in error messages; fsck and fsck.8 are now links to fsck_ffs and
fsck_ffs.8, until the rest of the transition is complete.

slightly clean rcs ids, etc.

Set the clean flag if necessary.  If preening, don't check `clean' file
systems.

convert to new RCS Id conventions; reduce my headache

functions which are 'fake-varaargs' should be passed longs, not ints.

more cleanups from Jim Jegers, passed over by me.

Eliminate uses of some obsolete functions.

Import 4.4-Lite version.

Update from 4.4-Lite, with local changes.

Prototype some things.

need <sys/time.h>

if user does ie, "fsck /etc/group", then types ^C to the CONTINUE
prompt do not dump core. fix from <dean@fsa.ca> (who i will stop
hounding about bug fixes for an hour or two)

kill extern'd lseek()

Add RCS identifiers.

changed "Id" to "Header" for rcsids

added rcs ids to all files

initial import of 386bsd-0.1 sources

Initial revision