blob: 30fe36f39f3b9fde44eb50b41637be839bf2e648 [file] [log] [blame]
Theodore Ts'ob7bad612002-08-31 03:00:33 -04001E2fsprogs 1.28 (August 31, 2002)
2================================
3
4Add support for the Hashed-Tree Directory Indexing to e2fsck. Support
5for setting the htree flag is not included yet, although it can be
6manually turned on via the debugfs program.
7
8Clarified e2fsck error message which is printed when it cannot find
9sufficient contiguous block when relcating filesystem metadata.
10
11Added support for building an EVMS plugin module for ext2/3. This
12module is substantially the same as the EVMS module shipping with EVMS
131.1, with one or two bugfixes. E2fsprogs can also build this plugin
14for use with EVMS 1.0 (which did not include the ext2 plugin module),
15if the configure --enable-old-evms flag is given.
16
17Fsck will search through EVMS volumes when trying to resolve
18filesystem specifications such as LABEL=xxx or UUID=xxx.
19
20Added a new utility program, /sbin/findfs, which will return
21filesystem specifications such as LABEL=xxx or UUID=xxx, and prints
22the device name.
23
24Update and clarified various man pages. (addresses Debian Bug #145044,
25#146437, #131350, #151990, #144621, #141938)
26
27If there are no filesystems specified on fsck's command line, fsck now
28treat that as if the -As options were given. Previously it would
29simply do nothing. (Addresses Debian Bug #153102)
30
31Mke2fs no longer treats a failure to be able to clear the MD signature
32at the end of the filesystem as a fatal error. (Addresses Debian Bug
33#155007)
34
35The e2p library functions (which are used by lsattr and chattr) now
36double check to make sure the file is a regular file or directory
37before attempting to use the ext2 ioctls. Some device drivers
38unfortunately respond to the ext2 ioctl's with unknown behaviour.
39(Addresses Debian Bug #152029).
40
41The extended attribute handling has been updated to correspond with
42the latest V2 bestbits ACL code.
43
44Fixed bug in e2fsck which caused it to not clear the dtime field when
45processing truncated inodes on the orphan list. This could cause data
46loss(!) if a filesystem is rebooted before a truncate has been
47committed.
48
49E2fsck now uses red/black trees in pass1b, which removes some O(n**2)
50algorithms. This makes e2fsck much faster in the case of severely
51corrupted filesystems where a large number of blocks are claimed by a
52large number of inodes. (Thanks to the 2.5 IDE device driver for
53inspiring this work.)
54
55Resize2fs has been significantly sped up when shrinking and expanding
56a filesystem by a very small number of blocks (for example, when EVMS
57is converting a partition to be an EVMS legacy volume).
58
59Added a new option to e2fsck, -D, which will optimize or compress all
60of the directories in the filesystem.
61
62E2fsck now catches SIGINT and SIGTERM to make sure it will can
63properly clean up and only exit at safe points. Fsck will pass
64SIGINT/SIGTERM to its child processes, and wait until they have all
65exited before it exits.
66
67The uuid parsing code in the uuid library now properly complains when
68an illegally formated uuid is presented to it. (Addresses Debian bug
69#152891)
70
71Restrict use of the 2.4 setrlimit ABI f*ckup to kernels between 2.4.10
72and 2.4.17, since the workaround can cause problems when using a 2.4
73kernel with an old version of glibc built with the 2.2 headers.
74
75Fixed a bug in mke2fs where it wasn't properly clearing the initial
76superblock used by other filesystems. (Addresses Debian bug #147256.)
77
78Added support for the synchronous directory feature written by Andrew
79Morton.
80
81The debugfs program can delete directories using the rmdir command.
82
83Add support for 8k and 16k filesystems (for systems with page sizes
84that are greater or equal to 8k or 16k, respectively). Note that
85these filesystems can not be mounted on x86 systems, or other systems
86with only 4k page sizes, due to limitations in the current Linux VM
87code.
88
89Resize2fs requires that the filesystem state be valid and have no
90errors; otherwise, e2fsck -f must be run first. (Previously it simply
91required that the last fsck time be greater than the last mount time.)
92
93Configure now defaults the man pages directory to /usr/share/man on
94Linux systems.
95
96E2fsck now offers to truncate inodes which contain too many blocks (so
97that i_blocks would overflow. Also fixed handling of large sparse
98files.
99
100E2fsck now more completely checks for symlink validity, including
101requiring NULL termination and length checks.
102
103E2fsck will offer to try forcing a disk write to remap a bad block
104after finding a read error when reading a filesystem metadata block.
105
106Fixed a bug in debugfs which caused the -b and -s options to crash
107debugfs, as well as breaking the testb, setb, and clearb functions.
108
109Added a bmap command to debugfs which calculates the logical to
110physical block mapping for a particular inode.
111
112Fixed a bug in code which checked to see if a device was mounted which
113sometimes (rarely) failed in the case of a plain file.
114
115Fixed a bug in resize2fs where when it reported an error, it would
116print a message erroneously indicating that the filesystem had been
117resized before it aborted.
118
119When resizing a plain file which is smaller than the requested size,
120resize2fs will attempt to extended the file so that programs like
121e2fsck will not complain that the file is too small.
122
123Resize2fs will print the actual new size of the filesystem when it is
124finished resizing.
125
126Fixed a bug in debugfs where "ls -l" would report incorrectl file type
127information on big-endian systems.
128
129
130Programmer's notes:
131-------------------
132
133Fixed collisions with C++ reserved words.
134
135Added portability fixes for building e2fsprogs on the HURD and AIX.
136
137Added the ext2ed program for creation of test cases. (ext2ed has many
138limitations and bugs which make it unsuitable for production use.)
139
140The ext2fs_read_dir_block2 and ext2fs_write_dir_block now take a new
141flag, EXT2_DIRBLOCK_V2_STRUCT, which will will reverse when the
142name_len field is byte swampped on big-endian machines, since in the
143V2 structure, name_len is a char field which is doesn't need to be
144byte swapped --- except if an old-style kernel had byte-swapped the
145name_len field as part of the V1 structure.
146
147
Theodore Ts'oa8e77242002-03-08 03:12:14 -0500148E2fsprogs 1.27 (March 8, 2002)
149==============================
150
151The warning messages for mke2fs now go to standard error.
152
153Fixed to make sure "make check" runs all of the test programs with
154LD_LIBRARY_PATH set, so that we test the libraries in the build tree.
155
156The mke2fs program checks the boot sector for the BSD disk label, and
157avoids erasing it if it is there.
158
159Fixed a bug in e2fsck which caused it to core dump if the journal
160inode was missing when it was supposed to be there.
161
162E2fsck now prints ranges in pass 5 when printing deltas for the block
163and inode bitmaps.
Theodore Ts'oafa14ba2002-03-05 03:31:06 -0500164
165Debugfs's "ls -l" command now will print out the file type information
166in the directory entry.
167
168Create man pages and hard links for fsck.ext3 and mkfs.ext3. If
169mke2fs is invoked as mkfs.ext3, create the filesystem with a journal.
170
171Debugfs can now examine the experimental directory indexing
172information.
173
Theodore Ts'oa471ac52002-03-05 03:37:06 -0500174Fixed bug in debugfs which caused it to core dump if modify_inode is
175called without an open filesystem.
176
177The debugfs lsdel command now runs its output through a pager first.
178
Theodore Ts'oafa14ba2002-03-05 03:31:06 -0500179When installing manual pages, remove the compressed manual pages first.
180
181Synchronized with Debian's packaging information for e2fsprogs-1.26-1.
182
183Fix the 2.4 resource limitation workaround introduced in 1.26 which
184actually broke things on mips32, sparc32, and Alpha platforms.
185
Theodore Ts'oa471ac52002-03-05 03:37:06 -0500186Updated the I18N code so that calls to setlocate(LC_CTYPE, 0) are made
187(which is required by the newer libintl libraries).
188
Theodore Ts'oafa14ba2002-03-05 03:31:06 -0500189Programmer's notes:
190-------------------
191
Theodore Ts'oa8e77242002-03-08 03:12:14 -0500192Fixed various gcc -Wall complaints.
193
Theodore Ts'oafa14ba2002-03-05 03:31:06 -0500194Fixed a few memory leaks in the e2fsck journaling code, and in the
195ismounted code checking for a swap device.
196
197Add new inode I/O abstraction interface which exports an inode as
198an I/O object.
199
200Exported ext2_file_flush as a public interface.
201
202In ext2_file_write, we now mark the buffer void * argument as a const, since ext2_file_write doesn't modify the buffer.
203
204Lots of small random portability fixes to make e2fsprogs build under
205AIX --- even without the 5L compatibility toolkit, and even using the
206uber-crippled AIX native C compiler.
207
208
Theodore Ts'o06987392002-02-03 01:36:54 -0500209E2fsprogs 1.26 (February 3, 2002)
Theodore Ts'oa5f3f5c2002-02-03 01:00:22 -0500210=================================
Theodore Ts'ocd1a79a2001-11-27 03:36:42 -0500211
Theodore Ts'o446314f2001-12-24 15:22:27 -0500212Dumpe2fs will keep going now if the bad block inode can't be read.
213(Previously it stopped with a fatal error.)
214
215E2fsck will now give an opportunity to run the journal even if the
216recovery flag is not set. This is the default behaviour if e2fsck is
217using a backup superblock, since the needs_recovery flag will never be
218set in the backup superblock copies.
219
220E2fsck now automatically finds the backup superblock/group descriptors
221even when the primary superblock is completely destroyed for 2k and 4k
222filesystems. (Previously it just guessed/assumed that we were dealing
223with a 1k filesystem in that case, and users had to manually specify
224the backup superblock number.)
225
226Fixed a bug in e2fsck where it dereferences a null pointer when there
227is a problem opening a filesystem in preen mode.
228
229E2fsck now handles external journals correctly; previously it trashed
230the external journal device if the journal needed to be replayed.
231
232Work around ulimit incompatibility problem caused by recent 2.4
233kernels; the unix IO module will automatically try to set any resource
234limits to be infinite on startup.
235
Theodore Ts'ocd1a79a2001-11-27 03:36:42 -0500236Fixed a bug in e2fsck where it wasn't allocating a new block or inode
237bitmap if it wasn't present and the blocksize was 2k or 4k.
238(Addresses Debian Bug #116975)
239
240E2fsck will check and fix botched ext3 V1 to V2 superblock updates by
241clearing the new V2 fields if they do not make sense or if the ext3
242superblock is version 1 superblock.
243
244E2fsck will automatically relocate the ext3 journal from a visible
245file (i.e., /.journal) to an hidden inode if the filesystem has been
246opened read/write. This allows the users to add a journal while the
247filesystem is mounted, but the next time the system is rebooted, the
248journal file will disappear. This avoids problems with backups,
249stupid operators with superuser bits, etc.
250
251Fix a bug in fsck where it would not support a filesystem type of
252"auto" if the device was specified in terms of LABEL=xxx or UUID=xxx.
253
Theodore Ts'oa5f3f5c2002-02-03 01:00:22 -0500254Fsck now supports fstab entries of the form "ext3,ext2". It will also
255automatically identify reiserfs filesystems.
256
257The number of processes spawned by fsck can now be limited using the
258FSCK_MAX_INST environment variable.
259
Theodore Ts'o446314f2001-12-24 15:22:27 -0500260Fsck now searchs the LVM proc hierarchy to find logical volumes which
261should be searched for UUID and label information.
262
Theodore Ts'ocd1a79a2001-11-27 03:36:42 -0500263Work around a bug in 2.4.10+ kernels by trying to unset the filesize
264limit if at all possible, when opening a block device. (The filesize
265limit shouldn't be applied against writes to a block device.)
266
Theodore Ts'o446314f2001-12-24 15:22:27 -0500267In mke2fs and e2fsck, specifying the -c option twice will now do
268a read/write test on the disk. Update the man pages to encourage
269using the -c option, and to discouraging running badblocks separately,
270since users tend to forget to set the blocksize when running
271badblocks.
272
Theodore Ts'ocd1a79a2001-11-27 03:36:42 -0500273Mke2fs now automatically clears the immutable attribute on a
274pre-existing .journal file left over from a previous failed attempt to
275add a journal to an alreadyy-mounted filesystem.
276
277Fixed mke2fs's exit codes to consistently indicate when the mke2fs
278operation failed.
279
Theodore Ts'o446314f2001-12-24 15:22:27 -0500280Mke2fs now creates the lost+found directory with permissions of 0700,
281so that files that had previously lived in protected directory are
282safe if they get dropped in lost+found and the system administrator
283doesn't deal with immediately. (Addresses Debian #bug 118443)
284
285Mke2fs and e2fsck (and all programs that use the
286ext2fs_check_if_mounted function) will now properly identify that a
287device is mounted, even in cases where devfs has confused things with
288multiple devices names with the same identity, or if a dim-witted
289system administrator has done something stupid like creating device
290file aliases in their home directory. Also now checks for swap devices
291by using /proc/swaps. (Addresses Debian bug #106622)
292
Theodore Ts'oa5f3f5c2002-02-03 01:00:22 -0500293Added a new option (-T) to tune2fs which sets the time a filesystem
294was last checked.
295
Theodore Ts'ocd1a79a2001-11-27 03:36:42 -0500296Speed up e2image when creating sparse raw image files by optimizing
297away excess lseek() system calls.
298
299Fix support of large (> 2GB) files when used as a filesystem in
300mke2fs, tune2fs, debugfs, and findsuper.
301
302Debugfs's stat and icheck commands now properly deals with large (>
3032GB) files.
304
305Debugfs's set_super_value command now prints out the list of valid
306superblock fields which can be set using the command.
307
Theodore Ts'o446314f2001-12-24 15:22:27 -0500308Debugfs's rm and kill_file command now updates the superblock free block
309and inode counts, thus keeping the filesystem consistent.
310
Theodore Ts'oa5f3f5c2002-02-03 01:00:22 -0500311Debugfs's lsdel command now takes an optional argument which allows
312the user to only see the most recently deleted files.
313
314A new command (undel) was added to debugfs which automates
315undeleting a deleted inode and linking it back to a directory.
316
317Debugfs's ls command now takes a new option, -d, which lists
318deleted directory entries.
319
320Debugfs's testb, freeb, setb, and find_free_block commands now take an
321optional count argument.
322
Theodore Ts'ocd1a79a2001-11-27 03:36:42 -0500323Add support for a new ext2 file attribute, EXT2_NOTAIL_FL, which will
324be used to signal that a particular inode should not be eligible for
325tail-merging --- this is needed for programs like LILO.
326
327The findsuper (an unreleased, uninstalled utility program) has been
328improved to add extra validity checks and to add a progress meter.
329(It is still an unsupported program; the officially supported way to
330recover from a trashed partition table is to use gpart; findsuper is
331for wizards only. :-)
332
333Debugfs was fixed to compile with "configure --disable-swapfs".
334
Theodore Ts'o446314f2001-12-24 15:22:27 -0500335Cleaned up various manual pages. (Addresses Debian bug #119624, #120171)
Theodore Ts'ocd1a79a2001-11-27 03:36:42 -0500336
337Added new translation file for Turkish.
338
Theodore Ts'o446314f2001-12-24 15:22:27 -0500339Programmer's notes:
340-------------------
341
342Fix general gcc -Wall complaints.
343
344E2fsprogs (mostly) works with the dietlibc.
345
346The programming texinfo file has been expanded to include description
347of additional libext2fs functions. (Still not compeltely done, but a
348lot of the more important functions have been documented.)
349
350Added a umask structure to struct_ext2_filsys, which currently only
351modifies the behaviour of ext2fs_mkdir(), but if we add any file
352creation functions to libext2fs, we should also make sure they respect
353the umask setting.
354
Theodore Ts'oa5f3f5c2002-02-03 01:00:22 -0500355The build-rpm script was fixed to be a bit more safe.
356
357The tests' Makefile now has a way of automating test case creation
358for e2fsck, using "make testnew".
359
360Created a new function, ext2fs_dir_iterate2 which passes more
361information to the callback function (identical to the one used by
362ext2fs_dblist_dir_iterate). The directory iterator functions take a
363new flag, DIRENT_FLAG_INCLUDE_REMOVED, which will return deleted
364directory entries. If the directory entry is deleted, the callback
365function will be called with the entry paraemter set to
366DIRENT_DELETED_FILE.
367
368Added new functions, ext2fs_inode_alloc_stats and
369ext2fs_block_alloc_stats, which takes updates block/inode allocation
370statistics in the bitmaps, block group descriptors, and superblock
371when inodes or blocks are allocated or deallocated.
372
Theodore Ts'ocd1a79a2001-11-27 03:36:42 -0500373
Theodore Ts'od08a4ce2001-09-20 09:47:42 -0400374E2fsprogs 1.25 (September 20, 2001)
375===================================
376
377This is primarily a bug-fix release; no new features were added, but
378there are a number of embarassing bug fixes and cleanups applied.
379
380Fix a bug mke2fs which causes stack garbage to be written to disk when
381zapping disk sectors. (This bug could cause mke2fs to core dump for
382some kernels, I suspect with security enhancement patches.)
383
384Remove unneeded #include of <linux/config.h> which was breaking
385building e2fsprogs on the Hurd. (Addresses Debian bug #112414.)
386
387Updated tune2fs man page to reflect the fact that adding or removing a
388journal doesn't require running e2fsck.
389
390Remove use of AC_REQUIRE from autoconf which had been used to prevent
391AC_CANONICAL_HOST from being called twice; unfortunately this causes
392recent autoconf to bomb out since they don't allow AC_REQUIRE to be
393used outside of autoconf macros. Fortunately, it doesn't seem to be
394necessary any more, anyway.
395
396E2fsck will now not fall back to an alternate superblock if the user
397specifies the superblock location explicitly on the command-line.
398This allows easier recovery from a situation where the primary
399superblock and block groups are slightly corrupted, but the backup
400superblocks are completely broken.
401
402Fix problem which caused compile_et and mk_cmds to blow up if
403e2fsprogs was in a directory with a pathname that contained spaces.
404
405We are now more paranoid about checking the entry in /etc/mtab to make
406sure the filesystem is really mounted, since some broken distributions
407(read: Slackware) don't initialize /etc/mtab before checking non-root
408filesystems. (Slackware also doesn't check the root filesystem
409separately, and reboot if the root filesystem had changes applied to
410it, which is dangerous and broken, but there's nothing I can do about
411that.)
412
413Make UUID library C++ friendly by adding appropriate extern "C"
414declarations and using const in the function declarations.
415
416Fix up the com_err texinfo file so that it can product a valid info
417file (previously, it could only be used to generate paper
418documentation using texinfo.tex).
419
420
Theodore Ts'ofb707752001-09-04 15:00:37 -0400421E2fsprogs 1.24a (September 2, 2001)
422===================================
423
424Fix brown-paper bug in mke2fs which caused it to segfault when
425printing the version string.
426
427
Theodore Ts'o109624a2001-08-31 00:59:55 -0400428E2fsprogs 1.24 (August 30, 2001)
429================================
430
431Revert the BLKGETSIZE64 support, since for some distributions, this
432ioctl has been used by an unofficial kernel patch to update the last
433sector on the disk, and this was causing disk corruption problems as a
434result.
435
436Mke2fs is now more careful about zapping swap space signatures and
437other filesystem/raid superblock magic values so that programs like
438mount who try to use hueristics to determine the filesystem type of a
439partition are less likely to be confused.
440
441E2fsck will no longer complain if the the mode of EXT2_RESIZE_INO is a
442regular file (since Andreas Dilger's on-line resizing tools will set
443its mode bits).
444
445Fixed some minor texinfo, man pages nits for spelling errors,
446texinfo warnings, etc. (Addresses Debian bug #110621.)
447
448E2fsprogs program no longer print the filesystem version number
449(i.e. 0.5b), since it only confuses people and doesn't serve any real
450purpose.
451
452E2fsck will once again compile under libc5, since it will supply its
453own version of strnlen if necesssary.
454
455mke2fs and tune2fs will allow the use of UUID= or LABEL= specifiers
456when specifying the external journal device. tune2fs will also search
457devices looking for the externla journal debice when removing.
458
459E2fsprogs 1.23 (August 15, 2001)
460================================
Theodore Ts'od1ef5c32001-07-20 12:35:11 -0400461
462Add initial support for extended attributes (EA); e2fsck will
Theodore Ts'o6c0a0412001-07-23 00:23:52 -0400463correctly handle a filesystem with EA's and check the EA blocks for
464corruptions.
465
Theodore Ts'od494bba2001-08-09 06:14:42 -0400466E2fsck's symlink sanity checking has been cleaned up. It now checks
467the i_size value of fast symlinks, and checks for immutable flags
468being set of symlinks, etc.
469
Theodore Ts'oc4ac9e12001-08-15 21:02:23 -0400470E2fsck now offers to clear inodes which are special files that have a
471non-zero i_blocks or i_size field. (The i_size field check was in the
472previous version of the code, but due to a bug it didn't offer to
473clear the inode unless i_size and i_size_high were both non-zero.)
474
Theodore Ts'od494bba2001-08-09 06:14:42 -0400475E2image can now create "raw" image files, which only contain the
476filesystem metadata placed in a spare file so that e2fsck, dumpe2fs,
477debugfs, etc., can be run directly on the raw image file.
Theodore Ts'obf16d102001-07-27 22:20:06 -0400478
479Add support for the 64-bit block device patches.
480
481Fixed bugs in creating external journals with a 1k blocksize.
482
Theodore Ts'od494bba2001-08-09 06:14:42 -0400483Add initial support for external journals (so long as the external
484journal only supports a single filesystem) in e2fsck.
485
486Remove requirement for needing to run fsck on a filesystem after
487removing a journal (either internal or external).
488
Theodore Ts'obf16d102001-07-27 22:20:06 -0400489The man pages now document how to create and manage external journals.
Theodore Ts'od1ef5c32001-07-20 12:35:11 -0400490
491Speed up the check of an ext3 filesystems by avoiding a needless flush
492of all of the superblock and block group descriptors.
493
Theodore Ts'od494bba2001-08-09 06:14:42 -0400494Speed up creating an internal journal using tune2fs in the case where
495the filesystem has a lot blocks already allocated.
496
Theodore Ts'oc4ac9e12001-08-15 21:02:23 -0400497Tune2fs has been fixed to make sure that only error messages go to
498stderr, and normal message go to stdout. (Addresses Debian bug #108555)
499
Theodore Ts'od494bba2001-08-09 06:14:42 -0400500Fixed a minor bug in mke2fs; if -O none is passed to mke2fs, it will
Theodore Ts'oc4ac9e12001-08-15 21:02:23 -0400501now not set the sparse_super feature. (Addresses Debian bug #108165)
Theodore Ts'od494bba2001-08-09 06:14:42 -0400502
Theodore Ts'od1ef5c32001-07-20 12:35:11 -0400503Add support in fsck for the filesystem type "auto".
504
Theodore Ts'oc4ac9e12001-08-15 21:02:23 -0400505Fsck -A will not try to interpret device names for filesystems which
506have a pass number is 0. (Addresses Debian bug #106696).
507
508Fsck prints a warning message if now valid filesystems are passed to
509it. (Addresses Debian Bug #107458.)
510
Theodore Ts'o9249d982001-07-20 18:14:10 -0400511E2fsck now gives an explicit warning if there filesystem still has
512errors at the end of the run. (Addresses Debian bug #104502)
513
Theodore Ts'od494bba2001-08-09 06:14:42 -0400514E2fsck will set the EXT2_ERROR_FS flag if the journal superblock
Theodore Ts'oc4ac9e12001-08-15 21:02:23 -0400515reflects an error. E2fsck will also not run the orphan list if the
516filesystem contains errors, since the orphan list might be corrupted.
Theodore Ts'od494bba2001-08-09 06:14:42 -0400517
518E2fsck now prints the number of large files when given the -v option.
519
520Fixed minor memory leaks in e2fsck.
Theodore Ts'obf16d102001-07-27 22:20:06 -0400521
Theodore Ts'oc4ac9e12001-08-15 21:02:23 -0400522Some minor man pages updates. (Addresses Debian bug #30833, #108174)
Theodore Ts'o9249d982001-07-20 18:14:10 -0400523
Theodore Ts'od1ef5c32001-07-20 12:35:11 -0400524
Theodore Ts'o19d6b542001-06-23 00:13:09 -0400525E2fsprogs 1.22 (June 22, 2001)
526==============================
527
528Fixed a bug in e2fsck's handling of orphan inodes which are special
529files (i.e., block/character device files, named FIFO's, etc.).
530
531Fixed a bug accidentally introduced in e2fsprogs 1.21 which caused
532tune2fs to fail at adding a journal to a mounted filesystem.
533
534Fixed a few big-endian bugs in e2fsprogs
535 * The directory block functions were accidentally reporting
536 some directories as corrupted when they weren't.
537 * If e2fsprogs is compiled --disable-swapfs, the C language
538 equivalents weren't being included for big-endian platforms.
539 (Fixes Debian bug #101686).
540
541Fixed a Hurd compilation problem. (Addresses Debian bug #101361)
542
543Programmer's notes:
544-------------------
545
546Use platform independent method of defining the BLKFLSBUF and FDFLUSH
547ioctls, and allow them to be defined for non-i386 platforms.
548
549The uuid.h header file is now protected against multiple inclusions.
550
551E2fsprogs is now being developed using BitKeeper. Changed the test
552scripts to deal with BK's stripping CR characgters from text files,
553and changed the top-level Makefile.in to avoid including BitKeeper
554files when generating the source tarball.
555
556
Theodore Ts'ob90b8262001-06-15 22:54:34 +0000557E2fsprogs 1.21 (June 15, 2001)
558==============================
Theodore Ts'o767de092001-06-02 01:20:18 +0000559
Theodore Ts'ob90b8262001-06-15 22:54:34 +0000560Added new configure flags which allow a subset e2fsprogs to be built;
561this is most useful for boot floopies, since the resulting shared
562libraries and programs are slimmed down by removing features that
563aren't necessary for a boot floppy. The new flags that were added
564are: --disable-swapfs, which removes support for byte swapping old
565legacy PPC/68k filesystems, --disable-debugfs, which removes support
566for debugfs from the libext2fs library, --disable-imager, which
567removes support for the e2image program, and --disable-resizer, which
568removes support for resize2fs.
569
570E2fsck now prints the number of mounts or days elapsed since the last
571check when e2fsck is forced to check an otherwise clean filesystem.
572
573Tune2fs now prints an informative message about how often a filesystem
574will be checked when adding a journal to the filesystem, to remind the
575user that he/she may want to adjust those parameters using tune2fs
576-c/-i.
577
578Worked around hurd brain-damage which causes e2fsck to sometimes
579believe a filesystem is the root filesystem based on device numbers
580(since Hurd doesn't have dev_t's, which is arguably a POSIX.1
581violation).
582
583Fixed a bug introduced in 1.20 which caused e2fsck to abort with an
584erroneous error with the -F option was specified.
585
586Fixed a ext3 recovery bug in the revoke handling; synchronized with
Theodore Ts'oc05b5522001-06-08 12:03:36 +0000587ext3 0.7a.
588
Theodore Ts'o767de092001-06-02 01:20:18 +0000589Fixed two bugs in e2fsck's handling of dup block handling, dealing
590with relatively uncommon edge cases: a directory with an indirect
591block which is claimed by another file, and when the last inode in the
592filesystem has blocks claimed by another file.
593
Theodore Ts'o5a9c0362001-06-02 04:55:57 +0000594E2fsck now checks to see if the i_size field of a fast symlink is too
595big, and offers to clear the symlink if so.
596
597E2fsck now checks to see if i_size_high of special files is non-zero,
598and offers to clear i_size_high.
599
Theodore Ts'o767de092001-06-02 01:20:18 +0000600Fix e2fsck's handling of incompatible journal flags so that the user
601has chance to abort, and then has the option to clear out the journal
Theodore Ts'oe3338452001-06-14 07:11:33 +0000602entirely. (Addresses Debian bug #98527.)
Theodore Ts'o767de092001-06-02 01:20:18 +0000603
Theodore Ts'ob90b8262001-06-15 22:54:34 +0000604Fixed a bug in fsck which could cause it to core dump if a mix of
605standard and non-standard device names are used in /etc/fstab.
606(Debian bug #100559)
607
Theodore Ts'oc05b5522001-06-08 12:03:36 +0000608Fixed a bug in debugfs which caused read errors when copying a file to
609not be noticed.
610
Theodore Ts'ob90b8262001-06-15 22:54:34 +0000611The debugfs set_super_value command can now modify the s_lastcheck field.
612
Theodore Ts'oc05b5522001-06-08 12:03:36 +0000613Fixed a bug in lsattr and chattr which was accidentally introduced in
6141.20 to support > 2GB files; both lsattr and chattr wasn't reading
615directories correctly because the change modified the layout of struct
616dirent to be incompatible with the libe2p shared library.
617
Theodore Ts'ob90b8262001-06-15 22:54:34 +0000618Cleaned up the mke2fs manual page and included a discussion about why
619it's good to periodically check the filesystem even when journaling is
620enabled.
621
Theodore Ts'o767de092001-06-02 01:20:18 +0000622Programmer's notes:
623-------------------
624
625Fix general gcc -Wall complaints.
626
627The types needed by the ext2 header files are now provided by
628lib/ext2fs/ext2_types.h, instead of include/asm/types.h.
629
Theodore Ts'oc05b5522001-06-08 12:03:36 +0000630Integers are now preferred to longs when trying to find a 32-bit type
Theodore Ts'ob90b8262001-06-15 22:54:34 +0000631in ext2_types.h. Also, if linux/types.h has already been defined,
632don't try to redefine the types.
Theodore Ts'oc05b5522001-06-08 12:03:36 +0000633
Theodore Ts'o767de092001-06-02 01:20:18 +0000634Fixed make depend script so that it automatically corrects the
635pathname cleanups performed by make -M, so I don't have to fix them up
636by hand.
637
638Fixed the d_loaddump test case to be more robust, and not depend on
639bash'isms.
640
641Removed debugfs's dependence on pread(), which was accidentally
642intrudced in e2fsprogs 1.20
643
Theodore Ts'oc05b5522001-06-08 12:03:36 +0000644Fixed a performance bug in the libext2fs's icount routine; the size
645estimate of the icount array was incorrectly being calculated.
646
Theodore Ts'ob90b8262001-06-15 22:54:34 +0000647Removed use of the badblocks compatibility functions in the e2fsprogs
648programs.
649
650Added paranoia code which protects against strange cases where /etc
651isn't on the root filesystem, or if /etc/mtab doesn't exist.
652
653The header file ext2_types.h is now installed.
654
655Autoconf is used to determine when we are on big-endian machines,
656instead of doing run-time tests, to save a few bytes of code.
657
658The ext2fs_mark_generic_bitmap and ext2fs_unmark_generic_bitmap
659functions are no longer inline functions, which saves space and
660doesn't really cost any real performance.
661
662The ext2fs library no longer depends on the e2p library. (What need
663there was of it --- namely, fsetflags, was coded in-line).
664
665Fixed the makefile so that lib/ext2fs/ext2_types.h is generated even
666when the user is stupid and tries compiling the package using "make
667install" as root.
668
669Miscellaneous code cleanups:
670 * Added missing files from Makefile.in's SRCS file, so that
671 their dependencies would be properly calculated.
672 * Removed redundant code
673 * Fixed comments in code
674 * Removed no-longer unneeded argsused #pragma.
Theodore Ts'oc05b5522001-06-08 12:03:36 +0000675
Theodore Ts'o767de092001-06-02 01:20:18 +0000676
Theodore Ts'o5a009bb2001-05-21 05:27:45 +0000677E2fsprogs 1.20 (May 20, 2001)
Theodore Ts'o31d1d0c2001-05-11 05:15:06 +0000678=============================
Theodore Ts'o5570a652000-08-21 01:23:39 +0000679
Theodore Ts'o31d1d0c2001-05-11 05:15:06 +0000680Add support for replaying the ext3 journal purely in user mode,
681including handling the orphaned inode list. Used code contributed by
682Andreas Dilger, with bug fixes and the orphaned inode handling done
683by Theodore Ts'o.
684
685The mke2fs and tune2fs programs can create or modify a filesystem to
686include an ext3 journal. Tune2fs also can be used to remove an ext3
687journal from a filesystem.
Theodore Ts'o5570a652000-08-21 01:23:39 +0000688
689E2fsck will now check for the existence of a linked list of orphan
690inodes in the superblock, and clear those inodes before starting the
691rest of the filesystem check (but after the journal playback).
692
Theodore Ts'o31d1d0c2001-05-11 05:15:06 +0000693E2fsck now validates the file descriptor passed to the -C option,
694which saves against the completion bar getting written to an
695unexpected location, such as the disk being checked. (Debian
696bug/wishlist #55220)
697
698E2fsck will now bump the filesystem revision number from zero to one
699if any of the compatibility bits are set.
700
701Fixed a bug where a badly corrupted directory on a big endian system
702could cause e2fsck to die with a bus error. The
703ext2fs_read_dir_block() and ext2fs_process_dir_block() functions in
704the ext2 library now does alignment sanity checks on the rec_len field
705of the directory entry before using it.
706
707The ext2 library has been enhanced to make tune2fs safe to run on
708mounted filesystems. (Users could usually get away with using tune2fs
709on mounted filesystems before, but with the advent of ext3 and
710journaling, it became important to make tune2fs was *really* safe for
711use even when the filesystem being modified is mounted.) E2label is
712now implemented by tune2fs using an argv[0] dispatch, so that e2label
713is also now safe for use on mounted filesystems.
714
715Added a new program, e2image, which creates a backup of critical ext2
716filesystem data structures. The generated image file can be examined
717using dumpe2fs and debugfs. In the future, e2fsck will be able to use
718the image file to help recover very badly damaged filesystems.
719
720Fixed a number of LFS bugs in e2fsck; very, very large (> 2**42) files
721no longer cause e2fsck to bomb out. Also treat files > 2GB as being
722large file when deciding whether or not the filesystem has large files.
723
724Fixed lsattr and chattr so that they work correctly on large files.
725(Fixes Debian bug #72690.)
726
727Removed limitation in get_device_size() which imposed a one terrabyte
728filesystem limitation. (Most 2.2 kernels still have a signed int
729problem which cause 1 TB block device limitation. Fortunately, the
730kernel patches to fix this are much easier than fixing the 2TB
731limitation in the kernel. :-)
732
733A max_mount_count of zero is now treated as if no mount count were
734set. (Previously, no mount count was indicated by using -1, and a
735mount count of zero caused e2fsck to always be run.)
736
Theodore Ts'o77648562001-05-14 13:04:44 +0000737Mke2fs supports two new filesystem types largefile and largefile4.
Theodore Ts'o31d1d0c2001-05-11 05:15:06 +0000738
739Mke2fs now adds some randomness in s_max_mount_count so that multiple
740filesystems won't be all checked at the same time under normal
741operations.
742
Theodore Ts'o5570a652000-08-21 01:23:39 +0000743Fixed bug in the progress bar printing code which could cause e2fsck
744to core dump on an illegal filesystem.
745
Theodore Ts'o31d1d0c2001-05-11 05:15:06 +0000746Fixed bug in fsck which could allow more than one instance of e2fsck
747to be printing a progress bar. (Debian bug #65267)
748
Theodore Ts'o5570a652000-08-21 01:23:39 +0000749Fsck using a UUID or a LABEL specifier will work even if devfs is
750compiled into the kernel and not mounted. If the pathnames in
751/proc/partitions are incorrect, fsck will search /dev for the correct
752device (using the new ext2fs_find_block_device library function).
753Fsck now also checks the RAID devices first so that they are properly
Theodore Ts'o31d1d0c2001-05-11 05:15:06 +0000754found when they are in use. Support has also been added to support
755additional IDE disks and the DAC 960 device names. (Debian bug #94159)
756
757Fixed a bug in fsck which caused it not deal properly with 16
758byte long filesystem labels.
Theodore Ts'o5570a652000-08-21 01:23:39 +0000759
Theodore Ts'o5a009bb2001-05-21 05:27:45 +0000760Fsck's -t option has been made a lot more flexible. The semantics for
761what happens if a comma-separated list to fsck has been regularized,
762and it is now possible to filter what filesystems will get checked
763based what is in the filesystem's fstab entry's option field. (Debian
764bug #89483.)
765
Theodore Ts'o5570a652000-08-21 01:23:39 +0000766The dumpe2fs program can now print out the group description
767information in hex, and also prints the location of the superblock and
768block group descriptor for those block groups that have them.
769
770Mke2fs now clears the ext2 superblock before it starts creating a
771filesystem, so that the superblock magic number is only written if the
772filesystem creation process successfully completes.
773
774The debugfs program's stat command now pretty-prints the blocks used
775by an inode so that it's more compact and informative.
776
777The debugfs stats command now uses the same libe2p code (which is used
778by dumpe2fs) to print the superblock header information. This is more
779complete, and it avoids a bit of code duplication.
780
781Added a new debugfs command, set_super_value (ssv) which allows the
782user to set arbitrary superblock fields.
783
Theodore Ts'o31d1d0c2001-05-11 05:15:06 +0000784Debugfs was extended to support inode numbers in hex (by prefixing
785them with 0x), and so that modify_inode can set the inode generation
786number. Also, there is now a new function command called logdump
787which will dump an ext3 journal.
788
789Fixed a bug in debugfs so that quitting out of the pager doesn't kill
790debugfs.
791
792Debugfs's dump command now stops immediately upon reporting a disk
793read error. (Fixed a bug in ext2fs_file_read library routine which
794caused debugfs not to stop.) (Debian bug #79163)
795
796On systems with /proc/mounts (mainly Linux systems), /proc/mounts is
797checked before /etc/mtab is used, since /proc/mounts is more likely to
798be accurate.
799
800Added portability fixes for Solaris and Linux/ia64.
801
802Various manual pages were clarified and cleaned up. (Fixed debian
803bugs #63442, #67446, and #87216)
804
Theodore Ts'o5570a652000-08-21 01:23:39 +0000805
806Programmer's notes:
807-------------------
808
809The e2fsck message printer now supports %Iu and %Ig, which will print
810out the inode's user and group owners, respectively.
811
Theodore Ts'o31d1d0c2001-05-11 05:15:06 +0000812E2fsprogs now includes its own version of include/linux/ext2_fs.h, so
813that no longer dependent on the system having the correct version of
814the kernel header files.
815
Theodore Ts'o5570a652000-08-21 01:23:39 +0000816Added a new function to libext2, ext2fs_find_block_device(), which
817searches the system (i.e., /dev, /devfs, /devices) for a pathname to a
818device given its device number.
819
Theodore Ts'o31d1d0c2001-05-11 05:15:06 +0000820Added a new function to libext2, ext2fs_sync_device, which centralizes
821all of the places which might try to use the BLKFLSBUF or FDFLUSH
822ioctls (and usually failing to define them since the system header
823files don't usually do this for us, and we're trying to avoid usage of
824kernel include files now).
825
Theodore Ts'o5570a652000-08-21 01:23:39 +0000826Added new utility programs in tests/progs: random_exercise and
827hold_inode. They aren't built by default; they're useful for
828exercising ext3 filesystem code.
829
Theodore Ts'o31d1d0c2001-05-11 05:15:06 +0000830Added a new ext2 filesystem flag, EXT2_FLAG_SUPER_ONLY, which causes
831the filesystem close functions to only update the superblock, and to
832not touch the block group descriptors. Needed by tune2fs when
833modifying a mounted filesystem.
834
835Got rid of struct ext2fs_sb and replaced it with the standard struct
836ext2_super_block from include/linux/ext2_fs.h. Note: this may break
837source (but not binary) compatibility of some users of the ext2
838library. Those applications should just simply do a global search and
Theodore Ts'o7d614e32001-06-13 23:49:05 +0000839replace of struct ext2fs_sb with struct ext2_super_block, and include
840the new header file <ext2fs/ext2_fs.h> which defines it.
Theodore Ts'o31d1d0c2001-05-11 05:15:06 +0000841
842The ino_t type has been renamed ext2_ino_t to protect applications
843that attempt to compile -D_FILE_OFFSET_BITS=64, since this
844inexplicably changes ino_t(!?). So we use ext2_ino_t to avoid an
845unexpected ABI change.
846
847The Makefiles have been reworked so that "make check" can be run from
848the top-level Makefile.
849
850Fix general gcc -Wall complaints and removed dead code.
851
852Remove use of NOARGS, because we assume everyone does ANSI C these
853days.
854
855Added build-rpm script from sct.
856
857New functions ext2fs_image_{inode,super,bitmap}_{read,write} added
858to support e2image.
859
860New function ext2fs_flush_icache which must be called if the
861application program modifies the inode table blocks without going
862through ext2fs_write_inode() interface.
863
864New ext2fs_check_mount_point() function, which will return the mount
865point of a device if mounted.
866
867The io_channel abstraction now has an optional interface,
868io_channel_write_range, which allows specific byte ranges to be
869written.
870
871The unix_io IO channel now supports write-through caching, so that
872journal creation is more efficient.
873
874Added x86 assembly language routines to support byte swapping, to
875reduce executable size.
876
877Fixed bug in the utility program subst so that it's possible to
878replace a substitution variable with a zero-length string.
879
880Fixed numbering e2fsck pass1 problem numbers; an extra zero had
881slipped into some of the problem number.
Theodore Ts'o5570a652000-08-21 01:23:39 +0000882
Theodore Ts'ob777e262000-07-27 01:39:23 +0000883E2fsprogs 1.19 (July 13, 2000)
884==============================
Theodore Ts'oab146762000-07-07 04:37:35 +0000885
886Release the resize2fs program since the timeout before it could
Theodore Ts'o006ea712000-08-21 03:39:49 +0000887be released under the GPL has finally expired.
Theodore Ts'oab146762000-07-07 04:37:35 +0000888
889Add experimental support needed for the ext2 compression patches.
890This requires compiling e2fsprogs with the --enable-compression flag
891to the configure script.
892
893Added ext3 journalling support. E2fsck will run the journal (if
894necessary) by temporarily mounting the filesystem. /sbin/fsck.ext3 is
895installed as a symlink to e2fsck. Fsck has been taught about ext3,
896and treats it the same as ext2 in terms of the progress bar logic.
897Dumpe2fs will display the superblock journaling information if the
898filesystem has a journal. The ext2 library will now permit opening an
899ext3 filesystem with the recovery flag set. This is necessary for
900on-line dump's to work correctly, but there may be issues with this
901working well since ext3 is much less agressive about syncing blocks to
902the filesystem, since they're safe on the journal.
903
904Tune2fs and e2fsck have been changed to allow the mount_count check to
905be disabled by setting max_mount_count to -1. (This was already
906supported by the kernel.)
907
908Create a symbolic link for fsck.ext3, since the e2fsprogs utilities
909are used for ext3 as well.
910
911Added internationalization support for e2fsprogs; must be enabled
912by passing --enable-nls to configure.
913
914Always use the provided ext2fs header files to insulate ourselves from
915kernel version changes. Which include files are used by e2fsprogs
916have also been cleaned up to improve portability.
917
918Limit the number of times that e2fsck updates the progress bar so that
919people who are booting using a 9600 baud console don't get swampped by
920too many updates.
921
922Improved the loop detection algorithm in e2sck's pass #3 so that it is
923much, much faster for large filesystems with a large number of
924directories.
925
926The memory footprint for e2fsck is now slightly smaller than before.
927
928E2fsck now checks if special devices have a non-zero size, and offers
929to clear the size field if it finds such an inode.
930
931E2fsck now checks if special devices have the append-only flag set,
932and offers to clear the inode.
933
934E2fsck now properly handles some "should never fail" cases during a
935bitmap copy in pass5.
936
937E2fsck now properly prints control characters in filenames as ^A .. ^Z.
938
Theodore Ts'o31d1d0c2001-05-11 05:15:06 +0000939E2fsck now calculates the correct location of the backup superblock in
940the case of filesystem blocksizes > 1k.
941
942Fixed a bug in e2fsck's calculation of the number of inodes_per_block
943which normally didn't cause problems under most filesystem parameters,
944but could cause a valid superblock to be rejected in extreme cases.
945Other checks for validating superblock values were made more
946stringent.
947
Theodore Ts'oab146762000-07-07 04:37:35 +0000948Added non-destructive write testing to the badblocks program, courtesy
949of David Beattie. The badblocks also now has an option to input the
950current set of bad blocks, so that known bad blocks are skipped to
951speed up the badblocks test. There is also a persistent rescan
Theodore Ts'o006ea712000-08-21 03:39:49 +0000952feature which causes badblocks to run until it has completed some
953number of passes without discovering any new bad blocks.
Theodore Ts'oab146762000-07-07 04:37:35 +0000954
955Badblocks now checks to see if the device is mounted and refuses to do
956the tests involving writing to the device if it is mounted. Also,
957badblocks now allows the number of blocks to be checked to be
958defaulted to the size of the partition.
959
960Fixed a bug in fsck which didn't allow non-root users to be able to
961check filesystems if there were any LABEL= or UUID= entries in
962/etc/fstab.
963
964The Hurd doesn't support the filetype filesystem feature. The mke2fs
965program now makes sure that for the Hurd, the filestype feature is
966turned off. E2fsck will check to see if the filetype feature is
967turned on for Hurd filesystems, and offer to turn off the feature.
968
969Mke2fs now has a safety check to make sure the number of blocks do not
970exceed 32 bits even on a 64 bit platform.
971
972Really fixed a bug in fsck to allow "fsck -As" to run interactive
973fsck's. (For those people who like to do interactive fsck's in the
974/etc/rc scripts!?!)
975
976Debugfs has a few new features: the rdump command, which will do a
977recursive dump of a directory and all of its contents, and the lcd
978command which does a local chdir (much like the ftp command of the
979same name). In addition, the debugfs program and the open_filesystem
980command now takes three new options: -b and -s, which allows the
981blocksize and superblock location to be specified, and the -c option
982which is used in catastrophic situations where the block group
983descriptors are corrupt. If the -c option is specified, debugfs will
984skip trying to read in the block and inode bitmaps.
985
986Debufs's lsdel command was fixed to handle bad blocks in the inode
987table.
988
989A Y2K bug in debugfs's "ls -l" handling was fixed by switching to use
9904 digit years.
991
992General improvements in error messages
993
994 - Mke2fs prints a sane error message if the partition size is zero
995 (usually because the partition table wasn't reread by the
996 kernel due to the partition being busy), instead of "invalid
997 argument passed to ext2 library while initializing superblock".
998
999 - Fsck now prints more self-explanatory message if an invalid UUID=
1000 or LABEL= specification is passed to it.
1001
1002UUID library changed to use the LGPL.
1003
1004Fixed a bug in the UUID library where very rapid calls to the
1005time-based UUID generator could cause duplicate UUID's to be returned.
1006This was not a problem for e2fsprogs, but it could be a problem for
1007other users of the library.
1008
1009Make the UUID library more robust in the face of missing or an
1010improper /dev/urandom or /dev/random files.
1011
1012Added some random portability fixes for Solaris.
1013
1014Some minor man page updates.
1015
1016Fixed a memory leak in the ss library.
1017
1018
1019Programmer's notes:
1020-------------------
1021
1022We now try to use lseek64 and open64 from the LFS if possible.
1023
1024The 3rd parameter in e2p's print_flags is now a flags word, instead of
1025a boolean option.
1026
1027The mark and unmark bitmap functions now return the previous state of
1028the bit that was being changed, which is useful for some speed
1029optimizations.
1030
1031The following functions have been added to enhance the badblocks list
1032handling in libext2fs: ext2fs_write_bb_FILE, ext2fs_read_bb_FILE2, and
1033ext2fs_badblocks_equal.
1034
1035The ext2 header files now have the latest journalling fields to the
1036superblock.
1037
1038The ext2fs_mkdir function in libext2fs now properly backs out of error
1039conditions robustly.
1040
1041Cleaned up makefiles:
1042 - to cleanly compile with the -j flag.
1043 - so distclean removes all generated files.
1044 - so in case of an error while installing header files, the make aborts.
1045
1046Fix test_script so that it works correctly when compiling in the
1047source directory.
1048
Theodore Ts'o31d1d0c2001-05-11 05:15:06 +00001049The random UUID generation routine has been made slightly better in
1050the case where /dev/random doesn't exist. (Use of randomly-based UUID
1051is still not recommended if /dev/random doesn't exist, however; it's
1052better to use the time/ethernet MAC address UUID in this case.)
Theodore Ts'oab146762000-07-07 04:37:35 +00001053
1054Clean up the build process so it's more friendly in case of missing
1055directories.
1056
1057The ext2fs header file can now be #include'd into C++ programs.
1058
1059The e2p.h header file is now installed.
1060
1061Added workaround to a gawk 3.0.5 bug in lib/ss/mk_cmds.
1062
1063
1064
Theodore Ts'o24ded091999-11-10 15:56:16 +00001065E2fsprogs 1.18 (November 10, 1999)
1066==================================
1067
1068Fix a core dumping bug in e2fsck if an imagic inode is present or
1069(more rarely) if the filesystem is badly corrupted enough that e2fsck
1070has to restart pass 1 processing. E2fsck now closes the filesystem
1071before freeing a large number of its data structures, so in the case
1072of future memory faults, at least the fixed filesystem will be fully
1073written out.
1074
1075If a filesystem doesn't support imagic inodes, and e2fsck discovers an
1076imagic inode, it will offer to clear the imagic flag.
1077
1078E2fsck will now offer to clear the immutable flag on special files
1079(device/socket/fifos) when running it in non-preen mode.
1080
1081E2fsck will now set the filetype when creating /lost+found, and when
1082connected orphaned inodes to /lost+found.
1083
1084Debugfs's ncheck and icheck commands now handles the case where there
1085are bad blocks in the inode table without bombing out.
1086
1087The badblocks list processing code has been made more efficiently for
1088appending a large number of (ordered) badblocks to the badblocks list.
1089
1090Some minor man page updates.
1091
1092Fsck now allows interactive e2fsck's when using fsck -As (not a common
1093mode, but some people like to do this in boot scripts for silly reasons).
1094
1095Programmer's notes:
1096-------------------
1097
1098The internal e2fsck problem code for PR_2_SPLIT_DOT was fixed to meet
1099with the problem code convention.
1100
1101The badblocks list regression test program has been updated to work
1102with previously made API name changes.
1103
1104The ext2fs_free() command now uses the new badblocks API to avoid
1105using the compatibility layer.
1106
1107Added new regression test cases; the run_e2fsck test script now
1108supports the ability for a test case to run a prepratory command
1109before running e2fsck.
1110
Theodore Ts'o28e11941999-10-26 18:17:20 +00001111E2fsprogs 1.17 (October 26, 1999)
1112=================================
1113
1114Fixed nasty typo in fsck which caused parallelized fsck's to go into an
1115infinite loop.
1116
1117Fixed a bug in fsck where it used strncmp to compare a binary UUID,
1118thus potentially causing problems if a binary UUID contained a NULL
1119character.
1120
1121E2fsck now uses stricter checks for directory entries in pass 2:
1122zero-length filenames are not allowed; neither are 8 byte long
1123directory entries.
1124
1125The debugfs "dirty" command now clears the filesystem valid bit.
1126(Previously this just set the dirty-as-in-needs-writing-out-to-disk
1127bit in the in-core superblock image. The new functionality is more
1128what the user expects, and is more useful.)
1129
1130Added a debugging hook to test parallel fsck; if the environment
1131variable FSCK_FORCE_ALL_PARALLEL, then filesystems on the same drive
1132will be checked in parallel when they normally would not be.
1133
1134Programmer's notes:
1135-------------------
1136
1137Fixed some #ifdef's for compilation under the Hurd OS.
1138
1139Fixed minor W2K compatibility problems.
1140
1141Fixed some miscellaneous GCC warnings.
1142
1143
Theodore Ts'o8a31ffe1999-10-23 03:33:15 +00001144E2fsprogs 1.16 (October 22, 1999)
1145=================================
1146
1147Fixed a race condition bug in fsck; when printing a progress bar, if
1148checking multiple filesystems in parallel, it was possible for fsck to
1149send e2fsck a SIGUSR1 signal before e2fsck had installed its signal
1150handler, which would cause it to terminate with a signal 10.
1151
1152E2fsck now properly handles filesystems that have the
1153INCOMPAT_FILETYPE feature turned on. It can be used to convert a
1154filesystem into using or not using FILETYPE feature.
1155
1156E2fsck now properly handles filesystems that have the IMAGIC feature
1157turned on (this is used on Linux AFS servers).
1158
1159The mke2fs program now creates filesystems that have the filetype and
1160sparse_superblock features enabled by default, unless it is run on a
1161pre-2.2 kernel. These features are not supported by a pre-2.2 kernel,
1162so there is now a new flag -O which allows the user to specify with
1163which features she would like to create the filesystem; "mke2fs -O
1164none" will create a filesystsem compatible with 2.0 kernels.
1165
1166The tune2fs program now has a -O option which allows the user to set
1167and reset "safe" filesystem features. Currently, the only ones which
1168allows to be modified are the filetype and sparse_superblock features.
1169Note setting or clearing either feature will require running e2fsck on
1170the filesystem afterwards. (n.b. Clearing the sparse_superblock feature
1171requires that there is enough free space on the filesystem for the
1172extra superblocks which will be created by e2fsck.)
1173
1174Debugfs can now set and print filesystem features in the superblock
1175using the "features" command. Dumpe2fs will print out the complete
1176set of features when listing the superblock.
1177
1178Dumpe2fs has new options -f (force) and -h (header-only).
1179
1180Fixed a bug in e2fsck which could cause the PROGRAMMING ERROR/bonehead
1181message to come up. This could happen when decrementing or
1182incrementing a link count could result in an overflow.
1183
1184Fixed a bug in e2fsck where the block count on the lost+found
1185directory would not be properly incremented when the directory was
1186expanded to the point where an indirect block needed to be allocated.
1187
1188E2fsck now makes some additional sanity checks on the superblock to
1189avoid crashing or giving a memory allocation error if some of the
1190values in the superblock are unresonable (but the superblock otherwise
1191looks valid).
1192
1193Fixed a bug in e2fsck where a very badly corrupted filesystem might
1194require two passes to completely fix the filesystem. This happened if
1195an inode claimed blocks that was part of the filesystem metadata
1196(typically, when garbage was written into an inode table or indirect
1197block, since this kind of filesystem corruption normally doesn't
1198happen otherwise).
1199
1200On the Alpha, glibc declares st_flags although it isn't actually used;
1201the configure script was improved to detect this case so that
1202e2fsprogs can avoid using the non-functional stat field.
1203
1204The manual pages were updated to use a more consistent formatting
1205style consistent with standard Unix man pages. Mke2fs's man page
1206added documentation for a few previously undocumented options.
1207
1208Fixed minor display bugs in tune2fs and mke2fs.
1209
1210Programmer's notes:
1211-------------------
1212
1213Improved portability of e2fsprogs to non-Unix systems (in particular, NT).
1214
1215Added features to parse and print feature strings into the e2p library.
1216(e2p_feature2string, e2p_string2feature, e2p_edit_feature).
1217
1218ext2fs_mkdir() and ext2fs_new_dir_block() now creates directories
1219whose directory entries contain proper filetype information if the
1220filesystem supports it.
1221
1222ext2fs_link() now uses the low 3 bits of its flags parameter to pass
1223the directory entry filetype information. This is used to set the
1224directory entry filetype information if the filesystem supports it.
1225
1226Fixed a bug in ext2fs_expand_dir() where the block count in a
1227directory's inode would not be properly incremented when the directory
1228was expanded to the point where an indirect block needed to be
1229allocated.
1230
1231
Theodore Ts'oa39f3ef1999-07-20 02:02:40 +00001232E2fsprogs 1.15 (July 18, 1999)
Theodore Ts'oe2a99be1999-07-19 15:48:08 +00001233==============================
Theodore Ts'o6d53db31999-07-03 20:52:21 +00001234
1235Add configuration checks so that e2fsprogs will compile cleanly on
1236Linux 2.3 kernels that have renamed i_version to i_generation.
1237
Theodore Ts'oe2a99be1999-07-19 15:48:08 +00001238E2fsck now prints a progress/completion bar (and not just a simple
1239spinner) if the -C0 option is requested or if it receives a SIGUSR1
1240signal. Fsck will automatically manage the (potentially muliple)
1241e2fsck processes to print completion bars if it is given a -C option,
1242with the right thing happening if multiple filesystems are being
1243checked in parallel.
1244
1245Mke2fs now has better automatic hueristics to determine the filesystem
1246parameters to be used for a particular filesystem. Added a new option
1247-T which allows the user to specify how the filesystem is to be used,
1248which helps mke2fs do a better job selecting the filesystem parameters.
1249
Theodore Ts'oa39f3ef1999-07-20 02:02:40 +00001250Mke2fs now creates revision 1 filesystems by default, and with the
1251sparse superblock feature enabled. The sparse superblock feature is
Theodore Ts'o8a31ffe1999-10-23 03:33:15 +00001252not understood by Linux 2.0 kernels, so they will only allow read-only
1253mounts of filesystems with this sparse superblocks.
Theodore Ts'oa39f3ef1999-07-20 02:02:40 +00001254
Theodore Ts'o6d53db31999-07-03 20:52:21 +00001255Fix bug where if /dev/null couldn't be opened (should never happen),
1256e2fsck would hang in a tight loop.
1257
1258Make e2fsck handle the case where /lost+found isn't a directory.
1259
1260E2fsck now uses mallinfo if it exists to get accurate statistics about
1261its memory usage.
1262
1263Fix bug in e2fsck where it wouldn't check to see if a disconnected
1264inode had any problems before connecting it to /lost+found.
1265
1266Add check to e2fsck so it makes sure that total number of inodes in
1267the filesystem is a sane number.
1268
1269Fix fencepost error when clearing an the end of the block bitmap which
1270caused the last block in the bitmap not to get cleared.
1271
1272Cleaned up a number of messages in e2fsck:
1273 * The message "Group's #'s copy of the group descriptor..."
1274 was fixed so that the correct number would be displayed.
1275 * Added missing space in the "disk write-protected" error messsage
1276 * Cleaned up the error message printed when a non-interactive
1277 e2fsck needs to abort a check because the filesystem
1278 appears to be mounted.
1279
1280Added a new command-line utility, uuidgen, which will create and print
1281a UUID.
1282
1283Make debugfs's icheck command more robust by checking to make sure an
1284inode has valid blocks before interarting over the inode's blocks.
1285
1286UUID generation now uses a random-based scheme whenever possible to
1287prevent potential privacy problems.
1288
1289Man pages for all of the UUID functions in the lirbary were added.
1290
1291Fixed bug in fsck so it won't coredump if a filesystem not in
1292/etc/fstab is given to it.
1293
1294Fsck now understands the UUID=xxxx and LABEL=yyyy forms in /etc/fstab
1295that most of the other mount utilities understands.
1296
1297Mke2fs will make a filesystem even if it appears mounted if the force
1298option is given.
1299
1300Dumpe2fs has new command-line options which allow a filesystem expert
1301to specify the superblock and blocksize when opening a filesystem.
1302This is mainly useful when examining the remains of a toasted
1303filesystem.
1304
1305The badblocks program has been updated to display correctly on disks
1306with large block numbers.
1307
Theodore Ts'oe2a99be1999-07-19 15:48:08 +00001308The badblocks program no longer gives spurious errors when errors
1309occur on non-block boundaries, which is common if the blocksize is
1310larger than 1k.
1311
Theodore Ts'o6d53db31999-07-03 20:52:21 +00001312Mke2fs will sync the disk device every MKE2FS_SYNC block groups if the
1313MKE2FS_SYNC environment variable is set. This is to work around a VM
1314bug in the 2.0 kernel. I've heard a report that a RAID user was able
Theodore Ts'oa39f3ef1999-07-20 02:02:40 +00001315to trigger it even using a 2.2 kernel, but hopefully it will not be
1316needed for most Linux 2.2 users.
Theodore Ts'o6d53db31999-07-03 20:52:21 +00001317
1318Fixed miscellaneous documentation and man pages.
1319
1320Programmer's notes:
1321-------------------
1322
1323Cleaned up functions such as pass1_get_blocks, pass1_read_inode which
1324in e2fsck's pass1.c really should have been static.
1325
1326The return value of the uuid_compare() function was changed to make it
1327match with the convetions used by strcmp, memcmp, and Paul Leach's
1328UUID sample document.
1329
1330The "make depend" process has now been made more automated; it now
1331automatically word-wraps the dependencies, and only replaces source
1332Makefile.in if there has been a change in the dependencies. Also, a
1333top-level "make depend" now recurses through all the subdirectories
1334automatically.
1335
1336The Makefile in .../util has been changed so that subst is built using
1337the native C compiler during a cross-compilation, since the subst
1338program is only used during the build process. Also add an explicit
1339rule to build util/subst by cd'ing to the correct directory and
1340running Makefile.
1341
1342The man directories are defined in terms mandir, so that the configure
1343script can override the location of the manual pages.
1344
1345The config files have been updated to recognize new machine types for
1346both the i386 and alpha families.
1347
1348Fsck has been modified so that it will accurately create an
1349fsck_instance even when the noexecute flag is set. This allows for
1350accurate debugging of the fsck pass structure. Also, when the verbose
1351flag is given twice, fsck will print debugging information about when
1352fsck is waiting for jobs to finish.
1353
1354
Theodore Ts'o14790ed1999-01-12 23:32:52 +00001355E2fsprogs 1.14 (January 9, 1999)
1356================================
1357
1358Fix the fstab parsing code so that it can handle blank lines and
1359comment characters. Also, missing pass numbers need to be treated as
1360zero.
1361
1362Fixed a bug in e2fsck where under some circumstances (when e2fsck
1363needs to restart processing after fixing an egregious inconsistency)
1364it would try to access already freed memory.
1365
1366E2fsck now prints non-printable characters in directory entries and
1367pathnames using '^' and 'M-' notation.
1368
1369Fixed chattr so that it will ignore symbolic links when doing
1370recursive descent traversals. For both chattr and lsattr, no longer
1371print the version string unless the -V option is given.
1372
1373Allow the system administrator to directly specify the number of
1374inodes desired in the filesystem, for some special cases where this is
1375necessary.
1376
1377Fix portability problems so that e2fsprogs can be compiled under Linux
13781.2 systems and Solaris systems.
1379
1380Update the config.guess file with a more recent version that will
1381identify newer Linux platforms.
1382
1383Programmer's notes
1384------------------
1385
1386Ext2fs_read_inode and ext2fs_write_inode will now return an error if
1387an inode number of zero is passed to them.
1388
Theodore Ts'o556ad131998-12-19 08:10:58 +00001389E2fsprogs 1.13 (December 15, 1998)
1390==================================
1391
1392Fixed a bug in debugfs where an error messages weren't getting printed
1393when the ext2 library routines to read inodes returned errors in the
1394stat, cmri and rm commands.
1395
1396Fixed a bug in mke2fs so that if a ridiculous inode ratio parameter is
1397provided, it won't create an inode table smaller than the minimum
1398number of inodes required for a proper ext2 filesystem.
1399
1400Fsck now parses the /etc/fstab file directly (instead of using
1401getmntent()), so that it can distinguish between a missing pass number
1402field and pass number field of zero. This caused problems for
1403diskless workstations where all of the filesystems in /etc/fstab have
1404an explicit pass number of zero, and fsck could not distinguish this
1405from a /etc/fstab file with missing pass numbers.
1406
1407E2fsck will create a /lost+found directory if there isn't one in the
1408filesystem, since it's safer to create the lost+found directory before
1409it's needed.
1410
1411Fixed e2fsck so that it would detect bogus immutable inodes which
1412happen to be sockets and FIFO files, and offer to clear them.
1413
1414If a filesystem has multiple reasons why it needs to be checked, and
1415one of the reasons is that it is uncleanly mounted, e2fsck will print
1416that as the reason why the filesystem is being checked.
1417
1418Cleaned up the output routines of mke2fs so that it doesn't overflow
1419an 80 column display when formating really big filesystems.
1420
1421Added a sanity check to e2fsck to make sure that file descriptors 0,
14221, 2 are open before opening the hard disk. This avoids a problem
1423where a broken program might exec e2fsck with those file descriptors
1424closed, which would cause disastrous results if the kernel returns a
1425file descriptor for the block device which is also used by FILE *
1426stdout.
1427
1428Fixed up the e2fsck progress reporting functions so that the values
1429reliably reach 100% at the completion of all of the e2fsck passes.
1430
1431Fixed minor documentation bugs in man pages and usage messages.
1432
1433Programmer's notes:
1434-------------------
1435
1436Fixed a number of lint warnings in the ext2fs library and potential
1437portability problems from other OS's header files that might define
1438CPP macros for names like "max" and "min".
1439
1440ext2fs_badblocks_list_add() has been made more efficient when it needs
1441to grow the bad blocks list.
1442
1443Fixed a bug in e2fsck which caused it to dereference a freed pointer
1444just before exiting.
1445
1446Fixed the substition process for generating the mk_cmds and compile_et
1447scripts so that they will work outside of the build tree.
1448
1449Add sanity check to e2fsck so that if an internal routine
1450(ext2fs_get_dir_info) returns NULL, avoid dereferencing the pointer
1451and causing a core dump. This should never happen, but...
1452
Theodore Ts'oa5696711998-07-09 05:38:07 +00001453E2fsprogs 1.12 (July 9, 1998)
Theodore Ts'o21d53851998-02-21 03:14:50 +00001454==================================
1455
1456E2fsprogs now works with glibc (at least with the version shipped wtih
1457RedHat 5.0). The ext2fs_llseek() function should now work even with
1458i386 ELF shared libraries and if llseek() is not present. We also
1459explicitly do a configure test to see if (a) llseek is in libc, and
1460(b) if llseek is declared in the system header files. (See standard
1461complaints about libc developers don't understand the concept of
1462compatibility with previous versions of libc.)
1463
Theodore Ts'oc9833a61998-07-05 19:37:53 +00001464The ext2fs library now writes out the block group number in each of
1465the superblock copies. This makes it easier to automatically
1466determine the starting block group of the filesystem when the block
1467group information is trashed.
1468
1469Added support for the EXT2_FEATURE_INCOMPAT_FILETYPE feature,
Theodore Ts'o101c84f1998-03-24 16:27:11 +00001470which means that e2fsprogs will ignore the high 8 bits of the
1471directory entry's name_len field, so that it can be used for other
1472purposes.
1473
1474Added support for the EXT2_FEATURE_RO_COMPAT_LARGE_FILE feature.
1475E2fsprogs will now support filesystems with 64-bit sized files.
1476
1477Added support for the EXT2_FEATURE_COMPAT_DIR_PREALLOC feature.
1478
Theodore Ts'o21d53851998-02-21 03:14:50 +00001479Added new program "e2label", contributed by Andries Brouwer. E2label
1480provides an easy-to-use interface to modify the filesystem label.
1481
Theodore Ts'oa4b2d3c1998-04-03 16:12:25 +00001482Fixed bug so that lsattr -v works instead of producing a core dump.
1483
Theodore Ts'o21d53851998-02-21 03:14:50 +00001484Fixed a minor bug in mke2fs so that all groups with bad superblock
1485backup blocks are printed (not just the first one).
Theodore Ts'oa4b2d3c1998-04-03 16:12:25 +00001486
1487Mke2fs will check the size of the device, and if the user specifies a
1488filesystem size larger than the apparent size of the device it will
1489print a warning message and ask if the user wants to proceed.
1490
Theodore Ts'oc9833a61998-07-05 19:37:53 +00001491E2fsck has a new option -C, which sends completion information to the
1492specified file descriptor. For the most part, this is intended for
1493programs to use, although -C 0 will print a spinning character to the
1494stdout device, which may be useful for users who want to see something
1495happening while e2fsck goes about its business.
1496
Theodore Ts'o21d53851998-02-21 03:14:50 +00001497Fixed a bug in e2fsck which could cause a core dump when it needs to
1498expand the /lost+found directory, and sometimes the bitmaps haven't
1499been merged in. Also fixed a related bug where ext2fs_write_dir_block
1500was used to write out a non-directory block. (Which would be bad on a
1501non-Intel platform with byte swapping going on.)
1502
1503Fixed bug in e2fsck where it would print a "programming error" message
1504instead of correctly identifying where a bad block was in used when
1505the bad block was in a non-primary superblock or block group
1506descriptor. Also fixed a related bug when sparse superblocks are in
1507use and there is a bad block where a superblock or block group
1508descriptor would have been in a group that doesn't include a
1509superblock.
1510
1511Fixed a bug in e2fsck (really in libext2fs's dblist function) where if
1512the block group descriptor table is corrupt, it was possible to try to
1513allocate a huge array, fail, and then abort e2fsck.
1514ext2fs_get_num_dirs() now sanity checks the block group descriptor,
1515and subsitutes reasonable values if the descriptors are obviously bogus.
1516
1517If e2fsck finds a device file which has the immutable flag set and the
1518i_blocks beyond the normal device number are non-zero, e2fsck will
1519offer to remove it, since it's probably caused by garbage in the inode
1520table.
1521
1522When opening a filesystem, e2fsck specially checks for the EROFS error
1523code, and prints a specific error message to the user which is more
1524user friendly.
1525
1526If the filesystem revision is too high, change the e2fsck to print
1527that this is either because e2fsck is out of date, or because the
1528superblock is corrupt.
1529
1530E2fsck now checks for directories that have duplicate '.' and '..'
1531entries, and fixes this corruption.
1532
1533E2fsck no longer forces a sync of the filesystem (with attendant sleep
1534calls) at all times. The ext2fs_flush() function now performs a sync
1535only if it needed to write data blocks to disk.
1536
1537Fixed a minor bug in e2fsck's pass1b's file cloning function, where
1538certain errors would not be properly reported.
1539
1540Updated and expanded a few points in the man pages which users
1541complained wheren't explicit enough.
1542
1543Added special case byte-swapping code if compiling on the PowerPC, to
1544accomodate the strange big-endian variant of the ext2 filesystem that
1545was previously used on the PowerPC port.
1546
1547
1548Programmer's notes:
1549-------------------
1550
1551Removed C++ keywords from the ext2fs libraries so that it could be
1552compiled with C++.
1553
1554E2fsck's internal organization has now been massively reorganized so
1555that pass*.c don't have any printf statements. Instead, all problems
1556are reported through the fix_problem() abstraction interface. E2fsck
1557has also been revamped so that it can be called as a library from a
1558application.
1559
1560Added new fileio primitives in libext2fs for reading and writing
1561files on an unmounted ext2 filesystem. This interface is now used by
1562debugfs.
1563
1564Added a new libext2fs function for mapping logical block numbers of
1565a file to a physical block number.
1566
1567Added a new libext2fs function, ext2fs_alloc_block(), which allocates
1568a block, zeros it, and updates the filesystem accounting records
1569appropriately.
1570
1571Added a new libext2fs function, ext2fs_set_bitmap_padding(), which
1572sets the padding of the bitmap to be all one's. Used by e2fsck pass 5.
1573
1574The libext2fs functions now use a set of memory allocation wrapper
1575functions: ext2fs_get_mem, ext2fs_free_mem, and ext2fs_resize_mem,
1576instead of malloc, free, and resize. This makes it easier for us to
1577be ported to strange environments where malloc, et. al. aren't
1578necessarily available.
1579
1580Change the libext2fs fucntion to return ext2-specific error codes
1581(EXT2_DIR_EXISTS and EXT2_DB_NOT_FOUND, for example) instead of using
1582and depending on the existence of system error codes (such as EEXIST
1583and ENOENT).
1584
1585Renamed io.h to ext2_io.h to avoid collision with other OS's header
1586files.
1587
1588Add protection against ext2_io.h and ext2fs.h being included multiple
1589times.
1590
1591The types used for memory lengths, etc. have been made more portable.
1592In generla, the code has been made 16-bit safe. Added Mark
1593Habersack's contributed DOS disk i/o routines.
1594
1595Miscellaneous portability fixes, including not depending on char's
1596being signed.
1597
1598The io_channel structure has a new element, app_data, which is
1599initialized by the ext2fs routines to contain a copy of the filesystem
1600handle.
1601
1602ext2fs_check_directory()'s callback function may now return the error
1603EXT2_ET_CALLBACK_NOTHANDLED if it wishes ext2fs_check_directory() to
1604really do the checking, despite the presence of the callback function.
1605
1606
Theodore Ts'obc210071997-06-17 05:41:36 +00001607E2fsprosg 1.11 (June 17, 1997)
1608==============================
1609
1610Fixed e2fsck to detect (previously ignored) conflicts between the
1611superblock or block group descriptors and block bitmaps, inode
1612bitmaps, and inode tables.
1613
1614Fixed bug in e2fsck so that when the message printed out when a block
1615or inode bitmap conflicts with other data, it has the correct group
1616number.
1617
1618Fixed bug in e2fsck and mke2fs where the blocksize wasn't being passed
1619to badblocks. This meant that not all of the filesystem was being
1620tested for bad blocks!
1621
1622Fixed an array boundary overrun case which cropped up in
1623ext2fs_badblocks_list_test when a user tried running "mke2fs -c
1624-b 4096".
1625
1626Adjusted the number of columns printed by mke2fs when displaying the
1627superblock backups to avoid running over 80 columns when making a
Theodore Ts'o21d53851998-02-21 03:14:50 +00001628really big filesystem.
Theodore Ts'obc210071997-06-17 05:41:36 +00001629
1630Fixed up the man pages for e2fsck, debugfs, badblocks, chattr,
1631dumpe2fs, fsck, mke2fs, and tune2fs (typos and other minor grammar
1632fixes), thanks to some suggestions from Bill Hawes (whawes@star.net).
1633
1634Programmer's notes:
1635-------------------
1636
1637Fixed install rule in lib/ss so that ss_err.h is actually getting
1638installed.
1639
1640Fixed bug in ext2fs_copy_bitmap; the destination bitmap wasn't getting
1641bassed back to the caller.
1642
1643Fixed bug in ext2fs_inode_scan_goto_blockgroup; it had not been
1644setting the current inode number (which meant this function wasn't
1645working at all).
1646
1647Fixed bug in ext2fs_resize_generic_bitmap; it had not be zeroing all
1648blocks in the bitmap when increasing the size of the bitmap.
1649
1650Changed the initial number of blocks allocated by ext2fs_init_dblist()
1651to be more realistic.
1652
1653Added a new function ext2fs_allocate_group_table, which sets up the
1654group descriptor information (and allocates inode and block bitmaps,
1655and inode tables for a particular group). The function was created by
1656factoring out code form ext2fs_allocate_tables().
1657
1658Added a new function ext2fs_move_blocks which takes a bitmap of the
1659blocks to be moved, and moves them to another location on the
1660boardboard.
1661
1662Make the unix_io channel's io_channel_flush implementation calls sync()
1663to to flush the kernel buffers to disk.
1664
1665Added a new function ext2fs_dblist_count returns the number of
1666directory blocks in dblist.
1667
1668
Theodore Ts'oae851481997-04-29 18:13:24 +00001669E2fsprogs 1.10 (April 24, 1997)
1670===============================
1671
1672Mke2fs once again defaults to creating revision #0 filesystems, since
1673people were complaining about breaking compatibility with 1.2 kernels.
1674Warning messages were added to the mke2fs and tune2fs man pages that
1675the sparse superblock option isn't supported by most kernels yet (1.2
1676and 2.0 both don't support parse superblocks.)
1677
1678Added new flag to mke2fs, -R <raid options>, which allows the user to
1679tell mke2fs about the RAID configuration of the filesystem. Currently
1680the only supported raid option is "stride" which specifies the width
1681of the RAID stripe.
1682
1683Fixed bug in e2fsck where pass1b would bomb out if there were any
1684blocks marked bad in the inode table.
1685
1686Fixed rare bug in mke2fs where if the user had a very unlucky number
1687of blocks in a filesystem (probability less than .002) the resulting
1688filesystem would be corrupt in the last block group.
1689
1690Fixed bug where if e2fsck tried to allocate a block to fix a
1691filesystem corruption problem and the filesystem had no free blocks,
1692ext2fs_new_block() would loop forever.
1693
1694The configure script now checks explicitly to see if "-static" works,
1695since that can't be assumed to be true --- RedHat doesn't install
1696libc-static by default.
1697
1698Fixed bug in libext2's block iterator functions where under some
1699cirmcustances, file with holes would cause the bcount parameter to the
1700callback function to be incorrect. This bug didn't affect any of
1701e2fsprogs programs, but it was discovered by Paul Mackerras, the
1702author of the PPC boot loader.
1703
1704Removed use of static variables to store the inode cache in libext2fs.
1705This caused problems if more than one filesystem was accessed via
1706libext2fs (static variables in libraries are generally a bad idea).
1707Again, this didn't affect e2fsprogs programs, but it was discovered by
1708Paul Mackerras.
1709
1710Fixed minor bugs and version code drift to assure that e2fsprogs 1.10
1711will compile cleanly with 1.2.13 kernels (even with a.out shared
1712libraries!)
1713
1714Programmer's notes:
1715-------------------
1716
1717Added new functions to duplicate an ext2 filesystem handle, and its
1718associated substructure. New functions: ext2fs_dup_handle(),
1719ext2fs_copy_dblist(), ext2fs_badblocks_copy(), ext2fs_copy_bitmap().
1720Other structures, such as the io_channel and the inode_cache, now have
1721a ref count so that they only get freed when they are no longer used
1722by any filesystem handle. (These functions were added as part of the
1723development effort for an ext2 resizer).
1724
Theodore Ts'o2ecc6fe1997-04-29 17:57:00 +00001725E2fsprogs 1.09 (April 14, 1997)
1726===============================
1727
1728Fixed bug in mke2fs (really in lib/ext2fs/initialize.c) which was
1729accidentally introduced in the 1.08 release. The overhead calculation
1730was accidentally removed, which caused ext2fs_initialize() to not
1731notice when the filesystem size needed to be adjusted down because
1732there wasn't enough space in the last block group.
1733
1734Fixed bug in version parsing library routine; it was always parsing
1735the library version string, instead of using the passed-in string.
1736
1737Clarified chattr man page.
1738
Theodore Ts'o24757fa1997-04-29 17:39:27 +00001739E2fsprogs 1.08 (April 10, 1997)
1740===============================
1741
1742E2fsck 1.07 was very slow when checking very large filesystems with a
1743lot of files that had hard links (i.e., news spools). This was fixed
1744by seriously revamping the icount abstraction. Added a formal test
1745suite for the icount abstraction.
1746
1747Debugfs now has a "-l" option to the "ls" command, which lists the
1748inode number, permissions, owner, group, size, and name of the files
1749in the directory.
1750
1751Fix a bug in e2fsck where when a directory had its blocks moved to
1752another location during the pass 1b processing, the directory block
1753list wasn't updated, so pass 2 wouldn't check (and correct) the
1754correct directory block.
1755
1756E2fsck will now treat inodes which contain blocks which are claimed by
1757the filesystem metadata by treating them as multiply claimed blocks.
1758This way, the data in those blocks can be copied to a new block during
1759the pass 1b--1d processing.
1760
1761E2fsck will attempt to determine the correct superblock number and
1762display it in the diagnostic and warning messages if possible.
1763
1764Add support for a new (incompatible) feature, "sparse_super". This
1765feature reduces the number of blocks which contain copies of backup
1766superblocks and block group descriptors. (It is only an incompatible
1767feature because of a bug in ext2_free_blocks.) mke2fs and tune2fs now
1768support a new -s option; e2fsck will recognize filesystems built with
1769this feature turned on.
1770
1771E2fsck now checks the library to make sure is the correct version,
1772using new library functions. (This helps to diagnose incorrectly
1773installed e2fsprogs distributions.)
1774
1775Dumpe2fs now prints more information; its now prints the the
1776filesystem revision number, the filesystem sparse_super feature (if
1777present), the block ranges for each block group, and the offset from
1778the beginning of the block group.
1779
1780Mke2fs now distributes the inode and block bitmap blok so that the
1781won't be concentrated in one or two disks in RAID/striping setups.
1782Also, if the user chooses a 2k or 4k block group, mke2fs will try to
1783choose the largest blocks per group that be chosen. (For 2k blocks,
1784you can have up to 16384 blocks/group; for 4k blocks, you can have up
1785to 32768 blocks/group.) Previously mke2fs would not allow
1786specification of more than 8192 blocks per group, even if you were
1787using a 2k or 4k block group.
1788
1789Programmer's notes:
1790-------------------
1791
1792Added a new function ext2fs_create_icount2() which takes a "hint"
1793argument. This hint argument presets the icount array with the list
1794of inodes which actually need to be in the icount array. This really
1795helps to speed up e2fsck.
1796
1797Added a new function ext2fs_icount_validate() which checks the rep
1798invariant for the icount structure. This is used mostly for testing.
1799
1800The error mesasage given when a bad inode number is passed to
1801test_generic_bitmap to reflect EXT2FS_TEST_ERROR (instead of
1802EXT2FS_UNMARK_ERROR).
1803
1804Added a new function ext2fs_set_dir_block which sets the block of a
1805dblist entry, given the directory inode and blockcnt.
1806
1807Added a new function ext2fs_get_library_version() which returns the
1808current library version, and ext2fs_parse_version_string() which
1809returns a version number based on a e2fsprogs version string.
1810
1811The icount functions will return EINVAL if the passed in inode number
1812is out of bounds.
1813
Theodore Ts'o21c84b71997-04-29 16:15:03 +00001814E2fsprogs 1.07 (March 9, 1997)
1815==============================
1816
1817E2fsck is now uses much less memory when checking really large
1818filesystems (or rather, filesystems with a large number of inodes).
1819Previously a filesystem with 1 million inodes required 4 megabytes of
1820memory to store inode count statistics; that storage requirement has
1821now been reduced to roughly half a megabyte.
1822
1823E2fsck can now properly deal with bad blocks appearing inside the
1824inode table. Instead of trying to relocate the inode table (which
1825often failed because there wasn't enough space), the inodes in the bad
1826block are marked as in use.
1827
1828E2fsck will automatically try to use the backup superblocks if the
1829primary superblocks have a bad magic number or have missing meta-data
1830blocks (or meta-data blocks which are out of range).
1831
1832E2fsck's pass 3 has been made more efficient; most noticeable on
1833filesystems with a very large number of directories.
1834
1835Completely revamped e2fsck's system of printing problem reports. It
1836is now table driven, to make them more easily customizeable and
1837extendable. Error messages which can be printed out during preen mode
1838are now one line long.
1839
1840Fixed e2fsck's filesystem swapping code so that it won't try to swap
1841fast symbolic links or deleted files.
1842
1843Fixed e2fsck core dumping when fixing a filesystem which has no
1844directories (not even a root directory).
1845
1846Added a check to e2fsck to make sure that the length of every
1847directory entry is a multiple of 4 (since the kernel complains if it
1848isn't).
1849
1850Added a check to e2fsck to make sure that a directory entry isn't a
1851link to the root directory, since that isn't allowed.
1852
1853Added a check to e2fsk to now make sure the '.' and '..' directory
1854entries are null terminated, since the 2.0 kernel requires it.
1855
1856Added check to write_bitmaps() to make sure the superblock doesn't get
1857trashed if the inode or block bitmap is marked as being block zero.
1858
1859Added checking of the new feature set fields in the superblock, to
1860avoid dealing with new filesystem features that this package wasn't
1861set up to handle.
1862
1863Fixed a fencepost error in ext2fs_new_block() which would occasionally
1864try to allocate a block beyond the end of a filesystem.
1865
1866When the UUID library picks a random IEEE 802 address (because it
1867can't find one from a network card), it sets the multicast bit, to
1868avoid conflicting with a legitimate IEEE 802 address.
1869
1870Mke2fs now sets the root directory's owner to be the real uid of the
1871user running mke2fs. If the real uid is non-zero, it also sets
1872the group ownership of the root directory to be the real group-id of
1873the user running mke2fs.
1874
1875Mke2fs now has more intelligent error checking when it is given a
1876non-existent device.
1877
1878When badblocks is given the -vv option, it now updates the block that
1879it is currently testing on every block.
1880
1881Fixed a bug in fsck where it wouldn't modify the PATH envirnoment
1882currently correctly if PATH wasn't already set.
1883
1884Shared libraries now built with dependencies. This allows the shared
1885library files to be used with dlopen(); it also makes the transition
1886to libc 6 easier, since ld.so can tell which libc a particular shared
1887library expects to use.
1888
1889Programmer's notes:
1890-------------------
1891
1892Added new abstraction (defined in dblist.c) for maintaining a list of
1893blocks which belongs to directories. This is used in e2fsck and other
1894programs which need to iterate over all directories.
1895
1896Added new functions which test to see if a contiguous range of blocks
1897(or inodes) are available. (ext2fs_*_bitmap_range).
1898
1899Added new function (ext2_inode_has_valid_blocks) which returns true if
1900an inode has valid blocks. (moved from e2fsck code).
1901
1902Added new function (ext2fs_allocate_tables) which allocates the
1903meta-data blocks as part of initializing a filesystem. (moved from
1904mke2fs code).
1905
1906Added a new I/O manager for testing purposes. It will either allow a
1907program to intercept I/O requests, or print debugging messages to
1908trace the activity of a program using the I/O manager.
1909
1910The badblocks_list functions now store the bad blocks in a sorted
1911order, and use a binary search to speed up badblocks_list_test.
1912
1913The inode scan function ext2fs_get_next_inode() may now return a soft
1914error returns: MISSING_INODE_TABLE and BAD_BLOCK_IN_INODE_TABLE in
1915those cases where part of an inode table is missing or there is a bad
1916block in the inode table.
1917
1918Added a new function (ext2fs_block_iterate2) which adds new arguments to
1919the callback function to return a pointer (block and offset) to the
1920reference of the block.
1921
1922Added new function (ext2fs_inode_scan_goto_blockgroup) which allows an
1923application to jump to a particular block group while doing an inode
1924scan.
1925
1926The badblocks list functions were renamed from badblocks_* to
1927ext2fs_badblocks_*. Backwards compatibility functions are available
1928for now, but programs should be modified to use the new interface.
1929
1930Some of the library functions were reorganized into separate files to
1931reduce the size of some programs which statically link against the
1932ext2 library.
1933
1934Put in some miscellaneous fixes for the Alpha platform.
1935
Theodore Ts'o5c576471997-04-29 15:29:49 +00001936
1937E2fsprogs 1.06 (October 7, 1996)
1938================================
1939
1940Fixed serious bug in e2fsck: if the block descriptors are bad, don't
1941smash the backup copies in ext2fs_close(). (The problem was that when
1942e2fsck -p discovered the problem, while it was closing the filesystem
1943and exiting, it was also blowing away the backup superblocks on the
1944disk, which was less than friendly.) We now make it the case that we
1945only write out the backup superblock and the back block descriptors if
1946the filesystem is completely free from problems.
1947
1948Fixed a bug in block_interate in the lib/ext2fs library which caused
1949e2fsck to fail on GNU Hurd-created filesystems.
1950
1951Add support for Linux/FT's bootloader, which actually uses
1952EXT2_BOOT_LOADER, and sets its mode bits which caused e2fsck to want
1953to clear the inode.
1954
1955Add support for the "A" (no atime update) attribute. (Note: this
1956attribute is not yet in production kernels.)
1957
1958The test suite is not automatically run when doing a "make all" from
1959the top level directory. Users should manually run "make check" if
1960they wish to run the test suite.
1961
1962Upon a preenhalt(), make the printed message more explicit that
1963running e2fsck "MANAULLY" means without the -p or -a options.
1964
1965In e2fsck, if a disconnected inode is zero-length, offer to clear it
1966instead of offering to connect it to lost+found.
1967
1968In e2fsck, if a filesystem was just unmounted uncleanly, and needs
1969e2fsck to be run over it, change e2fsck to explicitly display this
1970fact.
1971
1972For dumpe2fs and e2fsck, cause the -V option to print out which
1973version of the ext2fs library is actually getting used. (This will
1974help detect mismatches of using a 1.06 utility with a 1.05 library,
1975etc.)
1976
1977Programmers' notes:
1978-------------------
1979
1980EXT2_SWAP_BYTES was changed to EXT2_FLAG_SWAP_BYTES, which better fits
1981the naming convention.
1982
1983In ext2fs_initialize(), make sure the description for the inode bitmap
1984is correctly initialize.
1985
1986Fixed minor type typo in ext2fs_allocate_generic_bitmap();
1987
Theodore Ts'ofc6d9d51997-04-29 14:51:31 +00001988E2fsprogs 1.05 (September 7, 1996)
1989==================================
1990
1991Add support for new fields in the ext2 superblock --- volume name,
1992volume UUID, and last mounted field. Dumpe2fs displays these fields,
1993tune2fs and mke2fs allows you to set them. E2fsck will automatically
1994generate a UUID for those volumes that don't have them.
1995
1996Put in support for e2fsck to recognize HURD specific ext2 features ---
1997most notably, the translator block. The e2fsprogs tools will now use
1998the creator_os field in the superblock to correctly handle different
1999OS-specific variants of the ext2 filesystem.
2000
2001E2fsck now fixes inodes which have a the deletion time set, but which
2002have a non-zero i_link_count field by offering to clear the deletion
2003time. Previously e2fsck assumed that the inode was deleted (per 0.3c
2004ext2 kernel behavior) and offered to unlink the file.
2005
2006If e2fsck sets the clean bit, but nothing else, set the exit code
2007FSCK_NONDESTRUCT. After all, e2fsck did fix a filesystem error --- it
2008set the filesystem valid bit when it was previously cleared. :-) This
2009was needed to make the HURD fsck driver happy.
2010
2011If the user refuses to attach an unattached inode, e2fsck will no
2012longer set the inode's link count. Otherwise, the inode would end up
2013getting marked as unused, which might cause loss of data later.
2014
2015Make the message issued by e2fsck when the superblock is corrupt less
2016confusing for users. It now mentions that another reason for the
2017"corrupt superblock" message might be that the partition might not be
2018an ext2 filesystem at all (it might swap, msdos filesystem, ufs, etc.)
2019
2020Make the libext2 library more robuest so that e2fsck won't coredump on
2021an illegal superblock where the blocksize is zero. (f_crashdisk is
2022the test case).
2023
2024By default, create filesystems where the default checkinterval is 6
2025months (180 days). Linux servers can be robust enough that 20 reboots
2026can be a long, long time.
2027
2028Added configure flag --enable-old-bitops, which forces the bitops to
2029use the old (native) bitmask operations. By default on the sparc
2030platform, the standard ext2 bit ordering is now used.
2031
2032Added a new feature to e2fsck to byte-swap filesystems; this can be
2033used to convert old m68k filesystems to use the standard byte-order
2034storage for the superblock, inodes, and directory blocks. This
2035function is invoked by using the '-s' option to e2fsck.
2036
2037Debugfs's "dump" command has been enhanced so that it writes out the
2038exact size of the file so that the nulls at the end of the file are
2039eliminated. The command also accept a new "-p" option which will
2040attempt preserve to preserve the ownernship, permissions, and
2041file modification/access times.
2042
2043Debugfs has two new options, -f and -R. The -R option allows the user
2044to execute a single debugfs command from the command line. The -f
2045option allows the user to specify a "command file" containing debugfs
2046commands which will get executed.
2047
2048Dumpe2fs now pretty prints the check interval, instead of just
2049printing the check interval as a number of seconds.
2050
2051Fix bugs in debugfs: the params command when no filesystem is opened
2052no longer causes a core dump. It is now possible to unlink a file
2053when a pathame containing a '/' is specified.
2054
2055Tune2fs has a new -C option which sets the number of times the
2056filesystem has been mounted.
2057
2058Fix the chattr '-v' option so that it actually works. Chattr was
2059being buggy about the -v option parsing.
2060
2061Programmers' notes:
2062-------------------
2063
2064The directory lib/uuid contains a set of library routines to generate
2065DCE compatible UUIDs.
2066
2067Extended ext2fs_namei() to handle symbolic links. Added new function
2068ext2fs_nami_follow() which will follow last symbolic link in the case
2069where the pathname points to a sym link.
2070
2071The ext2fs_block_iterate function will now return the HURD translator
2072block, if present. The new flag BLOCK_FLAG_DATA_ONLY will cause the
2073iterator to return data blocks only. The ext2fs.h file now defines
2074constants BLOCK_COUNT_IND, BLOCK_COUNT_DIND, BLOCK_COUNT_TIND, and
2075BLOCK_COUNT_TRANSLATOR, which are the magic values passed in the block
2076count field of the iterator callback function.
2077
2078The test script driver now takes an optional second argument, which is
2079the test case to be run. This allows you to run a test case without
2080needing to run the entire test suite.
2081
2082On Linux ELF systems, install the .so files in the correct places
2083(/usr/lib). The .so files must be stored in the same directory as the
2084.a files.
2085
2086Fixed miscellaneous HURD compilation issues with header file being
2087included in the right order.
2088
2089Fixed debugfs so that it resets optind to zero, not one, since setting
2090optind to zero is more correct.
2091
2092
Theodore Ts'oa4d09611997-04-29 14:28:00 +00002093E2fsprogs 1.04 (May 16, 1996)
2094=============================
2095
2096First "official" (1.03 was a limited release only) to support building
2097e2fsprogs under Linux 2.0 kernels (as well as late model 1.3 and 1.99
2098kernels).
2099
2100This package includes a RPM specs file, that it can be built using the
2101RedHat Package Manager.
2102
2103E2fsck now prints a hint that if there are lots of incorrectly located
2104inode bitmaps, block bitmaps, and inode table blocks, the user might
2105want to try using e2fsck -b 8193 first, to see if that fares any
2106better.
2107
2108For ext2 filesystem written with the hurd, debugfs will now print out
2109the translator field when printing an inode structure.
2110
2111Lots of miscellaneous linking/installation cleanups:
2112
2113 Libraries are now linked using a relative pathname, instead of
2114 relying on -L working correct. It doesn't, in many cases, including
2115 current versions of GNU ld. This guarantees that the build tree is
2116 linking with the right libraries, instead of the ones installed in
2117 /usr/lib.
2118
2119 Header files, man pages, and the et/ss shell scripts are now
2120 generated using a custom substitution script, instead of relying on
2121 the configure script. This prevents needless recompilation of
2122 files; in addition, the custom substitution script is much faster.
2123
2124 e2fsck may now be linked dynamically, by using the
2125 --enable-dynamic-e2fsck flag to configure. This is not recommended,
2126 since it increases e2fsck's dependence on other files, but some
2127 people need to save disk space, and other critical programs on their
2128 systems were being linked dynamically anyway.
2129
2130 Programs such as fsck which didn't need to be linked against
2131 libext2fs (or mke2fs which didn't need to be linked against libe2p)
2132 only link against libraries they actually need. Otherwise, those
2133 programs would require the presense of libraries that otherwise
2134 could be removed from a rescuse diskette.
2135
2136 The ss include files are now installed correctly so they can
2137 actually be used by another package.
2138
2139 If the profiling libraries are built, they are now installed on a
2140 "make install-libs".
2141
2142
Theodore Ts'o7f88b041997-04-26 14:48:50 +00002143E2fsprogs 1.03 (March 27, 1996)
2144===============================
2145
2146Change the m68k bit numbering for bitmasks to match the bit numbering
2147used by all other ext2 implementations. (This change was requested by
2148the m68k kernel development team.)
2149
2150Support (in-development) filesystem format revision which supports
2151(among other things) dynamically sized inodes.
2152
2153Fixed a bug in the ext2 library so that an intelligent error is
2154returned if mke2fs is run with a ridiculously small number of blocks
2155for a partition.
2156
2157Fixed a bug in the ext2 library which required that the device be
2158openable in read/write mode in order to determine its size. This
2159caused e2fsck -n to require read/write access when it was not
2160previously necessary.
2161
2162Fixed a bug in e2fsck which casued it to occasionally fail the test
2163suite depending on which version of the floating point library it was
2164using.
2165
2166Fixed a bug in e2fsck so that it now halts with a fatal error when
2167certain superblock consistency checks fail. Previously it continued
2168running e2fsck, with some potential confusing/damaging consequences.
2169
2170Added new flag to fsck which allows the root to be checked in parallel
2171with other filesytems. This is not the safest thing in the world to
2172do, but some system administrators really wanted it.
2173
Theodore Ts'ofc6d9d51997-04-29 14:51:31 +00002174Fixed -Wall flames in lib/ss.
2175
Theodore Ts'o74becf31997-04-26 14:37:06 +00002176
2177E2fsprogs 1.02 (January 16, 1996)
2178=================================
2179
2180Fix to allow e2fsprogs to be compiled on recent 1.3 (pl45+) kernels.
2181
2182Change e2fsck to print statistics of how many non-contiguous files are
2183on the system. Note that a file which is larger than 8k blocks, it is
2184guaranteed to be non-contiguous.
2185
2186In mke2fs, print a warning message if a user tries to format a whole
2187disk (/dev/hda versus /dev/hda1). If a user really wants to format a
2188whole disk, the -F (force) option forces mke2fs to format a whole disk
2189as a filesytem.
2190
2191Fix a bug in fsck where in some cases it might start checking
2192partitions in the next pass before it finishes checking partitions in
2193the current pass. This still won't cause two partitions on the same
2194disk will be checked, so it's rarely a problem in real life.
2195
2196Patch lsattr so that it won't hang when checking a named pipe.
2197
2198Minor compilation fixes:
2199 * Fix the order of libraries that were linked in debugfs.
2200 * Allow the sources to be compiled with -ansi turned on.