This patch removes an ancient changelog file.
Signed-off-by: Adrian Bunk <[email protected]>
---
This patch was already sent on:
- 31 Oct 2005
fs/ext2/CHANGES | 157 ------------------------------------------------
1 file changed, 157 deletions(-)
--- linux-2.6.14-rc5-mm1-full/fs/ext2/CHANGES 2005-08-29 01:41:01.000000000 +0200
+++ /dev/null 2005-04-28 03:52:17.000000000 +0200
@@ -1,157 +0,0 @@
-Changes from version 0.5a to version 0.5b
-=========================================
- - Now that we have sysctl(), the immutable flag cannot be changed when
- the system is running at security level > 0.
- - Some cleanups in the code.
- - More consistency checks on directories.
- - The ext2.diff patch from Tom May <[email protected]> has been
- integrated. This patch replaces expensive "/" and "%" with
- cheap ">>" and "&" where possible.
-
-Changes from version 0.5 to version 0.5a
-========================================
- - Zero the partial block following the end of the file when a file
- is truncated.
- - Dates updated in the copyright.
- - More checks when the filesystem is mounted: the count of blocks,
- fragments, and inodes per group is checked against the block size.
- - The buffers used by the error routines are now static variables, to
- avoid using space on the kernel stack, as requested by Linus.
- - Some cleanups in the error messages (some versions of syslog contain
- a bug which truncates an error message if it contains '\n').
- - Check that no data can be written to a file past the 2GB limit.
- - The famous readdir() bug has been fixed by Stephen Tweedie.
- - Added a revision level in the superblock.
- - Full support for O_SYNC flag of the open system call.
- - New mount options: `resuid=#uid' and `resgid=#gid'. `resuid' causes
- ext2fs to consider user #uid like root for the reserved blocks.
- `resgid' acts the same way with group #gid. New fields in the
- superblock contain default values for resuid and resgid and can
- be modified by tune2fs.
- Idea comes from Rene Cougnenc <[email protected]>.
- - New mount options: `bsddf' and `minixdf'. `bsddf' causes ext2fs
- to remove the blocks used for FS structures from the total block
- count in statfs. With `minixdf', ext2fs mimics Minix behavior
- in statfs (i.e. it returns the total number of blocks on the
- partition). This is intended to make bde happy :-)
- - New file attributes:
- - Immutable files cannot be modified. Data cannot be written to
- these files. They cannot be removed, renamed and new links cannot
- be created. Even root cannot modify the files. He has to remove
- the immutable attribute first.
- - Append-only files: can only be written in append-mode when writing.
- They cannot be removed, renamed and new links cannot be created.
- Note: files may only be added to an append-only directory.
- - No-dump files: the attribute is not used by the kernel. My port
- of dump uses it to avoid backing up files which are not important.
- - New check in ext2_check_dir_entry: the inode number is checked.
- - Support for big file systems: the copy of the FS descriptor is now
- dynamically allocated (previous versions used a fixed size array).
- This allows to mount 2GB+ FS.
- - Reorganization of the ext2_inode structure to allow other operating
- systems to create specific fields if they use ext2fs as their native
- file system. Currently, ext2fs is only implemented in Linux but
- will soon be part of Gnu Hurd and of Masix.
-
-Changes from version 0.4b to version 0.5
-========================================
- - New superblock fields: s_lastcheck and s_checkinterval added
- by Uwe Ohse <[email protected]> to implement timedependent checks
- of the file system
- - Real random numbers for secure rm added by Pierre del Perugia
- <[email protected]>
- - The mount warnings related to the state of a fs are not printed
- if the fs is mounted read-only, idea by Nick Holloway
- <[email protected]>
-
-Changes from version 0.4a to version 0.4b
-=========================================
- - Copyrights changed to include the name of my laboratory.
- - Clean up of balloc.c and ialloc.c.
- - More consistency checks.
- - Block preallocation added by Stephen Tweedie.
- - Direct reads of directories disallowed.
- - Readahead implemented in readdir by Stephen Tweedie.
- - Bugs in block and inodes allocation fixed.
- - Readahead implemented in ext2_find_entry by Chip Salzenberg.
- - New mount options:
- `check=none|normal|strict'
- `debug'
- `errors=continue|remount-ro|panic'
- `grpid', `bsdgroups'
- `nocheck'
- `nogrpid', `sysvgroups'
- - truncate() now tries to deallocate contiguous blocks in a single call
- to ext2_free_blocks().
- - lots of cosmetic changes.
-
-Changes from version 0.4 to version 0.4a
-========================================
- - the `sync' option support is now complete. Version 0.4 was not
- supporting it when truncating a file. I have tested the synchronous
- writes and they work but they make the system very slow :-( I have
- to work again on this to make it faster.
- - when detecting an error on a mounted filesystem, version 0.4 used
- to try to write a flag in the super block even if the filesystem had
- been mounted read-only. This is fixed.
- - the `sb=#' option now causes the kernel code to use the filesystem
- descriptors located at block #+1. Version 0.4 used the superblock
- backup located at block # but used the main copy of the descriptors.
- - a new file attribute `S' is supported. This attribute causes
- synchronous writes but is applied to a file not to the entire file
- system (thanks to Michael Kraehe <[email protected]> for
- suggesting it).
- - the directory cache is inhibited by default. The cache management
- code seems to be buggy and I have to look at it carefully before
- using it again.
- - deleting a file with the `s' attribute (secure deletion) causes its
- blocks to be overwritten with random values not with zeros (thanks to
- Michael A. Griffith <[email protected]> for suggesting it).
- - lots of cosmetic changes have been made.
-
-Changes from version 0.3 to version 0.4
-=======================================
- - Three new mount options are supported: `check', `sync' and `sb=#'.
- `check' tells the kernel code to make more consistency checks
- when the file system is mounted. Currently, the kernel code checks
- that the blocks and inodes bitmaps are consistent with the free
- blocks and inodes counts. More checks will be added in future
- releases.
- `sync' tells the kernel code to use synchronous writes when updating
- an inode, a bitmap, a directory entry or an indirect block. This
- can make the file system much slower but can be a big win for files
- recovery in case of a crash (and we can now say to the BSD folks
- that Linux also supports synchronous updates :-).
- `sb=#' tells the kernel code to use an alternate super block instead
- of its master copy. `#' is the number of the block (counted in
- 1024 bytes blocks) which contains the alternate super block.
- An ext2 file system typically contains backups of the super block
- at blocks 8193, 16385, and so on.
- - I have change the meaning of the valid flag used by e2fsck. it
- now contains the state of the file system. If the kernel code
- detects an inconsistency while the file system is mounted, it flags
- it as erroneous and e2fsck will detect that on next run.
- - The super block now contains a mount counter. This counter is
- incremented each time the file system is mounted read/write. When
- this counter becomes bigger than a maximal mount counts (also stored
- in the super block), e2fsck checks the file system, even if it had
- been unmounted cleanly, and resets this counter to 0.
- - File attributes are now supported. One can associate a set of
- attributes to a file. Three attributes are defined:
- `c': the file is marked for automatic compression,
- `s': the file is marked for secure deletion: when the file is
- deleted, its blocks are zeroed and written back to the disk,
- `u': the file is marked for undeletion: when the file is deleted,
- its contents are saved to allow a future undeletion.
- Currently, only the `s' attribute is implemented in the kernel
- code. Support for the other attributes will be added in a future
- release.
- - a few bugs related to times updates have been fixed by Bruce
- Evans and me.
- - a bug related to the links count of deleted inodes has been fixed.
- Previous versions used to keep the links count set to 1 when a file
- was deleted. The new version now sets links_count to 0 when deleting
- the last link.
- - a race condition when deallocating an inode has been fixed by
- Stephen Tweedie.
-
-
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