mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-11-18 23:54:26 +08:00
1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
344 lines
9.1 KiB
Plaintext
344 lines
9.1 KiB
Plaintext
(Note: I consider version numbers as cheap. That means
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that I do not like numbers like 0.1 and the like for
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things that can be used since quite some time. But
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then, 3.1 doesn't mean 'perfectly stable', too.)
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Known bugs:
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-----------
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- Doesn't work on the alpha. The only 64/32-bit
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problem that I'm aware of (pointer/int conversion
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in readdir()) gives compiler warnings but is
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apparently not causing the failure, as directory
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reads basically work (but all files are of size 0).
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Alas, I've got no alpha to debug. :-(
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- The partition checker (drivers/block/genhd.c)
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doesn't work with devices which have 256 byte
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blocks (some very old SCSI drives).
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- The feature to automatically make the fs clean
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might leave a trashed file system with the
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bitmap flag set valid.
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- When a file is truncated to a size that is not
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a multiple of the blocksize, the rest of the
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last allocated block is not cleared. Well,
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this fs never claimed to be Posix conformant.
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Please direct bug reports to: zippel@linux-m68k.org
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Version 3.20
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------------
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- kill kernel lock
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- fix for a possible bitmap corruption
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Version 3.19
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------------
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- sizeof changes from Kernel Janitor Project
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- several bug fixes found with fsx
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Version 3.18
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------------
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- change to global min macro + warning fixes
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- add module tags
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Version 3.17
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------------
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- locking fixes
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- wrong sign in __affs_hash_dentry
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- remove unnecessary check in affs_new_inode
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- enable international mode for dircache fs
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Version 3.16
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------------
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- use mark_buffer_dirty_inode instead of mark_buffer_dirty.
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- introduce affs_lock_{link|dir|ext}.
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Version 3.15
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------------
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- disable link to directories until we can properly support them.
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- locking fixes for link creation/removal.
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Version 3.14
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------------
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- correctly cut off long file names for compares
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- correctly initialize s_last_bmap
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Version 3.13
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------------
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Major cleanup for 2.4 [Roman Zippel]
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- new extended block handling
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- new bitmap allocation functions
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- locking should be safe for the future
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- cleanup of some interfaces
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Version 3.12
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------------
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more 2.4 fixes: [Roman Zippel]
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- s_lock changes
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- increased getblock mess
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- clear meta blocks
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Version 3.11
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------------
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- Converted to use 2.3.x page cache [Dave Jones <dave@powertweak.com>]
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- Corruption in truncate() bugfix [Ken Tyler <kent@werple.net.au>]
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Version 3.10
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------------
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- Changed partition checker to allow devices
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with physical blocks != 512 bytes.
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- The partition checker now also ignores the
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word at 0xd0 that Windows likes to write to.
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Version 3.9
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-----------
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- Moved cleanup from release_file() to put_inode().
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This makes the first one obsolete.
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- truncate() zeroes the unused remainder of a
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partially used last block when a file is truncated.
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It also marks the inode dirty now (which is not
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really necessary as notify_change() will do
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it anyway).
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- Added a few comments, fixed some typos (and
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introduced some new ones), made the debug messages
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more consistent. Changed a bad example in the
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doc file (affs.txt).
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- Sets the NOEXEC flag in read_super() for old file
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systems, since you can't run programs on them.
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Version 3.8
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-----------
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Bill Hawes kindly reviewed the affs and sent me the
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patches he did. They're marked (BH). Thanks, Bill!
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- Cleanup of error handling in read_super().
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Didn't release all resources in case of an
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error. (BH)
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- put_inode() releases the ext cache only if it's
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no longer needed. (BH)
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- One set of dentry callbacks is enough. (BH)
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- Cleanup of error handling in namei.c. (BH)
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- Cleanup of error handling in file.c. (BH)
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- The original blocksize of the device is
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restored when the fs is unmounted. (BH)
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- getblock() did not invalidate the key cache
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when it allocated a new block.
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- Removed some unnecessary locks as Bill
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suggested.
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- Simplified match_name(), changed all hashing
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and case insensitive name comparisons to use
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uppercase. This makes the tolower() routines
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obsolete.
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- Added mount option 'mufs' to force muFS
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uid/gid interpretation.
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- File mode changes were not updated on disk.
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This was fixed before, but somehow got lost.
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Version 3.7
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-----------
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- Added dentry callbacks to allow the dcache to
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operate case insensitive and length ignorant
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like the affs itself.
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- getblock() didn't update the lastblock field in the
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inode if the fs was not an OFS. This bug only shows
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up if a file was enlarged via truncate() and there
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was not enough space.
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- Remove some more superfluous code left over from
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the old link days ...
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- Fixed some oversights which were in patch 2.1.78.
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- Fixed a few typos.
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Version 3.6
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-----------
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- dentry changes. (Thanks to Jes Sorensen for his help.)
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- Fixed bug in balloc(): Superblock was not set dirty after
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the bitmap was changed, so the bitmap wasn't sync'd.
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- Fixed nasty bug in find_new_zone(): If the current
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zone number was zero, the loop didn't terminate,
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causing a solid lock-up.
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- Removed support for old-style directory reads.
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- Fixed bug in add_entry(): When doing a sorted insert,
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the pointer to the next entry in the hash chain wasn't
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correctly byte-swapped. Since most of the users of the
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affs use it on a 68k, they didn't notice. But why did
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I not find this during my tests?
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- Fixed some oversights (version wasn't updated on some
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directory changes).
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- Handling of hard links rewritten. To the VFS
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they appear now as normal Unix links. They are
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now resolved only once in lookup(). The backside
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is that unlink(), rename() and rmdir() have to
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be smart about them, but the result is worth the
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effort. This also led to some code cleanup.
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- Changed name type to unsigned char; the test for
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invalid filenames didn't work correctly.
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(Thanks to Michael Krause for pointing at this.)
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- Changed mapping of executable flag.
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- Changed all network byte-order macros to the
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recommended ones.
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- Added a remount function, so attempts to remount
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a dircache filesystem or one with errors read/write
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can be trapped. Previously, ro remounts didn't
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flush the super block, and rw remounts didn't
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create allocation zones ...
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- Call shrink_dcache_parent() in rmdir().
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(Thanks to Bill Hawes.)
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- Permission checks in unlink().
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- Allow mounting of volumes with superfluous
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bitmap pointers read only, also allows them
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to be remounted read/write.
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- Owner/Group defaults now to the fs user (i.e.
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the one that mounted it) instead of root. This
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obsoletes the mount options uid and gid.
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- Argument to volume option could overflow the
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name buffer. It is now silently truncated to
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30 characters. (Damn it! This kind of bug
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is too embarrassing.)
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- Split inode.c into 2 files, the superblock
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routines desperately wanted their own file.
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- truncate() didn't allocate an extension block
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cache. If a file was extended by means of
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truncate(), this led to an Oops.
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- fsuser is now checked last.
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- rename() will not ignore changes in filename
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casing any more (though mv(1) still won't allow
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you to do "mv oldname OldName").
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Version 3.5
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-----------
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- Extension block caches are now allocated on
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demand instead of when a file is opened, as
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files can be read and written without opening
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them (e. g. the loopback device does this).
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- Removed an unused function.
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Version 3.4
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-----------
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- Hash chains are now sorted by block numbers.
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(Thanks to Kars de Jong for finding this.)
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- Removed all unnecessary external symbols.
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Version 3.3
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-----------
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- Tried to make all types 'correct' and consistent.
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- Errors and warnings are now reported via a
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function. They are all prefixed by a severity
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and have the same appearance:
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"AFFS: <function>: <error message>"
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(There's one exception to this, as in that function
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is no pointer to the super block available.)
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- The filesystem is remounted read-only after an
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error.
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- The names of newly created filesystem objects are
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now checked for validity.
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- Minor cleanups in comments.
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- Added this Changes file. At last!
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Version 3.2
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-----------
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- Extension block cache: Reading/writing of huge files
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(several MB) is much faster (of course the added
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overhead slows down opening, but this is hardly
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noticeable).
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- The same get_block()-routine can now be used for
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both OFS and FFS.
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- The super block is now searched in the block that
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was calculated and in the one following. This
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should remedy the round-off error introduced by
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the 1-k blocks that Linux uses.
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- Minor changes to adhere to the new VFS interface.
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- The number of used blocks is now also calculated
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if the filesystem is mounted read-only.
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- Prefixed some constants with AFFS_ to avoid name
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clashes.
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- Removed 'EXPERIMENTAL' status.
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Version 3.1
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-----------
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- Fixed a nasty bug which didn't allow read-only
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mounts.
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- Allow dir-cache filesystems to be mounted
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read only.
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- OFS support.
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- Several other changes I just cannot remember
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any more.
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Version 3.0
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-----------
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- Almost complete rewrite for the new VFS
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interface in Linux 1.3.
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- Write support.
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- Support for hard and symbolic links.
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- Lots of things I remember even less ...
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Version 2.0
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-----------
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- Fixed a few things to get it compiled.
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- Automatic root block calculation.
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- Partition checker for genhd.c
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========================================
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Let's just call Ray Burr's original affs
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'Version 1.0'.
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