*Exactly* what I was looking for; thanks a lot! Can't wait to see them
Sean P. Elble
Independent Systems/Network Engineer
Caldera Accredited Partner
SES Computer Systems
>From: owner-linux-xfs@xxxxxxxxxxx [mailto:owner-linux-xfs@xxxxxxxxxxx]On
>Behalf Of Eric Sandeen
>Sent: Thursday, March 21, 2002 9:34 PM
>To: Sean Elble
>Subject: RE: [Announce] XFS 1.1 Prerelease 2 available for testing
>On Thu, 21 Mar 2002, Sean Elble wrote:
>> Any information on specific changes since the 1.0x releases? I know about
>> the ACL/EA interface changes, and obviously there has been lots of bug
>> fixes, but what about other changes, like performance
>enhancements, etc? I
>> know the changes will be in the Changelog in the tarball, but I'm on a
>> Windows machine; can't easily grab those. :-(
>Just got this together - probably _too_ detailed at this point. I'll try
>to do one that's a bit more of an overview. I also plan to do some
>benchmarking between the 1.0.2 release and this one.
>CHANGES since 1.0.2:
>* Remove most synchronous transactions - faster deletes, fewer
>chances for null files after a crash!
>* Various error code return fixes
>* Restrict inodes to 32 bits on large filesystems (override w/
>* Fix concurrent file and mmapped I/O
>* Fix dbench hangs on low memory systems
>* Fix recovery of device special inodes
>* Fix mount argument parsing
>* Various pagebuf reorganization, simplification, and cleanup
>* Fix parallel direct and buffered I/O
>* Code merges from irix
>* Pagebuf merged into xfs
>* Fix out-of-line extended attribute data
>* Fix forced shutdown bug that overwrote superblock :(
>* Improve memory allocation when not in a transaction
>* Limit max file size to something Linux can handle
>* Some realtime device fixes (still not complete)
>* Clean up xfs_freeze path
>* Report filesystem name on duplicate UUID mount failure.
>* Shrink xfs inode size
>* Fix some direct I/O corner cases
>* Fix mount with bad log or realtime device options
>* Make "osyncisdsync" the default on xfs filesystems
>* Restrict chown to file's owner, or someone w/ the right capability
>* Upgrade quota to Jan Kara's 32-bit VFS quota
>* fix memory leak in O_DIRECT read path
>* Use new reserved ea/acl syscall numbers
>* Fix some sparc64 compile problems
>* Make xfs superblock coherent with block layer
>* Pagebuf use after free fix
>* Don't allow quota flag changes on read-only device
>* Make xfs metadata accesses refresh pages, keep them in the cache
>* Fix sgid inheritence for root
>* Correct utime permissions checking
>* Reduce xfs log memory usage
>* Fix a bug in memory freeing
>* Man page updates from Andreas
>* Test script updates from Andreas
>* Clean up the --default option handling in setfacl. The old
> workarounds caused a bug for unusual input.
>* Changes to the --test output format setfacl generates: ACLs that
> are not changed are now displayed as `*'.
>* Fix a bug in setfacl/sequence.c:seq_delete_cmd().
>* Minor changes to test scripts
>* Apply several patches from Andreas, namely:
>* man page fixes
>* libacl code reformatting
>* acl_from_text errno handling
>* Apply Andreas Gruenbacher's diffs.
>* Fix up chacl for deletion of access ACL to be in line with Andreas.
>* Incorporate the Debian packaging again.
>* Reworked to use the new official system call API.
>* Sync up with the XFS project, the SGI folk now use this source.
>* Jumped to version 2 to allow XFS users to upgrade
> (Rationale: the XFS ACL user tools were at version 1.1.X, and
> packaging tools like rpm, dpkg, etc. must be presented with a
> greater version number to allow an upgrade to proceed).
>* Added the chacl command to ease migration for existing XFS users,
> and for compatibility with IRIX.
>* Added a flag to allow acl_print to produce a single-line ACL, in
> addition to the multi-line format.
>* Extended attribute documentation has moved into the extended
> attribute package from SGI ("attr"), this ACL package now deals
> exclusively with ACLs.
>* acl_from_text sometimes did not set errno when failing.
>* Moved files and simplified #includes in libacl
>* Add MIPS/MIPS64 system call numbers
>* Fix build for architectures which don't have syscalls yet
>* Fix the syscall number used on Sparc for fremovexattr(2)
>* Test script updates
>* Man page updates
>* A minor change to the test/run script
>* add in ARM architecture system call numbers
>* updates to the test output from Andreas
>* add in S/390 system call numbers from Martin Schwidefsky
>* revert IA64 syscall numbering after further mail with
> David Mosberger (apparently sys_tkill will be moved)
> See: https://external-lists.valinux.com/archives/\
>* incorporate several documentation changes from Andreas,
> including a script to convert from the aget format of
> attribute backup file, to the new getfattr format
>* fix IA64 syscall numbering
>* initial introduction of the new system call interface
>* synced up with the ext2 project, incorporated get/set tools
>* new man pages for system calls, getfattr(1) and setfattr(1)
>* made the attributes.h interface align properly with IRIX
>* The kernel-side of dmapi is now a module, and the device has
> moved. Change dmapi to use the dmapi device in its new
> location of /proc/fs/xfs_dmapi.
>* Fall back to BLKGETSIZE if BLKGETSIZE64 fails
>* Sync user/kernel headers and shared code
>* Major release to coincide with switch to new extended
> attributes system call interfaces
>* bumped version of libhandle, added new symbols to use
> the reworked extended attributes handle ioctl interface
>* xfs_repair in no-modify mode opens the filesystem device
> read-only now (fix from Chris Pascoe)
>* sync up with recent (minor) changes to shared kernel code
>* switch to using the BLKGETSIZE64 ioctl in libxfs, instead
> of the (previously busted) BLKGETSIZE ioctl
>* fix xfs_repair option parsing for external logs
>* add xfs_repair option parsing for realtime device
>* fix xfs_repair version (-V) option - should not
> require an argument
>* add -V option to usage string
>* document verbose (-v) and -r options in manpage
>* fix mkfs.xfs buglet in overwriting signatures when run
> on a regular file
>* mkfs.xfs overwrites pre-existing filesystem, swap, or md
> driver signatures.
>* xfs_repair fix to prevent double insertion into the
> uncertain_inode AVL trees ("avl_insert: duplicate range")
>* xfs_repair fix if the log is corrupted and we can't find
> the head, don't exit - just proceed on with zeroing it
>* use snprintf instead of sprintf throughout
>* added text dump type to xfs_db (mkp)
>* removed use of a temporary file in xfs_db when processing
> commands on the command line - allows xfs_check to be run
> on read-only root filesystems
>* reenable the use of the BLKBSZSET ioctl, its baaack
>* sync recent XFS kernel source changes back into libxfs
>* fix minor debian package version numbering issue
>* add documentation for xfs_db(8) label/uuid commands
>* automatic inode sizing code in mkfs.xfs has been removed
> (restricting inodes to 32 bits) - Steve's recent kernel
> changes mean this is no longer an issue
>* fix bug in mkfs.xfs size cross-check for realtime device
>* rework all code dealing with extended attributes to use
> the new system calls (requires attr-2.0.0 or greater)
>* also, the attrctl-by-handle ioctl is history, replaced
> by libhandle routines - more like what we have in IRIX
> (requires xfsprogs-2.0.0 or greater)
>* effectively no-op change (cleanup) - switch over to using
> XFS_IOC_FSGEOMETRY instead of XFS_IOC_GETFSUUID ioctl, so
> we can deprecate that "special" UUID ioctl in the kernel.
>* add -q description to xfsdump/xfsrestore man pages and
> usage text.
>* change failed bulkstat WARNING to a TRACE message to that
> it doesn't bother people.
>* avoid a possible assertion failure for cumulative restores
> with -B option.
>* fix xfsrestore so that cumulative restores (with -r)
> will successfully delete removed directories whose
> files have also been removed.
> Previously, the files weren't removed until later,
> which meant that early directory removal failed.
> SGI bug#844219.
>* fix xfsdump so that if an inode# is reused in the time
> between building the inode map and pruning the inode map
> (in phase 3 when some dirs are marked as not changed),
> that it no longer aborts with an assertion failure.
> SGI bug#846374.
>* add new -B option to xfsrestore to correctly assign
> ownership and permissions of the dump root directory
> to the destination directory
>* port back IRIX changes primarily to xfsrestore for
> improving performance when one has over a million files
>* some extra mlogs (messages) for dump estimates,
> dir tree diagnostics, type of dump format being used
>* various fixes for restore with multiple threads
> and extended attributes (note: multiple threads not
> implemented on Linux yet)
>* fix xfsdump to endian convert all of the record header
> fields properly just prior to writing the header out
> (in particular first_mark_offset).
> This caused do_next_mark() assertion failures at some
>* fix xfsrestore so that it doesn't delete hardlinks
> on alternate cumulative restores
>* allow xfsdump to exclude files based on whether they have
> a certain extended attribute set
>* don't include /var/lib/xfsdump in the dump
>* Updated documentation.