SCSI reservation/reset handling

- Make both the old and the new error handlers respond correctly
  to reservation conflicts (i.e. return an I/O error).

- Add a scsi_reset_provider() function for use by the sg driver
  SCSI reset facility.

- fork off 2.5.0, change version numbers

  - Jan Kara: fix quota SMP races with BKL

  - David Brownell: usbnet update
  - Greg KH: USB and PCI hotplug update
  - Ingo/me: fix SCHED_FIFO for UP/SMP for good (flw).
  - Add back direct_IO now that it works again.

  - Richard Henderson: alpha update
  - Andrew Morton: fix ext3/minix/sysv fsync behaviour.

  - Jeff Garzik: network driver updates
  - Christoph Hellwig: UFS filesystem byteorder cleanups
  - me: modified Andrea VM page allocator tuning

  - Russell King: /proc/cpuinfo for ARM
  - Paul Mackerras: PPC update (cpuinfo etc)
  - Nicolas Aspert: fix Intel 8xx agptlb flush
  - Marko Myllynen: "Lindent" doesn't really need bash ;)
  - Alexander Viro: /proc/cpuinfo for s390/s390x/sh, /proc/pci cleanup
  - Alexander Viro: make lseek work on seqfiles

  - Greg KH: enable hotplug driver support
  - Andrea Arcangeli: remove bogus sanity check
  - David Mosberger: /proc/cpuinfo and scsi scatter-gather for ia64
  - David Hinds: 16-bit pcmcia network driver updates/cleanups
  - Hugh Dickins: remove some stale code from VM
  - David Miller: /proc/cpuinfo for sparc, sparc fork bug fix, network
  fixes, warning fixes
  - Peter Braam: intermezzo update
  - Greg KH: USB updates
  - Ivan Kokshaysky: /proc/cpuinfo for alpha
  - David Woodhouse: jffs2 - remove dead code, remove gcc3 warning
  - Hugh Dickins: fix kiobuf page allocation/deallocation

  - Mikael Pettersson: make proc_misc happy without modules
  - Arjan van de Ven: clean up acpitable implementation ("micro-acpi")
  - Anton Altaparmakov: LDM partition code update
  - Alan Cox: final (yeah, sure) small missing pieces
  - Andrey Savochkin/Andrew Morton: eepro100 config space save/restore over suspend
  - Arjan van de Ven: remove power from pcmcia socket on card remove
  - Greg KH: USB updates
  - Neil Brown: multipath updates
  - Martin Dalecki: fix up some "asmlinkage" routine markings

  - Alan Cox: more driver merging
  - Al Viro: make ext2 group allocation more readable

  - Ivan Kokshaysky: fix alpha dec_and_lock with modules, for alpha config entry
  - Kai Germaschewski: ISDN updates
  - Jeff Garzik: network driver updates, sysv fs update
  - Kai Mäkisara: SCSI tape update
  - Alan Cox: large drivers merge
  - Nikita Danilov: reiserfs procfs information
  - Andrew Morton: ext3 merge
  - Christoph Hellwig: vxfs livelock fix
  - Trond Myklebust: NFS updates
  - Jens Axboe: cpqarray + cciss dequeue fix
  - Tim Waugh: parport_serial base_baud setting
  - Matthew Dharm: usb-storage Freecom driver fixes
  - Dave McCracken: wait4() thread group race fix

  - me: fix page flags race condition Andrea found
  - David Miller: sparc and network updates
  - various: fix loop driver that thought it was part of the VM system
  - me: teach DRM about VM_RESERVED
  - Alan Cox: more merging

  - David Miller: sparc/scsi scatterlist fixes
  - Martin Mares: PCI ids, email address update
  - David Miller: revert TCP hash optimizations that need more checking
  - Ivan Kokshaysky/Richard Henderson: alpha update (atomic_dec_and_lock etc)
  - Peter Anvin: cramfs/zisofs missing pieces

  - Andrea: fix races in do_wp_page, free_swap_and_cache
  - me: clena up page dirty handling
  - Tim Waugh: parport IRQ probing and documentation fixes
  - Greg KH: USB updates
  - Michael Warfield: computone driver update
  - Randy Dunlap: add knowledge about some new io-apics
  - Richard Henderson: alpha updates
  - Trond Myklebust: make readdir xdr verify the reply packet
  - Paul Mackerras: PPC update
  - Jens Axboe: make cpqarray and cciss play nice with the request layer
  - Massimo Dal Zotto: SMM driver for Dell Inspiron 8000
  - Richard Gooch: devfs symlink deadlock fix
  - Anton Altaparmakov: make NTFS compile on sparc

  - me: reinstate "delete swap cache on low swap" code
  - David Miller: ksoftirqd startup race fix
  - Hugh Dickins: make tmpfs free swap cache entries proactively

  - me: remember to bump the version number ;)
  - Hugh Dickins: export "free_lru_page()" for modules
  - Jeff Garzik: don't change nopage arguments, just make the last a dummy one
  - David Miller: sparc and net updates (netfilter, VLAN etc)
  - Nikita Danilov: reiserfs cleanups
  - Jan Kara: quota initialization race
  - Tigran Aivazian: make the x86 microcode update driver happy about
  hyperthreaded P4's
  - me: shrink dcache/icache more aggressively
  - me: fix up oom-killer so that it actually works

  - Andrew Morton: remove stale UnlockPage
  - me: swap cache page locking update

  - Mikael Pettersson: fix P4 boot with APIC enabled
  - me: fix device queuing thinko, clean up VM locking

  - René Scharfe: random bugfix
  - me: block device queuing low-water-marks, VM mapped tweaking.

  - Alan Cox: more merging
  - Alexander Viro: block device module race fixes
  - Richard Henderson: mmap for 32-bit alpha personality
  - Jeff Garzik: 8139 and natsemi update

  - Michael Warfield: computone serial driver update
  - Alexander Viro: cdrom module race fixes
  - David Miller: Acenic driver fix
  - Andrew Grover: ACPI update
  - Kai Germaschewski: ISDN update
  - Tim Waugh: parport update
  - David Woodhouse: JFFS garbage collect sleep

  - page write-out throttling
  - Pete Zaitcev: ymfpci sound driver update (make Civ:CTP happy with it)
  - Alan Cox: i2o sync-up
  - Andrea Arcangeli: revert broken x86 smp_call_function patch
  - me: handle VM write load more gracefully. Merge parts of -aa VM

  - Stephen Rothwell: APM idle time handling fixes, docbook update, cleanup
  - Jeff Garzik: network driver updates
  - Greg KH: USB updates
  - Al Viro: UFS update, binfmt_misc rewrite.
  - Andreas Dilger: /dev/random fixes
  - David Miller: network/sparc updates

  - Greg KH: usbnet fix
  - Johannes Erdfelt: uhci.c bulk queueing fixes

  - Al Viro: mnt_list init
  - Jeff Garzik: network driver update (license tags, tulip driver)
  - David Miller: sparc, net updates
  - Ben Collins: firewire update
  - Gerd Knorr: btaudio/bttv update
  - Tim Hockin: MD cleanups
  - Greg KH, Petko Manolov: USB updates
  - Leonard Zubkoff: DAC960 driver update

  - Jens Axboe: clean up duplicate unused request list
  - Jeff Mahoney: reiserfs endianness finishing touches
  - Hugh Dickins: some further swapoff fixes and cleanups
  - prepare-for-Alan: move drivers/i2o into drivers/message/i2o
  - Leonard Zubkoff: 2TB disk device fixes
  - Paul Schroeder: mwave config enable
  - Urban Widmark: fix via-rhine double free..
  - Tom Rini: PPC fixes
  - NIIBE Yutaka: SuperH update

  - Alan Cox: more merging
  - Ben Fennema: UDF module license
  - Jeff Mahoney: reiserfs endian safeness
  - Chris Mason: reiserfs O_SYNC/fsync performance improvements
  - Jean Tourrilhes: wireless extension update
  - Joerg Reuter: AX.25 updates
  - David Miller: 64-bit DMA interfaces

  - Trond Myklebust: deadlock checking in lockd server
  - Tim Waugh: fix up parport wrong #define
  - Christoph Hellwig: i2c update, ext2 cleanup
  - Al Viro: fix partition handling sanity check.
  - Trond Myklebust: make NFS use SLAB_NOFS, and not play games with PF_MEMALLOC
  - Ben Fennema: UDF update
  - Alan Cox: continued merging
  - Chris Mason: get /proc buffer memory sizes right after buf-in-page-cache

  - Greg KH: USB update (fix UHCI timeouts, serial unplug)
  - Christoph Rohland: shmem locking fixes
  - Al Viro: more mount cleanup
  - me: fix bad interaction with link_count handling
  - David Miller: Sparc updates, net cleanup
  - Tim Waugh: parport update
  - Jeff Garzik: net driver updates

  - Jeff Garzik: net driver updates
  - me: symlink attach fix
  - Greg KH: USB update
  - Rui Sousa: emu10k driver update

  - various: fix some module exports uncovered by stricter error checking
  - Urban Widmark: make smbfs use same error define names as samba and win32
  - Greg KH: USB update
  - Tom Rini: MPC8xx ppc update
  - Matthew Wilcox: rd.c page cache flushing fix
  - Richard Gooch: devfs race fix: rwsem for symlinks
  - Björn Wesen: Cris arch update
  - Nikita Danilov: reiserfs cleanup
  - Tim Waugh: parport update
  - Peter Rival: update alpha SMP bootup to match wait_init_idle fixes
  - Trond Myklebust: lockd/grace period fix

  - Keith Owens: module exporting error checking
  - Greg KH: USB update
  - Paul Mackerras: clean up wait_init_idle(), ppc prefetch macros
  - Jan Kara: quota fixes
  - Abraham vd Merwe: agpgart support for Intel 830M
  - Jakub Jelinek: ELF loader cleanups
  - Al Viro: more cleanups
  - David Miller: sparc64 fix, netfilter fixes
  - me: tweak resurrected oom handling

  - Al Viro: separate out superblocks and FS namespaces: fs/super.c fathers
  fs/namespace.c
  - David Woodhouse: large MTD and JFFS[2] update
  - Marcelo Tosatti: resurrect oom handling
  - Hugh Dickins: add_to_swap_cache racefix cleanup
  - Jean Tourrilhes: IrDA update
  - Martin Bligh: support clustered logical APIC for >8 CPU x86 boxes
  - Richard Henderson: alpha update

  - Al Viro: superblock cleanups, partition handling fixes and cleanups
  - Ben Collins: firewire update
  - Jeff Garzik: network driver updates
  - Urban Widmark: smbfs updates
  - Kai Mäkisara: SCSI tape driver update
  - various: embarrassing lack of error checking in ELF loader
  - Neil Brown: md formatting cleanup.

  - me/Al Viro: fix bdget() oops with block device modules that don't
  clean up after they exit
  - Alan Cox: continued merging (drivers, license tags)
  - David Miller: sparc update, network fixes
  - Christoph Hellwig: work around broken drivers that add a gendisk more
  than once
  - Jakub Jelinek: handle more ELF loading special cases
  - Trond Myklebust: NFS client and lockd reclaimer cleanups/fixes
  - Greg KH: USB updates
  - Mikael Pettersson: sparate out local APIC / IO-APIC config options

  - Chris Mason: fix ppp race conditions
  - Al Viro: block device cleanups/fixes
  - Anton Altaparmakov: NTFS 1.1.20 update
  - Andrea Arcangeli: VM tweaks

  - more buffers-in-pagecache coherency

  - more buffers-in-pagecache coherency

  - more buffers-in-pagecache coherency

  - me/al/andrea: buffers-in-pagecache coherency, buffer.c cleanups