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The extern function definitions are kernel-internal definitions, so
they belong in md_k.h
The MD_*_VERSION values could reasonably go in a number of places,
but md_u.h seems most reasonable.
This leaves almost nothing in md.h. It will go soon.
Signed-off-by: NeilBrown <neilb@suse.de>
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.. as they are part of the user-space interface.
Also move MdpMinorShift into there so we can remove duplication.
Lastly move mdp_major in. It is less obviously part of the user-space
interface, but do_mounts_md.c uses it, and it is acting a bit like
user-space.
Signed-off-by: NeilBrown <neilb@suse.de>
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This patch contains the scheduled removal of the START_ARRAY ioctl for md.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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With this patch, the intent to write to some block in the array can be logged
to a bitmap file. Each bit represents some number of sectors and is set
before any update happens, and only cleared when all writes relating to all
sectors are complete.
After an unclean shutdown, information in this bitmap can be used to optimise
resync - only sectors which could be out-of-sync need to be updated.
Also if a drive is removed and then added back into an array, the recovery can
make use of the bitmap to optimise reconstruction. This is not implemented in
this patch.
Currently the bitmap is stored in a file which must (obviously) be stored on a
separate device.
The patch only provided infrastructure. It does not update any personalities
to bitmap intent logging.
Md arrays can still be used with no bitmap file. This patch has minimal
impact on such arrays.
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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- Alan Cox: continued merging
- Mingming Cao: make msgrcv/shmat check the queue/segment ID's properly
- Greg KH: USB serial init failure fix, Xircom serial converter driver
- Neil Brown: nsfd/raid/md/lockd cleanups
- Ingo Molnar: multipath RAID personality, raid xor update
- Hugh Dickins/Marcelo Tosatti: swapin read-ahead race fix
- Vojtech Pavlik: fix up some of the infrastructure for x86-64
- Robert Love: AMD 761 AGP GART support
- Jens Axboe: fix SCSI-generic queue handling race
- me: be sane about page reference bits
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- Get non-cpuid Cyrix probing right (it's not a NexGen)
- Jens Axboe: cdrom tray status and queing cleanups
- AGP GART: don't disable VIA, and allow i815 with external AGP
- Coda: use iget4() in order to have big inode numbers without clashes.
- Fix UDF writepage() page locking
- NIIBE Yutaka: SuperH update
- Martin Diehl and others: SiS pirq routing fixes
- Andy Grover: ACPI update
- Andrea Arkangeli: LVM update
- Ingo Molnar: RAID cleanups
- David Miller: sparc and networking updates
- Make NFS really be able to handle large files
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