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Date: Fri, 3 Apr 2009 10:51:59 +1100
From: Neil Brown <neilb@...e.de>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Alasdair G Kergon <agk@...hat.com>,
Dan Williams <dan.j.williams@...el.com>,
Andre Noll <maan@...temlinux.org>,
Atsushi SAKAI <sakaia@...fujitsu.com>,
Christoph Hellwig <hch@....de>,
Martin K "." Petersen <martin.petersen@...cle.com>
Subject: PULL REQUEST: md patches for 2.6.30 merge window
Hi Linus,
please pull my md development tree as described below.
Highlights (for me) are:
moving .h file from include/linux to driver/md from Christoph.
I'm already loving the fact that e.g. raid5.h is in the same
directory as raid5.c :-)
more options for reshaping arrays including raid5->raid6 and back,
reducing the number of drives in an array and changing the chunksize.
There is lots of other stuff, bug fixes and other feature
enhancements.
A small change to md/Makefile touches 'dm' as well, hence Cc to
Alasdair.
Thanks,
NeilBrown
The following changes since commit 8e0ee43bc2c3e19db56a4adaa9a9b04ce885cd84:
Linus Torvalds (1):
Linux 2.6.29
are available in the git repository at:
git://neil.brown.name/md for-linus
Andre Noll (3):
md: Make mddev->size sector-based.
md: Represent raid device size in sectors.
md: raid5 run(): Fix max_degraded for raid level 4.
Atsushi SAKAI (1):
md: fix typo in FSF address
Christoph Hellwig (3):
md: stop defining MAJOR_NR
cleanup drivers/md/Makefile
md: move headers out of include/linux/raid/
Dan Williams (4):
md: add 'size' as a personality method
md: centralize ->array_sectors modifications
md: 'array_size' sysfs attribute
md/raid6: move raid6 data processing to raid6_pq.ko
Martin K. Petersen (1):
MD data integrity support
NeilBrown (41):
md: Fix is_mddev_idle test (again).
md: Allow write-intent bitmaps to have chunksize < PAGE_SIZE
md: never clear bit from the write-intent bitmap when the array is degraded.
md: write bitmap information to devices that are undergoing recovery.
md: move LEVEL_* definition from md_k.h to md_u.h
md: move most content from md.h to md_k.h
md: move lots of #include lines out of .h files and into .c
md: move md_k.h from include/linux/raid/ to drivers/md/
md: occasionally checkpoint drive recovery to reduce duplicate effort after a crash
md: be more consistent about setting WriteMostly flag when adding a drive to an array
md/raid5: simplify interface for init_stripe and get_active_stripe
md/raid5: change raid5_compute_sector and stripe_to_pdidx to take a 'previous' argument
md/raid6: remove expectation that Q device is immediately after P device.
md/raid5: simplify raid5_compute_sector interface
md/raid5: Add support for new layouts for raid5 and raid6.
md/raid5: finish support for DDF/raid6
md: make sure new_level, new_chunksize, new_layout always have sensible values.
md/raid5: refactor raid5 "run"
md: md_unregister_thread should cope with being passed NULL
md: enable suspend/resume of md devices.
md: add ->takeover method to support changing the personality managing an array
md: add ->takeover method for raid5 to be able to take over raid1
md/raid5: allow layout/chunksize to be changed on an active 2-drive raid5.
md: add takeover support for raid4 -> raid5 conversion.
md: add takeover support for converting raid6 back into raid5
md/raid5: drop qd_idx from r6_state
md/raid5: enhance raid5_size to work correctly with negative delta_disks
md: add explicit method to signal the end of a reshape.
md/raid5: change reshape-progress measurement to cope with reshaping backwards.
md: allow number of drives in raid5 to be reduced
Documentation/md.txt update
md/raid5: clearly differentiate 'before' and 'after' stripes during reshape.
md/raid5: prepare for allowing reshape to change chunksize.
md/raid5: prepare for allowing reshape to change layout
md/raid5: reshape using largest of old and new chunk size
md/raid5: allow layout and chunksize to be changed on active array.
md: don't display meaningless values in sysfs files resync_start and sync_speed
md/raid5: be more careful about write ordering when reshaping.
md: remove CONFIG_MD_RAID_RESHAPE config option.
md/raid5: minor code cleanups in make_request.
md/raid5 revise rules for when to update metadata during reshape
Documentation/md.txt | 37 +-
crypto/xor.c | 2 +-
drivers/md/Kconfig | 31 +-
drivers/md/Makefile | 16 +-
drivers/md/bitmap.c | 49 +-
{include/linux/raid => drivers/md}/bitmap.h | 0
drivers/md/faulty.c | 19 +-
drivers/md/linear.c | 25 +-
{include/linux/raid => drivers/md}/linear.h | 2 -
drivers/md/md.c | 615 ++++++++---
include/linux/raid/md_k.h => drivers/md/md.h | 66 +-
drivers/md/mktables.c | 14 +-
drivers/md/multipath.c | 17 +-
{include/linux/raid => drivers/md}/multipath.h | 2 -
drivers/md/raid0.c | 66 +-
{include/linux/raid => drivers/md}/raid0.h | 2 -
drivers/md/raid1.c | 35 +-
{include/linux/raid => drivers/md}/raid1.h | 2 -
drivers/md/raid10.c | 42 +-
{include/linux/raid => drivers/md}/raid10.h | 2 -
drivers/md/raid5.c | 1494 +++++++++++++++++-------
{include/linux/raid => drivers/md}/raid5.h | 110 ++-
drivers/md/raid6algos.c | 21 +-
drivers/md/raid6altivec.uc | 4 +-
drivers/md/raid6int.uc | 4 +-
drivers/md/raid6mmx.c | 4 +-
drivers/md/raid6recov.c | 13 +-
drivers/md/raid6sse1.c | 4 +-
drivers/md/raid6sse2.c | 4 +-
drivers/md/raid6test/Makefile | 2 +-
drivers/md/raid6test/test.c | 2 +-
drivers/md/raid6x86.h | 2 +-
fs/compat_ioctl.c | 2 +-
include/linux/raid/md.h | 81 --
include/linux/raid/md_u.h | 35 +
drivers/md/raid6.h => include/linux/raid/pq.h | 28 +-
include/linux/raid/xor.h | 2 -
init/do_mounts.h | 1 +
init/do_mounts_md.c | 5 +-
39 files changed, 2002 insertions(+), 860 deletions(-)
rename {include/linux/raid => drivers/md}/bitmap.h (100%)
rename {include/linux/raid => drivers/md}/linear.h (95%)
rename include/linux/raid/md_k.h => drivers/md/md.h (83%)
rename {include/linux/raid => drivers/md}/multipath.h (96%)
rename {include/linux/raid => drivers/md}/raid0.h (96%)
rename {include/linux/raid => drivers/md}/raid1.h (99%)
rename {include/linux/raid => drivers/md}/raid10.h (99%)
rename {include/linux/raid => drivers/md}/raid5.h (81%)
delete mode 100644 include/linux/raid/md.h
rename drivers/md/raid6.h => include/linux/raid/pq.h (86%)
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