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Subject[PATCHSET 2/3 blk-for-2.6.28] block: implement extended devt, take #3
Date
Hello, all.

This is the third take of block-extended-devt patchset and contains
the following 10 patches.

0001-block-misc-updates.patch
0002-block-make-variable-and-argument-names-more-consist.patch
0003-block-don-t-depend-on-consecutive-minor-space.patch
0004-block-fix-disk-part-dereferencing-race.patch
0005-block-fix-diskstats-access.patch
0006-block-implement-extended-dev-numbers.patch
0007-block-adjust-formatting-for-large-minors-and-add-ex.patch
0008-sd-ide-disk-apply-extended-minors-to-sd-and-ide.patch
0009-block-implement-CONFIG_DEBUG_BLOCK_EXT_DEVT.patch

0001-0002 are trivial preparation patches. 0003 implements accessors
and applies them to insulate consecutive device number assumption and
help fixing partition dereferencing problem. 0004-0005 fixes
partition dereferencing bug and simplifies stats handling. 0006-0009
implement and apply extended devt.

Changes from the last take[L] are...

* Adapted to blk-for-2.6.28.
* 0005 and 0006 of the last take are collapsed into 0005.
* Reverse iteration bug fixed.
* blk_alloc_devt() fixed to honor first_minor when allocating from
consecutive minor range.

For general description of the patchset, please read description of
the first take[F].

This patchset is against...

blk-for-2.6.28 (9abd7c437c02e7448fb1d2d3cfc0b9c1ab77cf2d)
+ [1] klist-dont-iterate-over-deleted-entries
+ [2] use-klist-for-class-device-list-and-implement-iterator
+ [3] block-misc-fixes-and-improvements patchset

and available in the following git tree.

http://git.kernel.org/?p=linux/kernel/git/tj/misc.git;a=shortlog;h=block-extended-devt
git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc.git block-extended-devt

and the combined diffstat follows.

block/blk-core.c | 57 ++-
block/blk-merge.c | 14
block/genhd.c | 534 ++++++++++++++++++++++++++++++------
block/ioctl.c | 39 +-
drivers/block/aoe/aoecmd.c | 15 -
drivers/block/pktcdvd.c | 2
drivers/block/ps3disk.c | 2
drivers/char/random.c | 6
drivers/ide/ide-disk.c | 17 -
drivers/md/dm-ioctl.c | 4
drivers/md/dm-stripe.c | 4
drivers/md/dm.c | 33 +-
drivers/md/linear.c | 7
drivers/md/multipath.c | 7
drivers/md/raid0.c | 7
drivers/md/raid1.c | 8
drivers/md/raid10.c | 7
drivers/md/raid5.c | 8
drivers/memstick/core/mspro_block.c | 2
drivers/mmc/card/block.c | 2
drivers/s390/block/dasd_proc.c | 3
drivers/s390/block/dcssblk.c | 4
drivers/scsi/sd.c | 15 -
drivers/scsi/sr.c | 2
fs/block_dev.c | 23 -
fs/partitions/check.c | 118 +++++--
include/linux/fs.h | 1
include/linux/genhd.h | 237 ++++++++-------
include/linux/major.h | 2
lib/Kconfig.debug | 16 +
30 files changed, 861 insertions(+), 335 deletions(-)
Thanks.

--
tejun

[L] http://kerneltrap.org/mailarchive/linux-kernel/2008/7/14/2453024
[F] http://thread.gmane.org/gmane.linux.kernel/701825
[1] http://article.gmane.org/gmane.linux.kernel/725706
[2] http://article.gmane.org/gmane.linux.kernel/725708
[3] http://thread.gmane.org/gmane.linux.kernel/725724


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