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Message-ID: <20111102102552.GF2770@agk-dp.fab.redhat.com>
Date: Wed, 2 Nov 2011 10:25:52 +0000
From: Alasdair G Kergon <agk@...hat.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: dm-devel@...hat.com, linux-kernel@...r.kernel.org,
Mike Snitzer <snitzer@...hat.com>,
Milan Broz <mbroz@...hat.com>,
Zdenek Kabelac <zkabelac@...hat.com>,
Joe Thornber <thornber@...hat.com>,
Jonathan Brassow <jbrassow@...hat.com>,
Mandeep Singh Baines <msb@...omium.org>,
Mikulas Patocka <mpatocka@...hat.com>,
Namhyung Kim <namhyung@...il.com>,
Jens Axboe <jaxboe@...ionio.com>,
"Martin K. Petersen" <martin.petersen@...cle.com>,
Neil Brown <neilb@...e.de>,
Steven Whitehouse <swhiteho@...hat.com>
Subject: Re: [dm-devel] [git pull] device-mapper enhancements for 3.2
On Tue, Nov 01, 2011 at 03:05:50PM -0700, Linus Torvalds wrote:
> On Mon, Oct 31, 2011 at 2:12 PM, Alasdair G Kergon <agk@...hat.com> wrote:
> > Please pull from:
> >
> > http://people.redhat.com/agk/git/linux-dm for-linus
>
> Get a kernel.org account, or get a real server. Not that crap. It's unusable.
Steve Whitehouse has kindly stepped in to host this for me temporarily
while, like many other people, I'm waiting to reobtain an account.
So please pull from:
git://git.kernel.org/pub/scm/linux/kernel/git/steve/linux-dm.git master
to get the following device-mapper enhancements for inclusion in 3.2.
The highlight here is thin provisioning. This includes a new snapshot
implementation that, unlike the existing implementation, performs well with
multiple snapshots of the same device (e.g. for backups).
More-detailed documentation is included in-tree.
The development of userspace LVM support is progressing well and and we
expect to have the first release of this out in the next month or so.
(To try this, people should check out git://sources.redhat.com/git/lvm2 and
follow lvm-devel@...hat.com.)
Thanks,
Alasdair
Alasdair G Kergon (4):
dm table: add singleton feature
dm table: add always writeable feature
dm table: add immutable feature
dm: export dm get md
Joe Thornber (2):
dm: add persistent data library
dm: add thin provisioning target
Jonathan Brassow (1):
dm log userspace: fix comment hyphens
Jonathan E Brassow (2):
dm log userspace: add log device dependency
dm: raid fix device status indicator when array initializing
Mandeep Singh Baines (1):
dm table: propagate non rotational flag
Mikulas Patocka (2):
dm kcopyd: add dm_kcopyd_zero to zero an area
dm: add bufio
Namhyung Kim (2):
dm: use local printk ratelimit
dm: remove superfluous smp_mb
Documentation/device-mapper/dm-log.txt | 2 +-
Documentation/device-mapper/persistent-data.txt | 84 +
Documentation/device-mapper/thin-provisioning.txt | 285 +++
drivers/md/Kconfig | 36 +
drivers/md/Makefile | 4 +
drivers/md/dm-bufio.c | 1699 ++++++++++++++
drivers/md/dm-bufio.h | 112 +
drivers/md/dm-ioctl.c | 11 +
drivers/md/dm-kcopyd.c | 31 +-
drivers/md/dm-log-userspace-base.c | 37 +-
drivers/md/dm-raid.c | 48 +-
drivers/md/dm-table.c | 73 +
drivers/md/dm-thin-metadata.c | 1391 +++++++++++
drivers/md/dm-thin-metadata.h | 156 ++
drivers/md/dm-thin.c | 2428 ++++++++++++++++++++
drivers/md/dm.c | 21 +-
drivers/md/dm.h | 2 +
drivers/md/persistent-data/Kconfig | 8 +
drivers/md/persistent-data/Makefile | 11 +
drivers/md/persistent-data/dm-block-manager.c | 620 +++++
drivers/md/persistent-data/dm-block-manager.h | 123 +
drivers/md/persistent-data/dm-btree-internal.h | 137 ++
drivers/md/persistent-data/dm-btree-remove.c | 566 +++++
drivers/md/persistent-data/dm-btree-spine.c | 244 ++
drivers/md/persistent-data/dm-btree.c | 805 +++++++
drivers/md/persistent-data/dm-btree.h | 145 ++
.../persistent-data/dm-persistent-data-internal.h | 19 +
drivers/md/persistent-data/dm-space-map-checker.c | 437 ++++
drivers/md/persistent-data/dm-space-map-checker.h | 26 +
drivers/md/persistent-data/dm-space-map-common.c | 705 ++++++
drivers/md/persistent-data/dm-space-map-common.h | 126 +
drivers/md/persistent-data/dm-space-map-disk.c | 335 +++
drivers/md/persistent-data/dm-space-map-disk.h | 25 +
drivers/md/persistent-data/dm-space-map-metadata.c | 596 +++++
drivers/md/persistent-data/dm-space-map-metadata.h | 33 +
drivers/md/persistent-data/dm-space-map.h | 134 ++
.../md/persistent-data/dm-transaction-manager.c | 400 ++++
.../md/persistent-data/dm-transaction-manager.h | 130 ++
include/linux/device-mapper.h | 45 +-
include/linux/dm-ioctl.h | 4 +-
include/linux/dm-kcopyd.h | 4 +
include/linux/dm-log-userspace.h | 18 +-
42 files changed, 12079 insertions(+), 37 deletions(-)
create mode 100644 Documentation/device-mapper/persistent-data.txt
create mode 100644 Documentation/device-mapper/thin-provisioning.txt
create mode 100644 drivers/md/dm-bufio.c
create mode 100644 drivers/md/dm-bufio.h
create mode 100644 drivers/md/dm-thin-metadata.c
create mode 100644 drivers/md/dm-thin-metadata.h
create mode 100644 drivers/md/dm-thin.c
create mode 100644 drivers/md/persistent-data/Kconfig
create mode 100644 drivers/md/persistent-data/Makefile
create mode 100644 drivers/md/persistent-data/dm-block-manager.c
create mode 100644 drivers/md/persistent-data/dm-block-manager.h
create mode 100644 drivers/md/persistent-data/dm-btree-internal.h
create mode 100644 drivers/md/persistent-data/dm-btree-remove.c
create mode 100644 drivers/md/persistent-data/dm-btree-spine.c
create mode 100644 drivers/md/persistent-data/dm-btree.c
create mode 100644 drivers/md/persistent-data/dm-btree.h
create mode 100644 drivers/md/persistent-data/dm-persistent-data-internal.h
create mode 100644 drivers/md/persistent-data/dm-space-map-checker.c
create mode 100644 drivers/md/persistent-data/dm-space-map-checker.h
create mode 100644 drivers/md/persistent-data/dm-space-map-common.c
create mode 100644 drivers/md/persistent-data/dm-space-map-common.h
create mode 100644 drivers/md/persistent-data/dm-space-map-disk.c
create mode 100644 drivers/md/persistent-data/dm-space-map-disk.h
create mode 100644 drivers/md/persistent-data/dm-space-map-metadata.c
create mode 100644 drivers/md/persistent-data/dm-space-map-metadata.h
create mode 100644 drivers/md/persistent-data/dm-space-map.h
create mode 100644 drivers/md/persistent-data/dm-transaction-manager.c
create mode 100644 drivers/md/persistent-data/dm-transaction-manager.h
Thanks,
Alasdair
Alasdair G Kergon (4):
dm table: add singleton feature
dm table: add always writeable feature
dm table: add immutable feature
dm: export dm get md
Joe Thornber (2):
dm: add persistent data library
dm: add thin provisioning target
Jonathan Brassow (1):
dm log userspace: fix comment hyphens
Jonathan E Brassow (2):
dm log userspace: add log device dependency
dm: raid fix device status indicator when array initializing
Mandeep Singh Baines (1):
dm table: propagate non rotational flag
Mikulas Patocka (2):
dm kcopyd: add dm_kcopyd_zero to zero an area
dm: add bufio
Namhyung Kim (2):
dm: use local printk ratelimit
dm: remove superfluous smp_mb
Documentation/device-mapper/dm-log.txt | 2 +-
Documentation/device-mapper/persistent-data.txt | 84 +
Documentation/device-mapper/thin-provisioning.txt | 285 +++
drivers/md/Kconfig | 36 +
drivers/md/Makefile | 4 +
drivers/md/dm-bufio.c | 1699 ++++++++++++++
drivers/md/dm-bufio.h | 112 +
drivers/md/dm-ioctl.c | 11 +
drivers/md/dm-kcopyd.c | 31 +-
drivers/md/dm-log-userspace-base.c | 37 +-
drivers/md/dm-raid.c | 48 +-
drivers/md/dm-table.c | 73 +
drivers/md/dm-thin-metadata.c | 1391 +++++++++++
drivers/md/dm-thin-metadata.h | 156 ++
drivers/md/dm-thin.c | 2428 ++++++++++++++++++++
drivers/md/dm.c | 21 +-
drivers/md/dm.h | 2 +
drivers/md/persistent-data/Kconfig | 8 +
drivers/md/persistent-data/Makefile | 11 +
drivers/md/persistent-data/dm-block-manager.c | 620 +++++
drivers/md/persistent-data/dm-block-manager.h | 123 +
drivers/md/persistent-data/dm-btree-internal.h | 137 ++
drivers/md/persistent-data/dm-btree-remove.c | 566 +++++
drivers/md/persistent-data/dm-btree-spine.c | 244 ++
drivers/md/persistent-data/dm-btree.c | 805 +++++++
drivers/md/persistent-data/dm-btree.h | 145 ++
.../persistent-data/dm-persistent-data-internal.h | 19 +
drivers/md/persistent-data/dm-space-map-checker.c | 437 ++++
drivers/md/persistent-data/dm-space-map-checker.h | 26 +
drivers/md/persistent-data/dm-space-map-common.c | 705 ++++++
drivers/md/persistent-data/dm-space-map-common.h | 126 +
drivers/md/persistent-data/dm-space-map-disk.c | 335 +++
drivers/md/persistent-data/dm-space-map-disk.h | 25 +
drivers/md/persistent-data/dm-space-map-metadata.c | 596 +++++
drivers/md/persistent-data/dm-space-map-metadata.h | 33 +
drivers/md/persistent-data/dm-space-map.h | 134 ++
.../md/persistent-data/dm-transaction-manager.c | 400 ++++
.../md/persistent-data/dm-transaction-manager.h | 130 ++
include/linux/device-mapper.h | 45 +-
include/linux/dm-ioctl.h | 4 +-
include/linux/dm-kcopyd.h | 4 +
include/linux/dm-log-userspace.h | 18 +-
42 files changed, 12079 insertions(+), 37 deletions(-)
create mode 100644 Documentation/device-mapper/persistent-data.txt
create mode 100644 Documentation/device-mapper/thin-provisioning.txt
create mode 100644 drivers/md/dm-bufio.c
create mode 100644 drivers/md/dm-bufio.h
create mode 100644 drivers/md/dm-thin-metadata.c
create mode 100644 drivers/md/dm-thin-metadata.h
create mode 100644 drivers/md/dm-thin.c
create mode 100644 drivers/md/persistent-data/Kconfig
create mode 100644 drivers/md/persistent-data/Makefile
create mode 100644 drivers/md/persistent-data/dm-block-manager.c
create mode 100644 drivers/md/persistent-data/dm-block-manager.h
create mode 100644 drivers/md/persistent-data/dm-btree-internal.h
create mode 100644 drivers/md/persistent-data/dm-btree-remove.c
create mode 100644 drivers/md/persistent-data/dm-btree-spine.c
create mode 100644 drivers/md/persistent-data/dm-btree.c
create mode 100644 drivers/md/persistent-data/dm-btree.h
create mode 100644 drivers/md/persistent-data/dm-persistent-data-internal.h
create mode 100644 drivers/md/persistent-data/dm-space-map-checker.c
create mode 100644 drivers/md/persistent-data/dm-space-map-checker.h
create mode 100644 drivers/md/persistent-data/dm-space-map-common.c
create mode 100644 drivers/md/persistent-data/dm-space-map-common.h
create mode 100644 drivers/md/persistent-data/dm-space-map-disk.c
create mode 100644 drivers/md/persistent-data/dm-space-map-disk.h
create mode 100644 drivers/md/persistent-data/dm-space-map-metadata.c
create mode 100644 drivers/md/persistent-data/dm-space-map-metadata.h
create mode 100644 drivers/md/persistent-data/dm-space-map.h
create mode 100644 drivers/md/persistent-data/dm-transaction-manager.c
create mode 100644 drivers/md/persistent-data/dm-transaction-manager.h
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