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-   -   3.7 device-mapper changes (http://www.linux-archive.org/device-mapper-development/711897-3-7-device-mapper-changes.html)

Alasdair G Kergon 10-12-2012 10:52 PM

3.7 device-mapper changes
 
Please pull from:

git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm tags/dm-3.7-changes

to get the following device-mapper changes for 3.7.

Thanks,
Alasdair

----------------------------------------------------------------
Remove the power-of-2 block size constraint on discards in dm thin
provisioning and factor the bio_prison code out into a separate
module (for sharing with the forthcoming cache target).

Use struct bio's front_pad to eliminate the use of one separate mempool
by bio-based devices.

A few other tiny clean-ups.

----------------------------------------------------------------
Mike Snitzer (3):
dm thin: support discard with non power of two block size
dm thin: prepare to separate bio_prison code
dm thin: move bio_prison code to separate module

Mikulas Patocka (2):
dm: use ACCESS_ONCE for sysfs values
dm: store dm_target_io in bio front_pad

Wei Yongjun (3):
dm mpath: fix check for null mpio in end_io fn
dm bufio: use list_move
dm persistent data: convert to use le32_add_cpu

drivers/md/Kconfig | 8 +
drivers/md/Makefile | 1 +
drivers/md/dm-bio-prison.c | 415 +++++++++++++++++
drivers/md/dm-bio-prison.h | 72 +++
drivers/md/dm-bufio.c | 13 +-
drivers/md/dm-mpath.c | 3 +-
drivers/md/dm-thin.c | 521 ++++------------------
drivers/md/dm-verity.c | 2 +-
drivers/md/dm.c | 108 ++---
drivers/md/persistent-data/dm-space-map-common.c | 4 +-
10 files changed, 636 insertions(+), 511 deletions(-)
create mode 100644 drivers/md/dm-bio-prison.c
create mode 100644 drivers/md/dm-bio-prison.h

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