Re: [PATCH v6 0/5] Introduce block provisioning primitives

Darrick J. Wong
2023-05-12T18:30:42Z

On Fri, May 05, 2023 at 11:29:04PM -0700, Sarthak Kukreti wrote:
> Hi,
>
> This patch series covers iteration 6 of adding support for block
> provisioning requests.

I didn't even notice there was a v6. Could you start a fresh thread
when you bump the revision count, please?

--D

> Changes from v5:
> - Remove explicit supports_provision from dm devices.
> - Move provision sectors io hint to pool_io_hint. Other devices
> will derive the provisioning limits from the stack.
> - Remove artifact from v4 to omit cell_defer_no_holder for
> REQ_OP_PROVISION.
> - Fix blkdev_fallocate() called with invalid fallocate
> modes to propagate errors correctly.
>
> Sarthak Kukreti (5):
> block: Don't invalidate pagecache for invalid falloc modes
> block: Introduce provisioning primitives
> dm: Add block provisioning support
> dm-thin: Add REQ_OP_PROVISION support
> loop: Add support for provision requests
>
> block/blk-core.c | 5 +++
> block/blk-lib.c | 53 ++++++++++++++++++++++++++
> block/blk-merge.c | 18 +++++++++
> block/blk-settings.c | 19 ++++++++++
> block/blk-sysfs.c | 9 +++++
> block/bounce.c | 1 +
> block/fops.c | 31 +++++++++++++---
> drivers/block/loop.c | 42 +++++++++++++++++++++
> drivers/md/dm-crypt.c | 4 +-
> drivers/md/dm-linear.c | 1 +
> drivers/md/dm-snap.c | 7 ++++
> drivers/md/dm-table.c | 23 ++++++++++++
> drivers/md/dm-thin.c | 70 +++++++++++++++++++++++++++++++++--
> drivers/md/dm.c | 6 +++
> include/linux/bio.h | 6 ++-
> include/linux/blk_types.h | 5 ++-
> include/linux/blkdev.h | 16 ++++++++
> include/linux/device-mapper.h | 17 +++++++++
> 18 files changed, 319 insertions(+), 14 deletions(-)
>
> --
> 2.40.1.521.gf1e218fcd8-goog
>