On Fri, Aug 26, 2022 at 11:58:45PM -0700, Eric Biggers wrote:

From: Eric Biggers <redacted>

Add support for STATX_DIOALIGN to block devices, so that direct I/O
alignment restrictions are exposed to userspace in a generic way.

Note that this breaks the tradition of stat operating only on the block
device node, not the block device itself.  However, it was felt that
doing this is preferable, in order to make the interface useful and
avoid needing separate interfaces for regular files and block devices.

Signed-off-by: Eric Biggers <redacted>
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Looks good to me,
Reviewed-by: Christian Brauner (Microsoft) <brauner@kernel.org>