Re: [PATCH v2] statmount: add a new supported_mask field

[Christian Brauner]

On Thu, 06 Feb 2025 07:51:52 -0500, Jeff Layton wrote:
> Some of the fields in the statmount() reply can be optional. If the
> kernel has nothing to emit in that field, then it doesn't set the flag
> in the reply. This presents a problem: There is currently no way to
> know what mask flags the kernel supports since you can't always count on
> them being in the reply.
> 
> Add a new STATMOUNT_SUPPORTED_MASK flag and field that the kernel can
> set in the reply. Userland can use this to determine if the fields it
> requires from the kernel are supported. This also gives us a way to
> deprecate fields in the future, if that should become necessary.
> 
> [...]

Applied to the vfs-6.15.mount branch of the vfs/vfs.git tree.
Patches in the vfs-6.15.mount branch should appear in linux-next soon.

Please report any outstanding bugs that were missed during review in a
new review to the original patch series allowing us to drop it.

It's encouraged to provide Acked-bys and Reviewed-bys even though the
patch has now been applied. If possible patch trailers will be updated.

Note that commit hashes shown below are subject to change due to rebase,
trailer updates or similar. If in doubt, please check the listed branch.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git
branch: vfs-6.15.mount

[1/1] statmount: add a new supported_mask field
      https://git.kernel.org/vfs/vfs/c/f0445f381ab4