Re: [PATCH v2] tmpfs: enforce the immutable flag on open files

[Andrew Morton]

On Mon, 8 Dec 2025 22:50:15 +0100 Ahelenia Ziemiańska <nabijaczleweli@xxxxxxxxxxxxxxxxxx> wrote:

> This useful behaviour is implemented for most filesystems,
> and wants to be implemented for every filesystem, quoth ref:
>   There is general agreement that we should standardize all file systems
>   to prevent modifications even for files that were opened at the time
>   the immutable flag is set.  Eventually, a change to enforce this at
>   the VFS layer should be landing in mainline.

This changes the VFS parts of tmpfs, not the MM parts.  So please
resend and also cc

linux-fsdevel@xxxxxxxxxxxxxxx
Christian Brauner <brauner@xxxxxxxxxx>