(subset) [PATCH v14 01/12] fs: Return ENOTTY directly if FS_IOC_GETUUID or FS_IOC_GETFSSYSFSPATH fail

[Christian Brauner]

On Fri, 05 Apr 2024 21:40:29 +0000, Günther Noack wrote:
> These IOCTL commands should be implemented by setting attributes on the
> superblock, rather than in the IOCTL hooks in struct file_operations.
> 
> By returning -ENOTTY instead of -ENOIOCTLCMD, we instruct the fs/ioctl.c
> logic to return -ENOTTY immediately, rather than attempting to call
> f_op->unlocked_ioctl() or f_op->compat_ioctl() as a fallback.
> 
> [...]

Taking this as a bugfix for this cycle.

---

Applied to the vfs.fixes branch of the vfs/vfs.git tree.
Patches in the vfs.fixes 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.fixes

[01/12] fs: Return ENOTTY directly if FS_IOC_GETUUID or FS_IOC_GETFSSYSFSPATH fail
        https://git.kernel.org/vfs/vfs/c/abe6acfa7d7b