Messages in this thread | | | From | Bodo Eggert <> | Subject | Re: [RFC PATCH] vfs: add MNT_NOFOLLOW flag to umount(2) | Date | Thu, 04 Feb 2010 19:48:25 +0100 |
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Miklos Szeredi <miklos@szeredi.hu> wrote:
> Additionally, return -EINVAL if an unknown flag is encountered. This > makes it possible for the caller to determine if a flag is supported > or not (at least on kernels with this patch).
There should be a guaranteed-to-be-invalid flag or flag-combination in order to safely detect this feature.
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