Re: [RFC v6 03/40] vfs: Add MAY_DELETE_SELF and MAY_DELETE_CHILD permission flags

[Andreas GrÃnbacher]

2015-08-28 23:36 GMT+02:00 Andy Lutomirski <luto@xxxxxxxxxxxxxx>:
> Silly question from the peanut gallery: is there any such thing as
> opening an fd pointing at a file such that the "open file description"
> (i.e. the struct file) captures the right to delete the file?
>
> IOW do we need FMODE_DELETE_SELF?

When would that permission be checked, what syscall would you use to
unlink an open file descriptor?

Thanks,
Andreas
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