On Thu, Oct 3, 2013 at 11:56 AM, Al Viro <v...@zeniv.linux.org.uk> wrote:
>
> Note, BTW, that splice to /proc/<pid>/attr/<something> is broken.
> proc_pid_attr_write() is *not* supposed to allow partial writes at all.
> Frankly, I'd consider adding a ->splice_write() instance that would
> simply return -EINVAL there...
That sounds like the right thing to do.
Or possibly go even further, and say that the default is to return
-EINVAL, and files and filesystems that actually want the
"default_file_splice_write()" semantics have to say so in their d_op
structure.
Hmm?
Linus
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