Re: problems with splice from /proc (was Linux 5.10-rc1)

Christoph Hellwig
2020-10-27T08:07:51Z

On Tue, Oct 27, 2020 at 08:55:41AM +0100, Greg KH wrote:
> This is just a test, part of the bionic test suite to verify that bionic
> is working properly, and is run on new kernels as a verification that
> nothing functional broke in the kernel update.
>
> I don't know about "real applications" yet.
>
> Do you have to implement this on a per-proc-file-basis, or will it work
> for the whole filesystem?
>
> And are the patches public anywhere that I could test them out?

This all branch has the last posted version:

http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/set_fs-rw.2

with tthe proc:, sysctl: and seq_file: patches related to it. It did
switch over all seq_file instances, but non-seq_file instances and write
operations will need manual per-instance work.