Re: [RFC PATCH] fs: use a sequence counter instead of file_lock in fd_install

Eric Dumazet
2015-04-20T16:48:29Z

On Mon, 2015-04-20 at 09:46 -0700, Eric Dumazet wrote:

>
> Hey, that's because I really meant (during the week end)

old = xchg(&fdt->fd[fd], file);
if (unlikely(old && old != file))
filp_close(old, files);

That's going to be hard.

If you thought this problem was trivial, it probably means you missed
something.