From: Andy Lutomirski <luto-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org>
To: Linus Torvalds
<torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
Cc: fuse-devel
<fuse-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
Al Viro <viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org>,
Greg KH
<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>,
Nikhilesh Reddy <reddyn-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
linux-fsdevel
<linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Nikolaus Rath <nikolaus-BTH8mxji4b0@public.gmane.org>,
Linux API <linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Jan Kara <jack-AlSwsSmVLrQ@public.gmane.org>,
Theodore Ts'o <tytso-3s7WtUTddSA@public.gmane.org>,
sven.utcke-Mmb7MZpHnFY@public.gmane.org,
Antonio SJ Musumeci
<trapexit-wGTF+nt6ur047o9RxwvyTQ@public.gmane.org>,
Miklos Szeredi <miklos-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org>,
Richard Weinberger <richard-/L3Ra7n9ekc@public.gmane.org>,
Linux Kernel Mailing List
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH] fuse: Add support for fuse stacked I/O
Date: Fri, 15 Jan 2016 08:31:25 -0800 [thread overview]
Message-ID: <CALCETrWNQ9ytw1bCOOjFJRstauYc6DocQAmZCF61CErAJ5BF2g@mail.gmail.com> (raw)
In-Reply-To: <CA+55aFwxaU0Y_UxyKFv6WaYsPWDDzZG-rhVtMuLSPcJ0WLLw2A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On Jan 14, 2016 11:19 AM, "Linus Torvalds"
<torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org> wrote:
>
> On Thu, Jan 14, 2016 at 10:57 AM, Nikhilesh Reddy <reddyn-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> wrote:
> >
> > *I will send out a properly formatted patch shortly.*
>
> So before you do that, can you explain in what cases fuse just wants
> to pass through the IO?
>
> Why aren't such cases just using unionfs or something?
>
> In other words, I think that patch needs an explanation for the
> *reason* for the new functionality.
Also, clarifying the functionality would be nice. What is the
"underlying" fs you speak of? What f_cred gets used? Who opens the
underlying file, whatever that is?
Is the intent overlay-style stacking or is it something else entirely?
--Andy
next prev parent reply other threads:[~2016-01-15 16:31 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <565394BE.4040506@codeaurora.org>
[not found] ` <565394BE.4040506-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2016-01-13 23:53 ` [PATCH] fuse: Add support for fuse stacked I/O Nikhilesh Reddy
2016-01-14 4:57 ` Greg KH
2016-01-14 18:57 ` Nikhilesh Reddy
[not found] ` <5697EF97.9020800-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2016-01-14 19:19 ` Linus Torvalds
[not found] ` <CA+55aFwxaU0Y_UxyKFv6WaYsPWDDzZG-rhVtMuLSPcJ0WLLw2A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-01-15 16:31 ` Andy Lutomirski [this message]
[not found] ` <CALCETrWNQ9ytw1bCOOjFJRstauYc6DocQAmZCF61CErAJ5BF2g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-01-15 17:37 ` Antonio SJ Musumeci
[not found] ` <CAB3-ZyT+xcU-0BnNvq-+GsDe6W8=MCWwxguS-+KQ39gajmM5pw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-01-15 17:51 ` Nikolaus Rath
2016-01-15 19:29 ` Nikhilesh Reddy
[not found] ` <56994884.9060002-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2016-01-15 21:38 ` Nikolaus Rath
2016-01-15 21:43 ` Linus Torvalds
2016-01-15 21:46 ` Andy Lutomirski
[not found] ` <CALCETrUA2veiBYYbN1hCSkHxBFyDpe3b=PXg=j53_ZuQBt1FUw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-01-15 21:53 ` Linus Torvalds
2016-01-19 2:57 ` Nikhilesh Reddy
[not found] ` <569DA62B.7070701-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2016-01-20 23:24 ` Nikhilesh Reddy
2016-01-15 21:56 ` [fuse-devel] " Hans Beckerus
[not found] ` <5696E366.2080605-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2016-01-14 8:25 ` Christoph Hellwig
2016-01-14 15:52 ` Nikolaus Rath
[not found] ` <87mvs8qhun.fsf-Zv899e0YUSYPWKMTL/zdXNi2O/JbrIOy@public.gmane.org>
2016-01-15 9:29 ` Christoph Hellwig
2016-01-19 3:07 ` Jann Horn
[not found] ` <CAK9i0=ojVmbuDiFXY_sHA12vTWgz9aKwEQuZmmYtUka3zqr=hg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-01-20 23:07 ` Nikhilesh Reddy
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