From: Miklos Szeredi <miklos@szeredi.hu>
To: Richard Weinberger <richard@nod.at>
Cc: Miquel Raynal <miquel.raynal@bootlin.com>,
Vignesh Raghavendra <vigneshr@ti.com>,
Boris Brezillon <boris.brezillon@collabora.com>,
Ron Minnich <rminnich@google.com>, sven <sven@narfation.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-mtd <linux-mtd@lists.infradead.org>,
fuse-devel <fuse-devel@lists.sourceforge.net>
Subject: Re: [PATCH 0/8] MUSE: Userspace backed MTD v3
Date: Wed, 10 Feb 2021 11:16:45 +0100 [thread overview]
Message-ID: <CAJfpegugbvppOKhJ8KjSVGgZOGVuj6NSiy4n18mbD7Ui3wme6g@mail.gmail.com> (raw)
In-Reply-To: <1507208626.379155.1612906761549.JavaMail.zimbra@nod.at>
On Tue, Feb 9, 2021 at 10:39 PM Richard Weinberger <richard@nod.at> wrote:
>
> Miklos,
>
> ----- Ursprüngliche Mail -----
> > If you look at fuse_do_ioctl() it does variable length input and
> > output at the same time. I guess you need something similar to that.
>
> I'm not sure whether I understand correctly.
>
> In MUSE one use case would be attaching two distinct (variable length) buffers to a
> single FUSE request, in both directions.
> If I read fuse_do_ioctl() correctly, it attaches always a single buffer per request
> but does multiple requests.
Right.
> In MUSE we cold go the same path and issue up to two requests.
> One for in-band and optionally a second one for the out-of-band data.
> Hmmm?
Does in-band and OOB data need to be handled together? If so, then
two requests is not a good option.
Thanks,
Miklos
WARNING: multiple messages have this Message-ID (diff)
From: Miklos Szeredi <miklos@szeredi.hu>
To: Richard Weinberger <richard@nod.at>
Cc: Vignesh Raghavendra <vigneshr@ti.com>,
fuse-devel <fuse-devel@lists.sourceforge.net>,
Miquel Raynal <miquel.raynal@bootlin.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
Boris Brezillon <boris.brezillon@collabora.com>,
linux-mtd <linux-mtd@lists.infradead.org>,
Ron Minnich <rminnich@google.com>, sven <sven@narfation.org>
Subject: Re: [PATCH 0/8] MUSE: Userspace backed MTD v3
Date: Wed, 10 Feb 2021 11:16:45 +0100 [thread overview]
Message-ID: <CAJfpegugbvppOKhJ8KjSVGgZOGVuj6NSiy4n18mbD7Ui3wme6g@mail.gmail.com> (raw)
In-Reply-To: <1507208626.379155.1612906761549.JavaMail.zimbra@nod.at>
On Tue, Feb 9, 2021 at 10:39 PM Richard Weinberger <richard@nod.at> wrote:
>
> Miklos,
>
> ----- Ursprüngliche Mail -----
> > If you look at fuse_do_ioctl() it does variable length input and
> > output at the same time. I guess you need something similar to that.
>
> I'm not sure whether I understand correctly.
>
> In MUSE one use case would be attaching two distinct (variable length) buffers to a
> single FUSE request, in both directions.
> If I read fuse_do_ioctl() correctly, it attaches always a single buffer per request
> but does multiple requests.
Right.
> In MUSE we cold go the same path and issue up to two requests.
> One for in-band and optionally a second one for the out-of-band data.
> Hmmm?
Does in-band and OOB data need to be handled together? If so, then
two requests is not a good option.
Thanks,
Miklos
______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/
next prev parent reply other threads:[~2021-02-10 10:29 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-24 23:19 [PATCH 0/8] MUSE: Userspace backed MTD v3 Richard Weinberger
2021-01-24 23:19 ` Richard Weinberger
2021-01-24 23:20 ` [PATCH 1/8] fuse: Export fuse_simple_request Richard Weinberger
2021-01-24 23:20 ` Richard Weinberger
2021-01-24 23:20 ` [PATCH 2/8] fuse: Export IO helpers Richard Weinberger
2021-01-24 23:20 ` Richard Weinberger
2021-01-24 23:20 ` [PATCH 3/8] fuse: Make cuse_parse_one a common helper Richard Weinberger
2021-01-24 23:20 ` Richard Weinberger
2021-01-24 23:20 ` [PATCH 4/8] mtd: Add MTD_MUSE flag Richard Weinberger
2021-01-24 23:20 ` Richard Weinberger
2021-01-24 23:20 ` [PATCH 5/8] mtd: Allow passing a custom cmdline to cmdline line parser Richard Weinberger
2021-01-24 23:20 ` Richard Weinberger
2021-01-24 23:20 ` [PATCH 6/8] fuse: Add MUSE specific defines FUSE interface Richard Weinberger
2021-01-24 23:20 ` Richard Weinberger
2021-01-24 23:20 ` [PATCH 7/8] fuse: Implement MUSE - MTD in userspace Richard Weinberger
2021-01-24 23:20 ` Richard Weinberger
2021-01-24 23:20 ` [PATCH 8/8] MAINTAINERS: Add entry for MUSE Richard Weinberger
2021-01-24 23:20 ` Richard Weinberger
2021-01-28 10:30 ` [PATCH 0/8] MUSE: Userspace backed MTD v3 Miquel Raynal
2021-01-28 10:30 ` Miquel Raynal
2021-02-01 13:14 ` Richard Weinberger
2021-02-01 13:14 ` Richard Weinberger
2021-02-01 13:55 ` Miklos Szeredi
2021-02-01 13:55 ` Miklos Szeredi
2021-02-09 14:26 ` Miklos Szeredi
2021-02-09 14:26 ` Miklos Szeredi
2021-02-09 14:35 ` Richard Weinberger
2021-02-09 14:35 ` Richard Weinberger
2021-02-09 15:10 ` [fuse-devel] " Luca Risolia
2021-02-09 15:10 ` Luca Risolia
2021-02-09 15:22 ` Miklos Szeredi
2021-02-09 15:22 ` Miklos Szeredi
2021-02-09 15:41 ` Richard Weinberger
2021-02-09 15:41 ` Richard Weinberger
2021-02-09 15:56 ` Luca Risolia
2021-02-09 15:56 ` Luca Risolia
2021-02-09 16:04 ` Richard Weinberger
2021-02-09 16:04 ` Richard Weinberger
2021-02-09 16:28 ` Luca Risolia
2021-02-09 16:28 ` Luca Risolia
2021-02-09 16:29 ` Richard Weinberger
2021-02-09 16:29 ` Richard Weinberger
2021-02-09 16:42 ` Luca Risolia
2021-02-09 16:42 ` Luca Risolia
2021-02-09 16:50 ` Richard Weinberger
2021-02-09 16:50 ` Richard Weinberger
2021-02-09 17:46 ` Luca Risolia
2021-02-09 17:46 ` Luca Risolia
2021-02-09 19:42 ` Miklos Szeredi
2021-02-09 19:42 ` Miklos Szeredi
2021-02-09 20:06 ` Richard Weinberger
2021-02-09 20:06 ` Richard Weinberger
2021-02-10 10:12 ` Miklos Szeredi
2021-02-10 10:12 ` Miklos Szeredi
2021-02-10 11:12 ` Richard Weinberger
2021-02-10 11:12 ` Richard Weinberger
2021-02-10 11:16 ` Miklos Szeredi
2021-02-10 11:16 ` Miklos Szeredi
2021-02-11 18:09 ` Miklos Szeredi
2021-02-11 18:09 ` Miklos Szeredi
2021-04-13 12:59 ` Miklos Szeredi
2021-04-13 12:59 ` Miklos Szeredi
2021-02-09 21:39 ` Richard Weinberger
2021-02-09 21:39 ` Richard Weinberger
2021-02-10 10:16 ` Miklos Szeredi [this message]
2021-02-10 10:16 ` Miklos Szeredi
2021-02-10 11:00 ` Richard Weinberger
2021-02-10 11:00 ` Richard Weinberger
2021-02-10 11:14 ` Miquel Raynal
2021-02-10 11:14 ` Miquel Raynal
2021-02-10 11:23 ` Richard Weinberger
2021-02-10 11:23 ` Richard Weinberger
2021-02-10 20:55 ` Miquel Raynal
2021-02-10 20:55 ` Miquel Raynal
2021-02-10 21:11 ` Richard Weinberger
2021-02-10 21:11 ` Richard Weinberger
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