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Date: Sun, 8 Mar 2015 17:38:37 +0000
From: Al Viro <viro@ZenIV.linux.org.uk>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Alexander Holler <holler@ahsoftware.de>,
        Richard Weinberger <richard.weinberger@gmail.com>,
        USB list <linux-usb@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>, Felipe Balbi <balbi@ti.com>
Subject: Re: gadgetfs broken since 7f7f25e8
Message-ID: <20150308173836.GH29656@ZenIV.linux.org.uk>
References: <54FB59A7.2080705@ahsoftware.de>
 <Pine.LNX.4.44L0.1503071607370.18686-100000@netrider.rowland.org>
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On Sat, Mar 07, 2015 at 04:08:49PM -0500, Alan Stern wrote:
> On Sat, 7 Mar 2015, Alexander Holler wrote:
> 
> > Am 07.03.2015 um 12:23 schrieb Alexander Holler:
> > > Am 04.03.2015 um 16:31 schrieb Alan Stern:
> > > 
> > >> check to see what those values actually were.  It's easy enough to fix
> > >> up, though; revised patch below.
> > > 
> > > Thanks, in contrast to the patch from Al Viro that one applies.
> > 
> > And as I've just tested it, it isn't complete. ep_config_operations will
> > be switched to ep_io_operations and suffers under the same problem of
> > not having initially (aio_)read/(aio_)write since commit  7f7f25e8 (3.16).
> 
> Of course.  I stated in the email accompanying the original version of
> this patch that it contained some corrections that Al's patch left out.  
> You have to use the two of them together to fix all the issues.

FWIW, I've pushed those two fixes in vfs.git#gadget; could I have your
s-o-b on the ep0 part?  See 2b13438 in vfs.git...