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Re: [fuse-devel] [PATCH 5/7] FUSE: implement ioctl support

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From: Roger Willcocks <roger@...>
To: Tejun Heo <tj@...>
Cc: Miklos Szeredi <miklos@...>, <fuse-devel@...>, <greg@...>, <linux-kernel@...>
Subject: Re: [fuse-devel] [PATCH 5/7] FUSE: implement ioctl support
Date: Friday, August 29, 2008 - 7:31 am

One thing to bear in mind is the possibility of 32-bit client programs 
running on a 64-bit platform, so your user-space driver will need be be 
aware of the flavour of the client, and parse the ioctl arguments (and 
in particular, pointers) appropriately.

That's true of a kernel implementation too, of course.

--
Roger



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[PATCHSET] FUSE: extend FUSE to support more operations, Tejun Heo, (Thu Aug 28, 1:40 pm)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Tejun Heo, (Tue Oct 14, 4:21 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Miklos Szeredi, (Tue Oct 14, 5:37 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Tejun Heo, (Thu Nov 13, 2:26 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Miklos Szeredi, (Thu Nov 13, 7:47 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Tejun Heo, (Thu Nov 13, 7:54 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Miklos Szeredi, (Thu Nov 13, 7:58 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Miklos Szeredi, (Thu Nov 13, 8:34 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Tejun Heo, (Thu Nov 13, 9:23 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Miklos Szeredi, (Thu Nov 13, 9:42 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Tejun Heo, (Thu Nov 13, 10:29 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Miklos Szeredi, (Thu Nov 13, 10:48 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Tejun Heo, (Thu Nov 13, 11:10 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Miklos Szeredi, (Thu Nov 13, 11:52 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Tejun Heo, (Mon Nov 17, 5:17 am)
Re: [fuse-devel] [PATCHSET] FUSE: extend FUSE to support mor..., Miklos Szeredi, (Mon Nov 17, 6:16 am)
Re: [fuse-devel] [PATCHSET] FUSE: extend FUSE to support mor..., Tejun Heo, (Mon Nov 17, 11:32 pm)
Re: [fuse-devel] [PATCHSET] FUSE: extend FUSE to support mor..., Miklos Szeredi, (Tue Nov 18, 5:33 am)
Re: [fuse-devel] [PATCHSET] FUSE: extend FUSE to support mor..., Tejun Heo, (Tue Nov 18, 6:30 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Tejun Heo, (Thu Nov 13, 12:00 pm)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Tejun Heo, (Wed Nov 12, 4:41 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Tejun Heo, (Thu Nov 13, 2:06 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Miklos Szeredi, (Thu Nov 13, 7:19 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Tejun Heo, (Thu Nov 13, 7:29 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Miklos Szeredi, (Thu Nov 13, 7:57 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Tejun Heo, (Thu Nov 13, 8:14 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Miklos Szeredi, (Wed Nov 12, 6:00 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Tejun Heo, (Thu Nov 13, 1:54 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Christoph Hellwig, (Wed Nov 12, 5:14 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Tejun Heo, (Wed Nov 12, 5:30 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Miklos Szeredi, (Wed Nov 12, 5:36 am)
Re: [fuse-devel] [PATCHSET] FUSE: extend FUSE to support mor..., Mike Hommey, (Wed Nov 12, 5:43 am)
Re: [fuse-devel] [PATCHSET] FUSE: extend FUSE to support mor..., Szabolcs Szakacsits, (Tue Oct 14, 8:16 am)
Re: [fuse-devel] [PATCHSET] FUSE: extend FUSE to support mor..., Miklos Szeredi, (Tue Oct 14, 8:43 am)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Miklos Szeredi, (Thu Aug 28, 2:20 pm)
Re: [PATCHSET] FUSE: extend FUSE to support more operations, Tejun Heo, (Thu Aug 28, 2:23 pm)
[PATCH 5/7] FUSE: implement ioctl support, Tejun Heo, (Thu Aug 28, 1:41 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, H. Peter Anvin, (Thu Aug 28, 2:20 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, Tejun Heo, (Thu Aug 28, 2:28 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, H. Peter Anvin, (Thu Aug 28, 3:08 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, Miklos Szeredi, (Thu Aug 28, 3:18 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, H. Peter Anvin, (Thu Aug 28, 4:21 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, Miklos Szeredi, (Thu Aug 28, 4:55 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, H. Peter Anvin, (Thu Aug 28, 5:27 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, Miklos Szeredi, (Fri Aug 29, 3:32 am)
Re: [PATCH 5/7] FUSE: implement ioctl support, Greg KH, (Thu Aug 28, 1:51 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, Tejun Heo, (Thu Aug 28, 1:59 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, Tejun Heo, (Thu Aug 28, 2:02 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, Greg KH, (Thu Aug 28, 2:14 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, Tejun Heo, (Thu Aug 28, 2:25 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, Tejun Heo, (Thu Aug 28, 2:01 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, Miklos Szeredi, (Thu Aug 28, 2:13 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, Tejun Heo, (Thu Aug 28, 2:17 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, Miklos Szeredi, (Thu Aug 28, 2:23 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, Tejun Heo, (Thu Aug 28, 2:34 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, Alan Cox, (Thu Aug 28, 4:48 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, Miklos Szeredi, (Thu Aug 28, 3:25 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, Tejun Heo, (Thu Aug 28, 3:42 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, Miklos Szeredi, (Thu Aug 28, 4:02 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, Tejun Heo, (Thu Aug 28, 10:19 pm)
Re: [fuse-devel] [PATCH 5/7] FUSE: implement ioctl support, Roger Willcocks, (Fri Aug 29, 7:31 am)
Re: [fuse-devel] [PATCH 5/7] FUSE: implement ioctl support, Tejun Heo, (Fri Aug 29, 7:54 am)
Re: [PATCH 5/7] FUSE: implement ioctl support, Miklos Szeredi, (Fri Aug 29, 3:59 am)
Re: [PATCH 5/7] FUSE: implement ioctl support, Tejun Heo, (Fri Aug 29, 4:12 am)
Re: [PATCH 5/7] FUSE: implement ioctl support, Miklos Szeredi, (Fri Aug 29, 4:29 am)
Re: [PATCH 5/7] FUSE: implement ioctl support, Tejun Heo, (Fri Aug 29, 5:03 am)
Re: [PATCH 5/7] FUSE: implement ioctl support, Eric W. Biederman, (Fri Aug 29, 3:17 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, Miklos Szeredi, (Mon Sep 1, 7:57 am)
Re: [PATCH 5/7] FUSE: implement ioctl support, Tejun Heo, (Mon Sep 1, 8:03 am)
Re: [PATCH 5/7] FUSE: implement ioctl support, Eric W. Biederman, (Wed Sep 3, 10:32 am)
Re: [PATCH 5/7] FUSE: implement ioctl support, Tejun Heo, (Wed Sep 3, 10:40 am)
Re: [PATCH 5/7] FUSE: implement ioctl support, Eric W. Biederman, (Wed Sep 3, 5:51 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, Tejun Heo, (Wed Sep 3, 8:09 pm)
Re: [PATCH 5/7] FUSE: implement ioctl support, Tejun Heo, (Sat Aug 30, 7:40 am)
Re: [PATCH 5/7] FUSE: implement ioctl support, Arnd Bergmann, (Fri Aug 29, 3:47 pm)
[PATCH 7/7] FUSE: implement poll support, Tejun Heo, (Thu Aug 28, 1:41 pm)
[PATCH 6/7] FUSE: implement unsolicited notification, Tejun Heo, (Thu Aug 28, 1:41 pm)
[PATCH 4/7] FUSE: implement direct lseek support, Tejun Heo, (Thu Aug 28, 1:41 pm)
[PATCH 1/7] FUSE: add include protectors, Tejun Heo, (Thu Aug 28, 1:40 pm)
[PATCH 3/7] FUSE: implement nonseekable open, Tejun Heo, (Thu Aug 28, 1:40 pm)
[PATCH 2/7] FUSE: pass nonblock flag to client, Tejun Heo, (Thu Aug 28, 1:40 pm)