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From: David Howells <dhowells@redhat.com>
To: Andreas Dilger <adilger@sun.com>
Cc: dhowells@redhat.com, torvalds@osdl.org,
	akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
	linux-afs@lists.infradead.org, linux-fsdevel@vger.kernel.org,
	Wang Lei <wang840925@gmail.com>
Subject: Re: [PATCH 03/17] VFS: Implement handling for pathless pioctls
Date: Wed, 17 Jun 2009 19:26:37 +0100	[thread overview]
Message-ID: <28511.1245263197@redhat.com> (raw)
In-Reply-To: <20090617074711.GZ13073@webber.adilger.int>

Andreas Dilger <adilger@sun.com> wrote:

> Wouldn't it make a lot more sense to create a virtual device, open the
> mountpoint, or do _something_ that associates these calls with AFS
> directly instead of having the kernel magically route the call to a
> specific filesystem?

Ummm...  You mean like mkdir, rmdir, symlink, readlink, mknod, creat, open,
unlink, etc. aren't magically routed by the kernel to a specific filesystem
based on the pathname?

The exception to that is pathless pioctls which are most annoying and require
special handling and foreknowledge whatever.

David

  parent reply	other threads:[~2009-06-17 18:26 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-16 20:38 [PATCH 00/17] [RFC] AFS: Implement OpenAFS pioctls(version)s David Howells
2009-06-16 20:38 ` [PATCH 01/17] VFS: Implement the pioctl() system call David Howells
2009-06-16 20:54   ` Christoph Hellwig
2009-06-17  0:19   ` David Howells
2009-06-17  9:02     ` Alan Cox
2009-06-16 20:38 ` [PATCH 02/17] VFS: Implement the AFS " David Howells
2009-06-16 20:39 ` [PATCH 03/17] VFS: Implement handling for pathless pioctls David Howells
2009-06-17  7:47   ` Andreas Dilger
2009-06-17 18:26   ` David Howells [this message]
2009-06-16 20:39 ` [PATCH 04/17] AFS: Add key request for pioctl David Howells
2009-06-16 20:39 ` [PATCH 05/17] AFS: Handle pathless pioctls aimed at AFS David Howells
2009-06-16 20:39 ` [PATCH 06/17] VFS: Define pioctl command wrappers David Howells
2009-06-16 20:39 ` [PATCH 07/17] AFS: Implement the PGetFid pioctl David Howells
2009-06-16 20:39 ` [PATCH 08/17] AFS: Implement the PGetFileCell pioctl David Howells
2009-06-16 20:39 ` [PATCH 09/17] AFS: Implement the PGetVolStat pioctl David Howells
2009-06-16 20:39 ` [PATCH 10/17] AFS: Implement the PWhereIs pioctl David Howells
2009-06-17  7:51   ` Andreas Dilger
2009-06-17 18:05   ` David Howells
2009-06-16 20:39 ` [PATCH 11/17] AFS: Implement the PFlushCB pioctl David Howells
2009-06-16 20:39 ` [PATCH 12/17] KEYS: Export lookup_user_key() and the key permission request flags David Howells
2009-06-16 20:39 ` [PATCH 13/17] RxRPC: Record extra data in key David Howells
2009-06-16 20:39 ` [PATCH 14/17] RxRPC: Declare the security index constants symbolically David Howells
2009-06-16 20:40 ` [PATCH 15/17] AFS: Implement the PSetTokens pioctl David Howells
2009-06-16 20:40 ` [PATCH 16/17] KEYS: Add a function by which the contents of a keyring can be enumerated David Howells
2009-06-16 20:40 ` [PATCH 17/17] AFS: Implement the PGetTokens pioctl David Howells
2009-06-16 22:59 ` [PATCH 00/17] [RFC] AFS: Implement OpenAFS pioctls(version)s David Howells
2009-06-16 23:11   ` Alan Cox
2009-06-17  0:25   ` David Howells
2009-06-17  7:55     ` Andreas Dilger
2009-06-17 16:09       ` Linus Torvalds
2009-06-17 18:37         ` Al Viro
2009-06-17 18:44           ` Linus Torvalds
2009-06-17 18:52             ` Al Viro
2009-06-17 19:28             ` David Howells
2009-06-18 12:50               ` Olivier Galibert
2009-06-17 17:24       ` David Howells
2009-06-17 17:33         ` Linus Torvalds
2009-06-17 18:03         ` David Howells
2009-06-17 18:24           ` Linus Torvalds
2009-06-17 18:30           ` Theodore Tso
2009-06-17 19:14             ` david
2009-06-17 19:30             ` David Howells
2009-06-17 19:51           ` David Howells
2009-06-17 20:09             ` Linus Torvalds
2009-06-17  9:00     ` Alan Cox

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