From: Paolo Bonzini <pbonzini@redhat.com>
To: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, Jan Kara <jack@suse.cz>,
Jens Axboe <axboe@kernel.dk>, LKML <linux-kernel@vger.kernel.org>,
James Bottomley <JBottomley@parallels.com>,
linux-scsi@vger.kernel.org
Subject: Re: [PATCH] scsi: Silence unnecessary warnings about ioctl to partition
Date: Wed, 02 May 2012 22:49:12 +0200 [thread overview]
Message-ID: <4FA19DC8.2030001@redhat.com> (raw)
In-Reply-To: <4FA157A6.7050209@redhat.com>
Il 02/05/2012 17:49, Paolo Bonzini ha scritto:
>> > Customisable filters are not hard. We've got all the filtering code in
>> > kernel and the ability to verify filters, even the ability to JIT them.
>> > Just support adding/removing/running a BPF filter on the channel in
>> > question.
>> >
>> > So it shouldn't be much code to do what you want.
> Yes, it's not much code if I don't get into cgroups land and stick with
> a ioctl to add and remove BPF filters that look at CDBs.
Except that then I need to access some "struct file" member in SG_IO,
thus changing ioctl from block_device/fmode to block_device/file. This
would partially undo the 2007 switch from inode/file by Al Viro.
Somehow I'm not that optimist anymore, though I'd be happy to be proven
wrong.
Paolo
next prev parent reply other threads:[~2012-05-02 20:49 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-02 10:10 [PATCH] scsi: Silence unnecessary warnings about ioctl to partition Jan Kara
2012-05-02 10:10 ` Jan Kara
2012-05-02 10:15 ` Paolo Bonzini
2012-05-02 10:37 ` Jens Axboe
2012-05-02 10:54 ` Alan Cox
2012-05-02 11:02 ` Paolo Bonzini
2012-05-02 11:12 ` Alan Cox
2012-05-02 11:24 ` Paolo Bonzini
2012-05-02 12:05 ` Alan Cox
2012-05-02 12:23 ` Paolo Bonzini
2012-05-02 19:38 ` Mark Lord
2012-05-03 7:47 ` Paolo Bonzini
2012-05-03 12:40 ` Mark Lord
2012-05-03 12:47 ` Paolo Bonzini
2012-05-03 17:36 ` Mark Lord
2012-05-04 6:39 ` Paolo Bonzini
2012-05-04 13:06 ` Mark Lord
2012-05-04 13:08 ` Paolo Bonzini
2012-05-04 13:11 ` Mark Lord
2012-05-04 13:24 ` Mark Lord
2012-05-02 13:51 ` Jan Kara
2012-05-02 13:59 ` Paolo Bonzini
2012-05-02 15:10 ` Alan Cox
2012-05-02 15:49 ` Paolo Bonzini
2012-05-02 20:49 ` Paolo Bonzini [this message]
2012-05-02 19:49 ` Jan Kara
2012-05-02 21:16 ` Paolo Bonzini
2012-06-15 8:14 ` Paolo Bonzini
2012-06-15 8:46 ` Jan Kara
-- strict thread matches above, loose matches on Subject: below --
2012-06-15 10:50 Jan Kara
2012-06-15 10:50 ` Jan Kara
2012-06-15 10:51 ` Jens Axboe
2012-06-15 13:58 ` Nick Bowler
2012-06-15 14:22 ` Paolo Bonzini
2012-06-15 14:23 ` Jan Kara
2012-06-15 14:31 ` Nick Bowler
2012-06-15 11:00 ` Alan Cox
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