From: Silviu Craciunas <silviu.craciunas@sbg.ac.at>
To: Brice Goglin <Brice.Goglin@ens-lyon.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: get device from file struct
Date: Tue, 12 Dec 2006 10:04:08 +0100 [thread overview]
Message-ID: <1165914248.30185.41.camel@ThinkPadCK6> (raw)
In-Reply-To: <457DA4A0.4060108@ens-lyon.org>
On Mon, 2006-12-11 at 19:34 +0100, Brice Goglin wrote:
> Silviu Craciunas wrote:
> > quick question for the gurus.. is it possible to determine the hardware
> > device from a file struct during read/write system call. For example in
> > fs/read_write.c when doing a vfs_read.
> >
>
> file->f_dentry->d_inode gives you the inode. If the inode is on top of a
> block device, inode->i_bdev gives you a struct block_device that might
> help you.
>
> Brice
thanks for the reply, the block device can be determined with the major
and minor numbers , what I would be more interested in is if one can get
the net_device struct from the file struct
silviu
next prev parent reply other threads:[~2006-12-12 9:04 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-11 15:22 get device from file struct Silviu Craciunas
2006-12-11 18:34 ` Brice Goglin
2006-12-12 9:04 ` Silviu Craciunas [this message]
2006-12-13 9:59 ` Jan Engelhardt
2006-12-13 10:37 ` Silviu Craciunas
2006-12-13 11:03 ` Jan Engelhardt
2006-12-13 12:28 ` Silviu Craciunas
2006-12-13 19:19 ` Jan Engelhardt
2006-12-13 23:53 ` Stephen Hemminger
2006-12-14 13:03 ` Silviu Craciunas
2006-12-14 18:45 ` Stephen Hemminger
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