From: Gianni Tedesco <gianni@ecsc.co.uk>
To: chandrasekhar.nagaraj@patni.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: Path Name to kdev_t
Date: 14 Nov 2002 15:20:55 +0000 [thread overview]
Message-ID: <1037287255.9317.30.camel@lemsip> (raw)
In-Reply-To: <000101c28be4$9ff1bf20$e9bba5cc@patni.com>
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On Thu, 2002-11-14 at 13:49, chandrasekhar.nagaraj wrote:
> In one of the part of my driver module , I have a path name to a device file
> (for eg:- /dev/hda1) .Now if I want to obtain the associated major number
> and minor number i.e. device ID(kdev_t) of this file what would be the
> procedure?
You need to lookup the inode from the path using namei() or something
then it's just a field in the inode.
Check out fs/namei.c and related headers for more details.
--
// Gianni Tedesco (gianni at ecsc dot co dot uk)
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next prev parent reply other threads:[~2002-11-14 15:14 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-14 13:49 Path Name to kdev_t chandrasekhar.nagaraj
2002-11-14 15:20 ` Gianni Tedesco [this message]
2002-11-14 15:32 ` Steven Dake
2002-11-14 22:50 ` Irfan Hamid
2002-11-15 16:15 ` Joe Thornber
2002-11-15 16:28 ` Christoph Hellwig
2002-11-15 18:10 ` Alexander Viro
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