Re: Path Name to kdev_t

[Gianni Tedesco]

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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 f=
ile
> (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.

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// Gianni Tedesco (gianni at ecsc dot co dot uk)
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