Messages in this thread | | | Subject | Re: Path Name to kdev_t | From | Gianni Tedesco <> | Date | 14 Nov 2002 15:20:55 +0000 |
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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) lynx --source www.scaramanga.co.uk/gianni-at-ecsc.asc | gpg --import 8646BE7D: 6D9F 2287 870E A2C9 8F60 3A3C 91B5 7669 8646 BE7D [unhandled content-type:application/pgp-signature] | |