>
> Ok. Sorry for continuing to pose this question. Say I have the following
> situation where there is a file called foo in the /tmp directory. How can
> I given the inode for the file 'foo' get the inode for the directory,
> /tmp. This is within kernel space.
Erm? Are you dealing with 2.0 or 2.2? On 2.2 you are looking for a
dentry of file and then look for ->d_parent - it will be dentry of parent
directory. For root directory (of filesystem) ->d_parent points to itself.
To find the dentry of mountpoint under it use ->d_covers.
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