Messages in this thread | | | Date | Fri, 14 Sep 2012 19:17:12 -0700 | Subject | Re: Getting debugfs mountpoint? | From | Jacob Sowles <> |
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The first instance of my code calls debugfs_create_file and stores a pointer to the dentry of that directory. But when the second instance calls debugfs_create_file, the function returns NULL because that directory already exists, so it doesn't return the dentry that I need.
On Fri, Sep 14, 2012 at 7:11 PM, Al Viro <viro@zeniv.linux.org.uk> wrote: > On Fri, Sep 14, 2012 at 07:07:43PM -0700, Jacob Sowles wrote: >> Multiple instances of my code can be run simultaneously, and all >> instances use the same debugfs directory, so I need the path to the >> debugfs root directory so that I can use filp_open to get the dentry >> for that directory. > > What's wrong with just storing a pointer to that dentry in a variable? > And what do you want an opened file (of a directory, at that) on debugfs?
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