From: Al Viro <viro@ZenIV.linux.org.uk>
To: Jacob Sowles <sowlesj@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Getting debugfs mountpoint?
Date: Sat, 15 Sep 2012 03:27:39 +0100 [thread overview]
Message-ID: <20120915022739.GT13973@ZenIV.linux.org.uk> (raw)
In-Reply-To: <CA+cF-pt5_SENuizLXjQOSC4gJ8hMOnc9SamALLU77RWvwFa-sQ@mail.gmail.com>
On Fri, Sep 14, 2012 at 07:17:12PM -0700, Jacob Sowles wrote:
> 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.
... and? Ever heard of that thing called "global variable"?
next prev parent reply other threads:[~2012-09-15 2:27 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-15 1:49 Getting debugfs mountpoint? Jacob Sowles
2012-09-15 1:57 ` Al Viro
2012-09-15 2:07 ` Jacob Sowles
2012-09-15 2:11 ` Al Viro
2012-09-15 2:17 ` Jacob Sowles
2012-09-15 2:19 ` Jacob Sowles
2012-09-15 2:27 ` Al Viro [this message]
2012-09-16 20:23 ` Rob Landley
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20120915022739.GT13973@ZenIV.linux.org.uk \
--to=viro@zeniv.linux.org.uk \
--cc=linux-kernel@vger.kernel.org \
--cc=sowlesj@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).