From: "Kristian Sørensen" <ks@cs.aau.dk>
To: umbrella-devel@lists.sourceforge.net
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [Umbrella-devel] Re: Getting full path from dentry in LSM hooks
Date: Fri, 03 Sep 2004 14:38:12 +0200 [thread overview]
Message-ID: <413865B4.7080208@cs.aau.dk> (raw)
In-Reply-To: <20040903133238.A4145@infradead.org>
Hi Christoph!
Christoph Hellwig wrote:
> On Fri, Sep 03, 2004 at 02:12:21PM +0200, Kristian Sørensen wrote:
>
>>I have a short question, concerning how to get the full path of a file
>>from a LSM hook.
>>
>>- If the "file" of the dentry is located in the root filesystem: no
>> problem - simply traverse the dentrys, to generate the path.
>>
>>- If the "file" is mounted from another partition, you do not get the
>> full path by traversing the dentrys.
>
>
> There is no canonical full path for a given dentry.
Is there another way to get it? We also get an inodepointer from the LSM
hook. As far as I know, the file struct has an entry called vfs_mount,
which has an entry called root_mnt - could this be used? (and if so, how
do I get from the Inode to the file struct? :-/ )
KS.
next prev parent reply other threads:[~2004-09-03 12:40 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-03 12:12 Getting full path from dentry in LSM hooks Kristian Sørensen
2004-09-03 12:32 ` Christoph Hellwig
2004-09-03 12:38 ` Kristian Sørensen [this message]
2004-09-03 13:04 ` [Umbrella-devel] " Christoph Hellwig
2004-09-03 13:20 ` Kristian Sørensen
2004-09-03 14:01 ` Christoph Hellwig
2004-09-03 19:54 ` Kristian Sørensen
2004-09-04 11:09 ` Christoph Hellwig
2004-09-04 18:52 ` Kristian Sørensen
2004-09-03 15:38 ` Stephen Smalley
2004-09-03 12:43 ` Andrea Arcangeli
2004-09-03 14:14 ` Alan Cox
2004-09-03 20:05 ` [Umbrella-devel] " Kristian Sørensen
2004-09-03 20:39 ` Valdis.Kletnieks
2004-09-04 9:06 ` Kristian Sørensen
2004-09-04 10:50 ` Emmanuel Fleury
2004-09-07 14:19 ` Kristian Sørensen
2004-09-04 2:41 ` Horst von Brand
2004-09-04 19:01 ` Kristian Sørensen
2004-09-04 19:06 ` Kristian Sørensen
2004-09-04 16:56 ` Alan Cox
2004-09-04 18:47 ` Kristian Sørensen
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