From: Al Viro <viro@ftp.linux.org.uk>
To: Ashish Khurange <ashishk@it.iitb.ac.in>
Cc: Shaya Potter <spotter@cs.columbia.edu>, linux-fsdevel@vger.kernel.org
Subject: Re: get vfsmount from dentry
Date: Sun, 12 Mar 2006 19:13:19 +0000 [thread overview]
Message-ID: <20060312191319.GE27946@ftp.linux.org.uk> (raw)
In-Reply-To: <44146E7E.8090902@it.iitb.ac.in>
On Mon, Mar 13, 2006 at 12:24:54AM +0530, Ashish Khurange wrote:
> In few functions (like sys_fchmod) I have file struct as an argument,
> which provides me both vfsmount and dentry, hence I can find out
> pathname of the file being changed.
> Where as in few functions (like vfs_mkdir) I have only dentry and inode
> of the directory, which are not sufficient to find the pathname.
>
> I hope I am clear now.
mkdir /tmp/1
mkdir /tmp/2
mkdir /tmp/3
mount --bind /tmp/2 /tmp/1
mkdir /tmp/1/a
umount /tmp/1
mount --bind /tmp/3 /tmp/1
mkdir /tmp/1/a
umount /tmp/1
What output do you want to get from the last two mkdir() calls, assuming
you do have vfsmounts? What is this output useful for?
next prev parent reply other threads:[~2006-03-12 19:13 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-12 13:44 get vfsmount from dentry Ashish Khurange
2006-03-12 13:55 ` Al Viro
2006-03-12 17:20 ` Ashish Khurange
2006-03-12 17:41 ` Al Viro
2006-03-12 18:00 ` Ashish Khurange
2006-03-12 18:23 ` Shaya Potter
2006-03-12 18:54 ` Ashish Khurange
2006-03-12 19:13 ` Al Viro [this message]
2006-03-12 20:34 ` Ashish Khurange
2006-03-12 20:45 ` Shaya Potter
2006-03-13 7:24 ` Jan Hudec
2006-03-12 18:24 ` Al Viro
2006-03-12 19:10 ` Jamie Lokier
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