From: Vladimir Saveliev <vs@namesys.com>
To: Yijian Wang <yiwang@ECE.NEU.EDU>
Cc: linux-kernel@vger.kernel.org
Subject: Re: filesystem logical block number
Date: Thu, 26 Feb 2004 11:14:14 +0300 [thread overview]
Message-ID: <1077783254.3256.75.camel@tribesman.namesys.com> (raw)
In-Reply-To: <Pine.GSO.4.58.0402251709150.16469@benson>
Hello
On Thu, 2004-02-26 at 01:11, Yijian Wang wrote:
> Hello,
>
> Does anybody know how to get the logical block numbers of file accesses?
> i.e. if I want to read some data from a file, how can I know which block
> numbers I am accessing? Is there any system call?
>
#include <linux/fs.h>
ioctl (fd, FIBMAP, &block)
You have to run this as root, though
> Thank you!
>
> regards,
> Yijian Wang
>
>
>
>
> -
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prev parent reply other threads:[~2004-02-26 8:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-25 22:11 Yijian Wang
2004-02-26 8:14 ` Vladimir Saveliev [this message]
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