From mboxrd@z Thu Jan  1 00:00:00 1970
From: abhijithoskeri@gmail.com (Abhijit Hoskeri)
Date: Sun, 20 Feb 2011 19:32:16 +0530
Subject: How to verify block numbers of file ?
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To: kernelnewbies@lists.kernelnewbies.org
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On Sun, Feb 20, 2011 at 6:52 PM, kashish bhatia <koolest77@gmail.com> wrote:
> Is there any method/command/utility to know what are the block numbers which
> are allocated to a file in ext2 fs?
>

The FIBMAP ioctl gives you the block number give an integer, which is
the nth block attached to the inode. It includes blocks allocated to
store indirect blocks too.

-Abhijit