How to verify block numbers of file ?

[SandeepKsinha]

On Sun, Feb 20, 2011 at 8:47 PM, kashish bhatia <koolest77 at gmail.com> wrote:
>
>
> On Sun, Feb 20, 2011 at 7:32 PM, Abhijit Hoskeri <abhijithoskeri at gmail.com>
> wrote:
>>
>> On Sun, Feb 20, 2011 at 6:52 PM, kashish bhatia <koolest77 at 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?
>> >
>>
You can use debugfs utility. Otherwise if you want to use the API, you
can use FIBMAP.
Google for usage of FIBMAP, you will get it for sure !

>> 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
>
>
> What exactly FIBMAP is  and how to use it ?
>
> For instance , if I made my own module and I am using ioctl. Then how should
> I use it?
>
> Is it a function?
>
>
> --
> Regards,
> Kashish
>
>
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-- 
Regards,
Sandeep.






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