file offset - inode block number

[Deepak Manohar <mjdeepak@xxxxxxxxx>]

Hi,

 I was wondering if there some way to translate a file offset in bytes
to a corresponding logical block number (b_blocknr)  in the inode.  I
realise that these logical block numbers do not have to be sequential
but am still wondering if there is some macro/function that can do
this.

 thanks.

Deepak Manohar

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