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    SubjectRe: breaking the 2Gigabyte limit on 32 bit arch of inode->i_size (off_t vs loff_t)


    On Sat, 20 Mar 1999, Andrea Arcangeli wrote:

    > I did a little count:
    >
    > - 256 block indexed in a blocksize of 1k
    > - 12 direct block
    > - 1 indirect, 1 double-indirect, 1 triple-indirect
    >
    > so the number of blocks we'll be able to address once we'll broke the
    > i_size limit will be:
    >
    > 12 + 256 + 256^2 + 256^3 -> 16843020
    >
    > Considering blocksize = 1k we'll be able to address only 16giga according
    > to me. So I'll add a quad level of indirection. This will give as a view

    Or we can use 4k blocks and get 256 times more than that. I.e.
    same 4Tb.


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