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    SubjectRe: Patch to loop device (loop.c)
    On Thu, Dec 03, 1998 at 05:24:12PM +0100, Andi Kleen wrote:

    > >First of all, I found out that the "create_missing_block" function
    > >doesn't seem to work, at least it didn't work on my system.
    > >(If you tried to create a file system with 1024 blocks (1meg) on
    > > a file which was only 1 Byte long it didn't work...)
    > That is because it is not supposed to extend the file length, but
    > to fill in holes in the file (unallocated blocks in the middle of a
    > file)
    > I don't think the loop device should try to extend the file, a block
    > device with varying length does not look like a good idea for me.

    Ahh, so I misunderstood the comment, because I didn't know that
    this would be possible (that a backing file containged blocks
    which are not mapped to the block device). Just out of interest,
    how can such a situation happen ?

    (Do you open a file and then write to position 100000 for example? )

    so long


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