On Thu, 11 Oct 2007 13:18:49 +0200 Jan Kara <[email protected]> wrote:
> With 64KB blocksize, a directory entry can have size 64KB which does not fit
> into 16 bits we have for entry lenght. So we store 0xffff instead and convert
> value when read from / written to disk.
btw, this changes ext2's on-disk format.
a) is the ext2 format documented anywhere? If so, that document will
need updating.
b) what happens when an old ext2 driver tries to read and/or write this
directory entry? Do we need a compat flag for it?
c) what happens when old and new ext3 or ext4 try to read/write this
directory entry?
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