On Thu, 18 Oct 2007 02:03:39 -0700 (PDT) Christoph Lameter <[email protected]> wrote:
> On Wed, 17 Oct 2007, Andrew Morton wrote:
>
> > 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?
>
> Old ext2 only supports up to 4k
>
> include/linux/ext2_fs.h:
>
> #define EXT2_MIN_BLOCK_SIZE 1024
> #define EXT2_MAX_BLOCK_SIZE 4096
> #define EXT2_MIN_BLOCK_LOG_SIZE 10
>
> Should fail to mount the volume since the block size is too large.
should, but does it?
box:/usr/src/25> grep MAX_BLOCK_SIZE fs/ext2/*.[ch] include/linux/ext2*
include/linux/ext2_fs.h:#define EXT2_MAX_BLOCK_SIZE 4096
box:/usr/src/25>
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