On Thu, 18 Oct 2007 02:03:39 -0700 (PDT) Christoph Lameter <clameter@xxxxxxx> 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> - To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html