From: William Lee Irwin III (
Date: Wed Jan 22 2003 - 16:15:48 EST

On Wed, Jan 22, 2003 at 02:12:42PM -0700, Andreas Dilger wrote:
> Actually, the correct fix is to check in ext2_read_super() whether the
> blocksize is larger than EXT2_MAX_BLOCK_SIZE like ext3 does, and maybe
> even fix up the code drift between that part of ext2_read_super() and
> ext3_read_super()...
> Both ext2 and ext3 will in theory support a blocksize up to PAGE_SIZE,
> but nobody with access to a > 4kB PAGE_SIZE system has bothered to test
> whether it works, so EXT[23]_MAX_BLOCK_SIZE has not been increased.
> Any e2fsprogs from the last year or so will support larger blocksizes,
> but it has never been tested AFAIK.

Block sizes > 4K should be trivially testable on IA64. ISTR bcrl having
patches to increase PAGE_CACHE_SIZE independently of PAGE_SIZE and
repair ext2's assumptions, so they should also be testable that way.

-- wli
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

This archive was generated by hypermail 2b29 : Thu Jan 23 2003 - 22:00:30 EST