Re: remove EXT2_MAX_BLOCK_SIZE

[William Lee Irwin III <wli@holomorphy.com>]

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