Re: [RFC 1/4] Large Blocksize support for Ext2/3/4

Christoph Lameter
2007-08-30T01:00:15Z

On Wed, 29 Aug 2007, Mingming Cao wrote:

> It's quite simple to support large block size in ext2/3/4, mostly just
> enlarge the block size limit. But it is NOT possible to have 64kB
> blocksize on ext2/3/4 without some changes to the directory handling
> code. The reason is that an empty 64kB directory block would have a
> rec_len == (__u16)2^16 == 0, and this would cause an error to be hit in
> the filesystem. The proposed solution is to put 2 empty records in such
> a directory, or to special-case an impossible value like rec_len =
> 0xffff to handle this.

Ahh. Good.

I could add the path to the large blocksize patchset?