Re: Extended file stat: Splitting file- and fs-specific info?

Andreas Dilger [off-list ref] wrote:

The main question I have about these fields is what the difference is
between st_blksize and st_alloc_blksize?

I would assume that st_blksize is some ideal I/O size, not the allocation
block size.  Dave Chinner might be able to answer better as he suggested these
I/O information fields.

David