On 2012-05-10, at 3:23 AM, David Howells wrote: > Andreas Dilger <aedilger@xxxxxxxxx> 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. But there are several optimal IO sizes, so unless there is a clear description of what each of these fields is intended to be used for, it doesn't make sense to add them in. > Dave Chinner might be able to answer better as he suggested these > I/O information fields. > > David Cheers, Andreas -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html