Christoph Hellwig <hch@xxxxxx> wrote: > File systems usually pad zeroes where they have to, typically for > sub-blocksize writes. Disabling this would break data integrity. I understand that. I can, however, round up the netfs I/O granule size and alignment to a multiple of the cachefile I/O block size. Also, I'm doing DIO, so I have to use block size multiples. But if the filesystem can avoid bridging large, appropriately sized and aligned blocks, then I can use it. David
