On 4/12/17 11:20 AM, Christoph Hellwig wrote: > On Wed, Apr 12, 2017 at 07:15:40PM +0300, Avi Kivity wrote: >> This preserves the ability to do O_DIRECT reads at 512 byte granularity, >> yes? > > No. > >> We make use of that (it's probably less important on NVMe; still why >> waste bandwidth needlessly). > > In that case it would be the wrong thing for you. And it would be really interesting to see if the 512-byte DIOs you issue under ext4 might trigger the same problem in the firmware. (This is all pure speculation, but that's all we've got) ;) -Eric -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
