On Fri, Mar 14, 2014 at 11:15 PM, Jan Kara <jack@xxxxxxx> wrote: > On Fri 14-03-14 10:11:43, Tejun Heo wrote: >> > Also, could you please help me do understand how can I guarantee >> > integrity in case of block device with big volatile >> > cache and filesystem, which does not support REQ_FLUSH/FUA? >> >> If a device has a volatile cache but doesn't support flush, it can't >> guarantee integrity. There's no way for its user to determine or >> force whether certain data is on non-volatile media. It's an >> inherently broken device. > I think his problem was that the device does support REQ_FLUSH/FUA but > the filesystem on top of it doesn't issue it properly. That's a filesystem > problem so fix the filesystem... :) Which one is it? take any old school, e.g. ext2 or even better: fat :) -- Roman -- 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
