On 11/9/21 9:39 AM, Christoph Hellwig wrote: > On Mon, Nov 08, 2021 at 06:13:36PM -0800, Jaegeuk Kim wrote: >> This patch adds a way to attach HIPRI by expanding the existing sysfs's >> data_io_flag. User can measure IO performance by enabling it. > > NAK. This flag should only be used when explicitly specified by > the submitter of the I/O. Yes, this cannot be set in the middle for a multitude of reasons. I wonder if we should add a comment to that effect near the definition of it. -- Jens Axboe
