On Wed, Jun 26, 2024 at 02:11:11PM +0800, Oliver Sang wrote: > hi, Christoph Hellwig, > > On Mon, Jun 24, 2024 at 10:35:37AM +0200, Christoph Hellwig wrote: > > This is odd to say at least. Any chance you can check the value > > of /sys/block/$DEVICE/queue/rotational for the relevant device before > > and after this commit? And is this an ATA or NVMe SSD? > > > > yeah, as Niklas mentioned, it's an ATA SSD. > > I checked the /sys/block/$DEVICE/queue/rotational before and after this commit, > both show '0'. not sure if this is expected. > > anyway, I noticed you send a patch [1] > > so I applied this patch upon bd4a633b6f, and found the performance restored. Thanks for testing!
