From mboxrd@z Thu Jan 1 00:00:00 1970 From: indraneel.m@samsung.com (Indraneel Mukherjee) Date: Wed, 17 Sep 2014 18:02:16 +0530 Subject: Question on IOStat accounting Message-ID: <067e01cfd273$76dbc4e0$64934ea0$@samsung.com> In the current implementation of IO accounting in the nvme driver, accounting is started once IOD is successfully prepared. Thereafter 2 cases can happen, either IO gets successfully submitted to device or it can get queued up in the IOD list if there is a failure. So what's the definition of iostat here? In-flight in the device or in-flight in the driver ? Is there a need to make this consistent? -Indro