On Tue, 2017-05-02 at 13:54 -0500, Bryant G. Ly wrote: > The driver is sending a response to the actual scsi op that was > aborted by an abort task TM, while LIO is sending a response to > the abort task TM. > > ibmvscsis_tgt does not send the response to the client until > release_cmd time. The reason for this was because if we did it > at queue_status time, then the client would be free to reuse the > tag for that command, but we're still using the tag until the > command is released at release_cmd time, so we chose to delay > sending the response until then. That then caused this issue, because > release_cmd is always called, even if queue_status is not. > > SCSI spec says that the initiator that sends the abort task > TM NEVER gets a response to the aborted op and with the current > code it will send a response. Thus this fix will remove that response > if the TAS bit is set. > > Cc: <stable@xxxxxxxxxxxxxxx> # v4.8+ > Signed-off-by: Bryant G. Ly <bryantly@xxxxxxxxxxxxxxxxxx> > Reviewed-by: Tyrel Datwyler <tyreld@xxxxxxxxxxxxxxxxxx> > --- > drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c | 66 ++++++++++++++++++++++---------- > 1 file changed, 45 insertions(+), 21 deletions(-) Applied, with a small update to the last sentence of the commit log wrt to 'if ABORTED && !TAS bit is set'. Thanks Bryant + Tyrel.
