From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Ming Lei <ming.lei@redhat.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>,
linux-scsi@vger.kernel.org,
"Martin K . Petersen" <martin.petersen@oracle.com>,
linux-block@vger.kernel.org, Omar Sandoval <osandov@fb.com>,
Christoph Hellwig <hch@lst.de>,
Don Brace <don.brace@microsemi.com>,
Kashyap Desai <kashyap.desai@broadcom.com>,
Mike Snitzer <snitzer@redhat.com>, Hannes Reinecke <hare@suse.de>,
Laurence Oberman <loberman@redhat.com>,
Bart Van Assche <bart.vanassche@wdc.com>,
Jens Axboe <axboe@kernel.dk>
Subject: Re: [PATCH 0/2] scsi: revert two commits for avoiding host-wide host_busy counter for scsi_mq
Date: Mon, 27 Aug 2018 13:00:53 -0400 [thread overview]
Message-ID: <yq1va7v68xm.fsf@oracle.com> (raw)
In-Reply-To: <20180827072443.26920-1-ming.lei@redhat.com> (Ming Lei's message of "Mon, 27 Aug 2018 15:24:41 +0800")
Ming,
> There is fundamental issue in commit 328728630d9f2bf1 (scsi: core: avoid
> host-wide host_busy counter for scsi_mq) because SCSI's host busy counter
> may not be same with counter of blk-mq's inflight tags, especially in case
> of none io scheduler.
>
> So please revert the two commits.
Applied to 4.19/scsi-fixes, thanks!
--
Martin K. Petersen Oracle Linux Engineering
prev parent reply other threads:[~2018-08-27 17:00 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-27 7:24 [PATCH 0/2] scsi: revert two commits for avoiding host-wide host_busy counter for scsi_mq Ming Lei
2018-08-27 7:24 ` [PATCH 1/2] Revert "scsi: core: fix scsi_host_queue_ready" Ming Lei
2018-08-27 7:24 ` [PATCH 2/2] Revert "scsi: core: avoid host-wide host_busy counter for scsi_mq" Ming Lei
2018-08-27 14:52 ` [PATCH 0/2] scsi: revert two commits for avoiding host-wide host_busy counter for scsi_mq Jens Axboe
2018-08-28 17:54 ` Omar Sandoval
2018-08-28 17:57 ` Jens Axboe
2018-08-27 17:00 ` Martin K. Petersen [this message]
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