From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Bodo Stroesser <bostroesser@gmail.com>
Cc: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Mike Christie <michael.christie@oracle.com>
Subject: Re: [Resend PATCH v4] scsi: target: tcmu: Add new feature KEEP_BUF
Date: Mon, 02 Aug 2021 22:13:24 -0400 [thread overview]
Message-ID: <yq18s1jl1hk.fsf@ca-mkp.ca.oracle.com> (raw)
In-Reply-To: <20210713175021.20103-1-bostroesser@gmail.com> (Bodo Stroesser's message of "Tue, 13 Jul 2021 19:50:21 +0200")
Bodo,
> When running command pipelining for WRITE direction commands,
> (e.g. tape device write) userspace sends cmd completion to cmd ring
> before processing write data. In that case userspace has to copy data
> before sending completion, because cmd completion also implicitly
> releases the data buffer in data area.
Applied to 5.15/scsi-staging, thanks!
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2021-08-03 2:13 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-13 17:50 [Resend PATCH v4] scsi: target: tcmu: Add new feature KEEP_BUF Bodo Stroesser
2021-08-01 18:49 ` Mike Christie
2021-08-03 2:13 ` Martin K. Petersen [this message]
2021-08-10 5:20 ` Martin K. Petersen
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