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From: hch@lst.de (Christoph Hellwig)
Subject: [PATCH V4 0/2] nvmet: implement flush all support
Date: Thu, 28 Jun 2018 16:42:06 +0200	[thread overview]
Message-ID: <20180628144206.GA17432@lst.de> (raw)
In-Reply-To: <20180626221717.19992-1-chaitanya.kulkarni@wdc.com>

On Tue, Jun 26, 2018@06:17:15PM -0400, Chaitanya Kulkarni wrote:
> Hi,
> 
> This implements the flush command behavior described in
> "NVMe 1.3a  TP 4035" for NSID value of FFFFFFFFh. Now flush command
> applies to all the namespaces attached to the controller processing the
> Flush command when the value 0xFFFFFFFF is set in the NSID field. 

Why?  No other I/O command supports 0xFFFFFFFF, and sending an all
namespaces flush is entirely unnatural.  Unless we have a very strong
use case I don't want to carry this code around.

  parent reply	other threads:[~2018-06-28 14:42 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-26 22:17 [PATCH V4 0/2] nvmet: implement flush all support Chaitanya Kulkarni
2018-06-26 22:17 ` [PATCH V4 1/2] nvmet: move struct work_struct out of union Chaitanya Kulkarni
2018-06-26 22:17 ` [PATCH V4 2/2] nvmet: add support for flush all Chaitanya Kulkarni
2018-06-27  8:04   ` Sagi Grimberg
2018-06-28 14:42 ` Christoph Hellwig [this message]
2018-07-02  5:43   ` [PATCH V4 0/2] nvmet: implement flush all support Chaitanya Kulkarni
2018-07-02 12:16     ` Christoph Hellwig

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