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Date: Tue, 13 Feb 2024 07:24:27 +0100
From: Christoph Hellwig <hch@lst.de>
To: John Garry <john.g.garry@oracle.com>
Cc: axboe@kernel.dk, kbusch@kernel.org, hch@lst.de, sagi@grimberg.me,
	jejb@linux.ibm.com, martin.petersen@oracle.com, djwong@kernel.org,
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	jack@suse.cz, linux-block@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org,
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	tytso@mit.edu, jbongio@google.com, linux-scsi@vger.kernel.org,
	ming.lei@redhat.com, ojaswin@linux.ibm.com, bvanassche@acm.org,
	Himanshu Madhani <himanshu.madhani@oracle.com>
Subject: Re: [PATCH v3 05/15] block: Add REQ_ATOMIC flag
Message-ID: <20240213062427.GC23128@lst.de>
References: <20240124113841.31824-1-john.g.garry@oracle.com> <20240124113841.31824-6-john.g.garry@oracle.com>
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On Wed, Jan 24, 2024 at 11:38:31AM +0000, John Garry wrote:
> From: Himanshu Madhani <himanshu.madhani@oracle.com>
> 
> Add flag REQ_ATOMIC, meaning an atomic operation. This should only be
> used in conjunction with REQ_OP_WRITE.
> 
> We will not add a special "request atomic write" operation, as to try to
> avoid maintenance effort for an operation which is almost the same as
> REQ_OP_WRITE.

I'd also merge this into the main atomic writes block layer patch..