linux-kernel - Re: [dm-devel] [PATCH v14 01/11] block: Introduce queue limits and sysfs for copy-offload support

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Message-ID: <20230814103505.rjcv4esakiqpndnl@green245>
Date:   Mon, 14 Aug 2023 16:05:05 +0530
From:   Nitesh Shetty <nj.shetty@...sung.com>
To:     Bart Van Assche <bvanassche@....org>
Cc:     Jens Axboe <axboe@...nel.dk>, Jonathan Corbet <corbet@....net>,
        Alasdair Kergon <agk@...hat.com>,
        Mike Snitzer <snitzer@...nel.org>, dm-devel@...hat.com,
        Keith Busch <kbusch@...nel.org>,
        Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>,
        Chaitanya Kulkarni <kch@...dia.com>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Christian Brauner <brauner@...nel.org>,
        Kanchan Joshi <joshi.k@...sung.com>,
        martin.petersen@...cle.com, linux-doc@...r.kernel.org,
        gost.dev@...sung.com, Anuj Gupta <anuj20.g@...sung.com>,
        linux-kernel@...r.kernel.org, linux-nvme@...ts.infradead.org,
        linux-block@...r.kernel.org, mcgrof@...nel.org, dlemoal@...nel.org,
        linux-fsdevel@...r.kernel.org
Subject: Re: [dm-devel] [PATCH v14 01/11] block: Introduce queue limits and
 sysfs for copy-offload support

On 23/08/11 02:56PM, Bart Van Assche wrote:
>On 8/11/23 03:52, Nitesh Shetty wrote:
>>+/* maximum copy offload length, this is set to 128MB based on current testing */
>>+#define COPY_MAX_BYTES		(1 << 27)
>
>Since the COPY_MAX_BYTES constant is only used in source file
>block/blk-settings.c it should be moved into that file. If you really
>want to keep it in include/linux/blkdev.h, a BLK_ prefix should
>be added.
>
We are using this in other files. So we will add a prefix BLK_.

Thank you,
Nitesh Shetty