Re: [PATCH 04/13] aoe: set an optimal I/O size

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To: Christoph Hellwig <hch@xxxxxx>
Subject: Re: [PATCH 04/13] aoe: set an optimal I/O size
From: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
Date: Thu, 24 Sep 2020 11:51:24 -0400
Cc: Jens Axboe <axboe@xxxxxxxxx>, Song Liu <song@xxxxxxxxxx>, Hans de Goede <hdegoede@xxxxxxxxxx>, Coly Li <colyli@xxxxxxx>, Richard Weinberger <richard@xxxxxx>, Minchan Kim <minchan@xxxxxxxxxx>, Johannes Thumshirn <Johannes.Thumshirn@xxxxxxx>, Justin Sanders <justin@xxxxxxxxxx>, linux-mtd@xxxxxxxxxxxxxxxxxxx, dm-devel@xxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-bcache@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, drbd-dev@xxxxxxxxxxxxxxx, linux-raid@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, cgroups@xxxxxxxxxxxxxxx, Jan Kara <jack@xxxxxxx>
In-reply-to: <20200924065140.726436-5-hch@lst.de> (Christoph Hellwig's message of "Thu, 24 Sep 2020 08:51:31 +0200")
Organization: Oracle Corporation

Christoph,

> aoe forces a larger readahead size, but any reason to do larger I/O is
> not limited to readahead.  Also set the optimal I/O size, and remove
> the local constants in favor of just using SZ_2G.

Reviewed-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>

-- 
Martin K. Petersen	Oracle Linux Engineering

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References:
- bdi cleanups v7
  - From: Christoph Hellwig
- [PATCH 04/13] aoe: set an optimal I/O size
  - From: Christoph Hellwig

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