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From: Hannes Reinecke <hare@suse.de>
To: Christoph Hellwig <hch@lst.de>, axboe@kernel.dk
Cc: torvalds@linuxfoundation.org, linux-block@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] block: remove CONFIG_LBDAF
Date: Mon, 8 Apr 2019 10:30:24 +0200	[thread overview]
Message-ID: <5cd01b3f-84c3-0159-1036-49fca809d171@suse.de> (raw)
In-Reply-To: <20190405160859.5288-1-hch@lst.de>

On 4/5/19 6:08 PM, Christoph Hellwig wrote:
> Currently support for 64-bit sector_t and blkcnt_t is optional on 32-bit
> architectures.  These types are required to support block device and/or
> file sizes larger than 2 TiB, and have generally defaulted to on for
> a long time.  Enabling the option only increases the i386 tinyconfig
> size by 145 bytes, and many data structures already always use
> 64-bit values for their in-core and on-disk data structures anyway,
> so there should not be a large change in dynamic memory usage either.
> 
> Dropping this option removes a somewhat weird non-default config that
> has cause various bugs or compiler warnings when actually used.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
Reviewed-by: Hannes Reinecke <hare@suse.com>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
hare@suse.de			               +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Felix Imendörffer, Mary Higgins, Sri Rasiah
HRB 21284 (AG Nürnberg)

      parent reply	other threads:[~2019-04-08  8:30 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-05 16:08 Christoph Hellwig
2019-04-05 18:00 ` Jens Axboe
2019-04-06 16:30 ` Linus Torvalds
2019-04-06 16:48   ` Jens Axboe
2019-04-08  8:30 ` Hannes Reinecke [this message]

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