Re: [PATCH 3/9] block: default the discard granularity to sector size

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To: John Pittman <jpittman@xxxxxxxxxx>
Subject: Re: [PATCH 3/9] block: default the discard granularity to sector size
From: Christoph Hellwig <hch@xxxxxx>
Date: Wed, 3 Jan 2024 08:57:29 +0100
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Cc: Christoph Hellwig <hch@xxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Richard Weinberger <richard@xxxxxx>, Anton Ivanov <anton.ivanov@xxxxxxxxxxxxxxxxxx>, Josef Bacik <josef@xxxxxxxxxxxxxx>, Minchan Kim <minchan@xxxxxxxxxx>, Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>, Coly Li <colyli@xxxxxxx>, Miquel Raynal <miquel.raynal@xxxxxxxxxxx>, Vignesh Raghavendra <vigneshr@xxxxxx>, linux-um@xxxxxxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, nbd@xxxxxxxxxxxxxxxx, linux-bcache@xxxxxxxxxxxxxxx, linux-mtd@xxxxxxxxxxxxxxxxxxx
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On Tue, Jan 02, 2024 at 05:11:19PM -0500, John Pittman wrote:
> Hi Christoph, is there a reason you used 512 instead of SECTOR_SIZE
> from include/linux/blk_types.h?  Thanks!

To match the logical_block_size/physical_block_size/io_min
assignments just below.

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References:
- provide a sane discard_granularity default
  - From: Christoph Hellwig
- [PATCH 3/9] block: default the discard granularity to sector size
  - From: Christoph Hellwig
- Re: [PATCH 3/9] block: default the discard granularity to sector size
  - From: John Pittman

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