linux-kernel - Re: [PATCH] iomap: avoid unnecessary ifs_set_range

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Message-ID: <20250703143308.661683-1-alexjlzheng@tencent.com>
Date: Thu,  3 Jul 2025 22:33:08 +0800
From: Jinliang Zheng <alexjlzheng@...il.com>
To: hch@...radead.org
Cc: alexjlzheng@...il.com,
	alexjlzheng@...cent.com,
	brauner@...nel.org,
	djwong@...nel.org,
	linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-xfs@...r.kernel.org
Subject: Re: [PATCH] iomap: avoid unnecessary ifs_set_range_uptodate() with locks

On Thu, 3 Jul 2025 06:50:24 -0700, Christoph Hellwig wrote:
> On Wed, Jul 03, 2025 at 08:09:12PM +0800, Jinliang Zheng wrote:
> > ltp and xfstests showed no noticeable errors caused by this patch.
> 
> With what block and page size?  I guess it was block size < PAGE_SIZE
> as otherwise you wouldn't want to optimize this past, but just asking
> in case.

Hahaha, I really want to try -b size=512, but I don't want to turn off
crc, so I can only choose -b size=1024.

By the way, the test was done on xfs.

thanks,
Jinliang Zheng. :)