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

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Message-ID: <aGaKoDhuw72wZ9dM@infradead.org>
Date: Thu, 3 Jul 2025 06:50:24 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Jinliang Zheng <alexjlzheng@...il.com>
Cc: djwong@...nel.org, alexjlzheng@...cent.com, brauner@...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 Wed, Jul 02, 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.