Re: [PATCH] iomap: avoid unnecessary ifs_set_range_uptodate() with locks

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To: Jinliang Zheng <alexjlzheng@xxxxxxxxx>
Subject: Re: [PATCH] iomap: avoid unnecessary ifs_set_range_uptodate() with locks
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Thu, 3 Jul 2025 06:50:24 -0700
Cc: djwong@xxxxxxxxxx, alexjlzheng@xxxxxxxxxxx, brauner@xxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-xfs@xxxxxxxxxxxxxxx
In-reply-to: <20250702120912.36380-1-alexjlzheng@tencent.com>

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.

Follow-Ups:
- Re: [PATCH] iomap: avoid unnecessary ifs_set_range_uptodate() with locks
  - From: Jinliang Zheng

References:
- Re: [PATCH] iomap: avoid unnecessary ifs_set_range_uptodate() with locks
  - From: Darrick J. Wong
- Re: [PATCH] iomap: avoid unnecessary ifs_set_range_uptodate() with locks
  - From: Jinliang Zheng

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