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Date: Fri, 31 May 2024 09:17:23 -0700
From: Christoph Hellwig <hch@infradead.org>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: Christoph Hellwig <hch@infradead.org>,
	Zhang Yi <yi.zhang@huaweicloud.com>, linux-xfs@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	brauner@kernel.org, david@fromorbit.com, chandanbabu@kernel.org,
	jack@suse.cz, willy@infradead.org, yi.zhang@huawei.com,
	chengzhihao1@huawei.com, yukuai3@huawei.com
Subject: Re: [RFC PATCH v4 5/8] xfs: refactor the truncating order
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On Fri, May 31, 2024 at 08:27:32AM -0700, Darrick J. Wong wrote:
> On Fri, May 31, 2024 at 06:31:36AM -0700, Christoph Hellwig wrote:
> > > +	write_back = newsize > ip->i_disk_size && oldsize != ip->i_disk_size;
> > 
> > Maybe need_writeback would be a better name for the variable?  Also no
> > need to initialize it to false at declaration time if it is
> > unconditionally set here.
> 
> This variable captures whether or not we need to write dirty file tail
> data because we're extending the ondisk EOF, right?

Yes.

> I don't really like long names like any good 1980s C programmer, but
> maybe we should name this something like "extending_ondisk_eof"?

Sure.