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From: Christoph Hellwig <hch@infradead.org>
To: Jan Kara <jack@suse.cz>
Cc: linux-fsdevel@vger.kernel.org,
	Matthew Wilcox <willy@infradead.org>,
	Christoph Hellwig <hch@infradead.org>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] fs: don't allocate blocks beyond EOF from __mpage_writepage
Date: Sun, 8 Jan 2023 09:25:10 -0800	[thread overview]
Message-ID: <Y7r8dsLV0dcs+jBw@infradead.org> (raw)
In-Reply-To: <20230103104430.27749-1-jack@suse.cz>

On Tue, Jan 03, 2023 at 11:44:30AM +0100, Jan Kara wrote:
> When __mpage_writepage() is called for a page beyond EOF, it will go and
> allocate all blocks underlying the page. This is not only unnecessary
> but this way blocks can get leaked (e.g. if a page beyond EOF is marked
> dirty but in the end write fails and i_size is not extended).

Looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>

  parent reply	other threads:[~2023-01-08 17:25 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-03 10:44 [PATCH] fs: don't allocate blocks beyond EOF from __mpage_writepage Jan Kara
2023-01-04  0:02 ` Al Viro
2023-01-04  8:41   ` Jan Kara
2023-01-08 17:25 ` Christoph Hellwig [this message]
2023-01-25 14:23   ` Jan Kara
2023-01-25 15:45     ` Matthew Wilcox
2023-01-26  0:52     ` Andrew Morton
2023-01-26  8:42       ` Jan Kara

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