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From: Christoph Hellwig <>
To: Andreas Gruenbacher <>
Cc: Christoph Hellwig <>,
	"Darrick J. Wong" <>,,,,
Subject: Re: [PATCH] iomap: Fix direct I/O write consistency check
Date: Mon, 7 Sep 2020 08:07:01 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Thu, Sep 03, 2020 at 06:56:32PM +0200, Andreas Gruenbacher wrote:
> When a direct I/O write falls back to buffered I/O entirely, dio->size
> will be 0 in iomap_dio_complete.  Function invalidate_inode_pages2_range
> will try to invalidate the rest of the address space.  If there are any
> dirty pages in that range, the write will fail and a "Page cache
> invalidation failure on direct I/O" error will be logged.

Looks good,

Reviewed-by: Christoph Hellwig <>

      parent reply	other threads:[~2020-09-07  7:07 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-03 16:56 Andreas Gruenbacher
2020-09-03 21:12 ` Eric Sandeen
2020-09-03 21:47   ` Andreas Gruenbacher
2020-09-07  7:07 ` Christoph Hellwig [this message]

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