linux-kernel - Re: [PATCH] mm: fix comments for invalidate_inode

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Message-ID: <alpine.LSU.2.00.0910190906220.8582@wotan.suse.de>
Date:	Mon, 19 Oct 2009 09:06:49 +0200 (CEST)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Peng Tao <bergwolf@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: fix comments for invalidate_inode_pages2()

On Mon, 19 Oct 2009, Peng Tao wrote:

> invalidate_inode_pages2() returns -EBUSY *NOT* -EIO if any pages could not be
> invalidated.
> 
> Signed-off-by: Peng Tao <bergwolf@...il.com>
> ---
>  mm/truncate.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/mm/truncate.c b/mm/truncate.c
> index 450cebd..2c147a7 100644
> --- a/mm/truncate.c
> +++ b/mm/truncate.c
> @@ -490,7 +490,7 @@ EXPORT_SYMBOL_GPL(invalidate_inode_pages2_range);
>   * Any pages which are found to be mapped into pagetables are unmapped prior to
>   * invalidation.
>   *
> - * Returns -EIO if any pages could not be invalidated.
> + * Returns -EBUSY if any pages could not be invalidated.
>   */
>  int invalidate_inode_pages2(struct address_space *mapping)
>  {

Right, this way it's consistent with invalidate_inode_pages2_range().

Applied, thanks.

-- 
Jiri Kosina
SUSE Labs, Novell Inc.
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