linux-kernel - Re: [PATCH v3] f2fs: add nowait aio support

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Date:   Fri, 9 Mar 2018 09:11:48 +0800
From:   Chao Yu <yuchao0@...wei.com>
To:     Hyunchul Lee <hyc.lee@...il.com>, Jaegeuk Kim <jaegeuk@...nel.org>
CC:     <linux-f2fs-devel@...ts.sourceforge.net>,
        <linux-kernel@...r.kernel.org>, <kernel-team@....com>,
        Christoph Hellwig <hch@....de>,
        Goldwyn Rodrigues <rgoldwyn@...e.com>,
        Hyunchul Lee <cheol.lee@....com>
Subject: Re: [PATCH v3] f2fs: add nowait aio support

On 2018/3/8 18:34, Hyunchul Lee wrote:
> From: Hyunchul Lee <cheol.lee@....com>
> 
> This patch adds nowait aio support[1].
> 
> Return EAGAIN if any of the following checks fail for direct I/O:
>   - i_rwsem is not lockable
>   - Blocks are not allocated at the write location
> 
> And xfstests generic/471 is passed.
> 
>  [1]: 6be96d "Introduce RWF_NOWAIT and FMODE_AIO_NOWAIT"
> 
> Signed-off-by: Hyunchul Lee <cheol.lee@....com>

Reviewed-by: Chao Yu <yuchao0@...wei.com>

Thanks,