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List:       linux-nilfs
Subject:    Re: [PATCH v4 12/27] cifs: set mapping error when page writeback fails in writepage or launder_pages
From:       Jan Kara <jack () suse ! cz>
Date:       2017-05-10 11:14:46
Message-ID: 20170510111446.GD25137 () quack2 ! suse ! cz
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On Tue 09-05-17 11:49:15, Jeff Layton wrote:
> Signed-off-by: Jeff Layton <jlayton@redhat.com>
> Reviewed-by: Christoph Hellwig <hch@lst.de>

Looks good to me. You can add:

Reviewed-by: Jan Kara <jack@suse.cz>

								Honza

> ---
>  fs/cifs/file.c | 12 +++++++-----
>  1 file changed, 7 insertions(+), 5 deletions(-)
> 
> diff --git a/fs/cifs/file.c b/fs/cifs/file.c
> index 21d404535739..0bee7f8d91ad 100644
> --- a/fs/cifs/file.c
> +++ b/fs/cifs/file.c
> @@ -2234,14 +2234,16 @@ cifs_writepage_locked(struct page *page, struct writeback_control *wbc)
>  	set_page_writeback(page);
>  retry_write:
>  	rc = cifs_partialpagewrite(page, 0, PAGE_SIZE);
> -	if (rc == -EAGAIN && wbc->sync_mode == WB_SYNC_ALL)
> -		goto retry_write;
> -	else if (rc == -EAGAIN)
> +	if (rc == -EAGAIN) {
> +		if (wbc->sync_mode == WB_SYNC_ALL)
> +			goto retry_write;
>  		redirty_page_for_writepage(wbc, page);
> -	else if (rc != 0)
> +	} else if (rc != 0) {
>  		SetPageError(page);
> -	else
> +		mapping_set_error(page->mapping, rc);
> +	} else {
>  		SetPageUptodate(page);
> +	}
>  	end_page_writeback(page);
>  	put_page(page);
>  	free_xid(xid);
> -- 
> 2.9.3
> 
> 
-- 
Jan Kara <jack@suse.com>
SUSE Labs, CR
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