Re: [PATCH] ext4: use i_size_read in ext4_unaligned_aio()

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On Sat, Apr 12, 2014 at 12:46:14PM -0400, Theodore Ts'o wrote:
> We haven't taken i_mutex yet, so we need to use i_size_read().
> 
> Signed-off-by: "Theodore Ts'o" <tytso@xxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx

Reviewed-by: Zheng Liu <wenqing.lz@xxxxxxxxxx>

                                                - Zheng

> ---
>  fs/ext4/file.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/ext4/file.c b/fs/ext4/file.c
> index 6db7f7d..bc76559 100644
> --- a/fs/ext4/file.c
> +++ b/fs/ext4/file.c
> @@ -82,7 +82,7 @@ ext4_unaligned_aio(struct inode *inode, const struct iovec *iov,
>  	size_t count = iov_length(iov, nr_segs);
>  	loff_t final_size = pos + count;
>  
> -	if (pos >= inode->i_size)
> +	if (pos >= i_size_read(inode))
>  		return 0;
>  
>  	if ((pos & blockmask) || (final_size & blockmask))
> -- 
> 1.9.0
> 
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