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From: Randy Dunlap <rdunlap@infradead.org>
To: XiaoLi Feng <xifeng@redhat.com>,
	linux-kernel@vger.kernel.org, ira.weiny@intel.com,
	darrick.wong@oracle.com
Cc: Xiaoli Feng <fengxiaoli0714@gmail.com>
Subject: Re: [PATCH] fs/stat: set attributes_mask for STATX_ATTR_DAX
Date: Fri, 20 Nov 2020 16:58:09 -0800	[thread overview]
Message-ID: <21890103-fce2-bb50-7fc2-6c6d509b982f@infradead.org> (raw)
In-Reply-To: <20201121003331.21342-1-xifeng@redhat.com>

Hi,

I don't know this code, but:

On 11/20/20 4:33 PM, XiaoLi Feng wrote:
> From: Xiaoli Feng <fengxiaoli0714@gmail.com>
> 
> keep attributes and attributes_mask are consistent for
> STATX_ATTR_DAX.
> ---
>  fs/stat.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/stat.c b/fs/stat.c
> index dacecdda2e79..914a61d256b0 100644
> --- a/fs/stat.c
> +++ b/fs/stat.c
> @@ -82,7 +82,7 @@ int vfs_getattr_nosec(const struct path *path, struct kstat *stat,
>  
>  	if (IS_DAX(inode))
>  		stat->attributes |= STATX_ATTR_DAX;
> -
> +	stat->attributes_mask |= STATX_ATTR_DAX;

Why shouldn't that be:

	if (IS_DAX(inode))
		stat->attributes_mask |= STATX_ATTR_DAX;

or combine them, like this:

	if (IS_DAX(inode)) {
		stat->attributes |= STATX_ATTR_DAX;
		stat->attributes_mask |= STATX_ATTR_DAX;
	}


and no need to delete that blank line.

>  	if (inode->i_op->getattr)
>  		return inode->i_op->getattr(path, stat, request_mask,
>  					    query_flags);
> 

thanks.
-- 
~Randy


  reply	other threads:[~2020-11-21  0:58 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-21  0:33 [PATCH] fs/stat: set attributes_mask for STATX_ATTR_DAX XiaoLi Feng
2020-11-21  0:58 ` Randy Dunlap [this message]
2020-11-21  2:03   ` Darrick J. Wong
2020-11-22 15:57     ` Xiaoli Feng
2020-11-23 21:37     ` Dave Chinner

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