linux-kernel - Re: [PATCH V2 1/5] cachefiles: introduce object ondemand state

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Date:   Fri, 14 Oct 2022 14:31:41 +0800
From:   JeffleXu <jefflexu@...ux.alibaba.com>
To:     Jia Zhu <zhujia.zj@...edance.com>, dhowells@...hat.com,
        xiang@...nel.org
Cc:     linux-cachefs@...hat.com, linux-erofs@...ts.ozlabs.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        yinxin.x@...edance.com
Subject: Re: [PATCH V2 1/5] cachefiles: introduce object ondemand state



On 10/14/22 11:07 AM, Jia Zhu wrote:
> Previously, @ondemand_id field was used not only to identify ondemand
> state of the object, but also to represent the index of the xarray.
> This commit introduces @state field to decouple the role of @ondemand_id
> and adds helpers to access it.
> 
> Signed-off-by: Jia Zhu <zhujia.zj@...edance.com>
> Reviewed-by: Xin Yin <yinxin.x@...edance.com>
> ---
>  fs/cachefiles/internal.h | 22 ++++++++++++++++++++++
>  fs/cachefiles/ondemand.c | 21 +++++++++------------
>  2 files changed, 31 insertions(+), 12 deletions(-)
> 
> diff --git a/fs/cachefiles/internal.h b/fs/cachefiles/internal.h
> index 2ad58c465208..39895bbd149a 100644
> --- a/fs/cachefiles/internal.h
> +++ b/fs/cachefiles/internal.h
> @@ -17,6 +17,7 @@
>  #include <linux/security.h>
>  #include <linux/xarray.h>
>  #include <linux/cachefiles.h>
> +#include <linux/atomic.h>
     ^
This is not needed any more.

Otherwise LGTM.

Reviewed-by: Jingbo Xu <jefflexu@...ux.alibaba.com>


-- 
Thanks,
Jingbo