linux-kernel - Re: [PATCH v3 5/9] cachefiles: stop sending new request when dropping object

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Date: Fri, 28 Jun 2024 14:51:32 +0800
From: Gao Xiang <hsiangkao@...ux.alibaba.com>
To: libaokun@...weicloud.com, netfs@...ts.linux.dev, dhowells@...hat.com,
 jlayton@...nel.org
Cc: jefflexu@...ux.alibaba.com, zhujia.zj@...edance.com,
 linux-erofs@...ts.ozlabs.org, brauner@...nel.org,
 linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
 yangerkun@...wei.com, houtao1@...wei.com, yukuai3@...wei.com,
 wozizhi@...wei.com, Baokun Li <libaokun1@...wei.com>
Subject: Re: [PATCH v3 5/9] cachefiles: stop sending new request when dropping
 object



On 2024/6/28 14:29, libaokun@...weicloud.com wrote:
> From: Baokun Li <libaokun1@...wei.com>
> 
> Added CACHEFILES_ONDEMAND_OBJSTATE_DROPPING indicates that the cachefiles
> object is being dropped, and is set after the close request for the dropped
> object completes, and no new requests are allowed to be sent after this
> state.
> 
> This prepares for the later addition of cancel_work_sync(). It prevents
> leftover reopen requests from being sent, to avoid processing unnecessary
> requests and to avoid cancel_work_sync() blocking by waiting for daemon to
> complete the reopen requests.
> 
> Signed-off-by: Baokun Li <libaokun1@...wei.com>
> Acked-by: Jeff Layton <jlayton@...nel.org>

LGTM,
Reviewed-by: Gao Xiang <hsiangkao@...ux.alibaba.com>

Thanks,
Gao Xiang