linux-kernel - Re: [PATCH v9 05/21] cachefiles: implement on-demand read

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Message-ID: <1445520.1650550446@warthog.procyon.org.uk>
Date:   Thu, 21 Apr 2022 15:14:06 +0100
From:   David Howells <dhowells@...hat.com>
To:     Jeffle Xu <jefflexu@...ux.alibaba.com>
Cc:     dhowells@...hat.com, linux-cachefs@...hat.com, xiang@...nel.org,
        chao@...nel.org, linux-erofs@...ts.ozlabs.org,
        torvalds@...ux-foundation.org, gregkh@...uxfoundation.org,
        willy@...radead.org, linux-fsdevel@...r.kernel.org,
        joseph.qi@...ux.alibaba.com, bo.liu@...ux.alibaba.com,
        tao.peng@...ux.alibaba.com, gerry@...ux.alibaba.com,
        eguan@...ux.alibaba.com, linux-kernel@...r.kernel.org,
        luodaowen.backend@...edance.com, tianzichen@...ishou.com,
        fannaihao@...du.com, zhangjiachen.jaycee@...edance.com
Subject: Re: [PATCH v9 05/21] cachefiles: implement on-demand read

Jeffle Xu <jefflexu@...ux.alibaba.com> wrote:

> A new NETFS_SREQ_ONDEMAND flag is introduced to indicate that on-demand
> read should be done when a cache miss encountered.

That may conflict with changes I'm making - but it's just a matter of flag
renumbering.

> +#define CACHEFILES_IOC_CREAD	_IOW(0x98, 1, int)

I wonder if CACHEFILES_IOC_READ_COMPLETE would be a better name, but apart
from that:

Acked-by: David Howells <dhowells@...hat.com>