linux-kernel - Re: [PATCH v5 1/2] fscache,cachefiles: add prepare_ondemand

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Message-ID: <2386961.1669377478@warthog.procyon.org.uk>
Date:   Fri, 25 Nov 2022 11:57:58 +0000
From:   David Howells <dhowells@...hat.com>
To:     Jingbo Xu <jefflexu@...ux.alibaba.com>
Cc:     dhowells@...hat.com, jlayton@...nel.org, xiang@...nel.org,
        chao@...nel.org, linux-cachefs@...hat.com,
        linux-erofs@...ts.ozlabs.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 1/2] fscache,cachefiles: add prepare_ondemand_read() callback

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

> Add prepare_ondemand_read() callback dedicated for the on-demand read
> scenario, so that callers from this scenario can be decoupled from
> netfs_io_subrequest.
> 
> The original cachefiles_prepare_read() is now refactored to a generic
> routine accepting a parameter list instead of netfs_io_subrequest.
> There's no logic change, except that the debug id of subrequest and
> request is removed from trace_cachefiles_prep_read().
> 
> Reviewed-by: Jeff Layton <jlayton@...nel.org>
> Signed-off-by: Jingbo Xu <jefflexu@...ux.alibaba.com>

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