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

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Message-ID: <Y4C8ocemviAGpxRC@debian>
Date:   Fri, 25 Nov 2022 21:01:21 +0800
From:   Gao Xiang <xiang@...nel.org>
To:     David Howells <dhowells@...hat.com>
Cc:     Jingbo Xu <jefflexu@...ux.alibaba.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

Hi David,

On Fri, Nov 25, 2022 at 11:57:58AM +0000, David Howells wrote:
> 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>

Thanks!  I will apply them for -next, and soon Jingbo will
submit large folios support for erofs iomap/fscache modes.

Thank all again,
Gao Xiang