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From:   David Howells <dhowells@redhat.com>
In-Reply-To: <87a61ckowk.fsf@oc8242746057.ibm.com>
References: <87a61ckowk.fsf@oc8242746057.ibm.com>
To:     Alexander Egorenkov <egorenar@linux.ibm.com>
Cc:     dhowells@redhat.com, axboe@kernel.dk, david@redhat.com,
        hch@infradead.org, hch@lst.de, hdanton@sina.com, jack@suse.cz,
        jgg@nvidia.com, jhubbard@nvidia.com, jlayton@kernel.org,
        linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-mm@kvack.org,
        logang@deltatee.com, viro@zeniv.linux.org.uk, willy@infradead.org,
        Marc Hartmayer <mhartmay@linux.ibm.com>
Subject: Re: [PATCH v14 08/17] splice: Do splice read from a file without using ITER_PIPE
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Date:   Fri, 17 Feb 2023 21:16:53 +0000
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Alexander Egorenkov <egorenar@linux.ibm.com> wrote:

> Subject: Re: [PATCH v14 08/17] splice: Do splice read from a file without
>  using ITER_PIPE

Well, I can reproduce it.  Putting a printks in generic_file_splice_read(),
direct_splice_read() and filemap_splice_read(), however, seems to show that it
isn't using any of those functions; nor can I see any sign of a splice syscall
in a strace:-/

David