linux-kernel - restore splice and sendfile support on kernfs

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Message-Id: <20210120204631.274206-1-hch@lst.de>
Date:   Wed, 20 Jan 2021 21:46:28 +0100
From:   Christoph Hellwig <hch@....de>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Tejun Heo <tj@...nel.org>
Cc:     Siddharth Gupta <sidgup@...eaurora.org>,
        linux-kernel@...r.kernel.org
Subject: restore splice and sendfile support on kernfs

Hi Greg and Tejun,

this fixes a regression in Linux 5.10 that stopped sendfile and splice
from working on kernfs/sysfs files.

Diffstt:
 file.c |   65 ++++++++++++++++++++++++-----------------------------------------
 1 file changed, 24 insertions(+), 41 deletions(-)