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Message-Id: <20201104082738.1054792-1-hch@lst.de>
Date:   Wed,  4 Nov 2020 09:27:32 +0100
From:   Christoph Hellwig <hch@....de>
To:     Al Viro <viro@...iv.linux.org.uk>
Cc:     Greg KH <gregkh@...uxfoundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Alexey Dobriyan <adobriyan@...il.com>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: support splice reads on seq_file based procfs files v2

Hi Al,

Greg reported a problem due to the fact that Android tests use procfs
files to test splice, which stopped working with 5.10-rc1.  This series
adds read_iter support for seq_file, and uses those for various seq_files
in procfs to restore splice read support.

Chances since v1:
 - only switch a subset of proc files to use seq_read_iter

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