Al Viro 0c5b0cbeae configfs: stash the data we need into configfs_buffer at open time
commit ff4dd081977da56566a848f071aed8fa92d604a1 upstream.

simplifies the ->read()/->write()/->release() instances nicely

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-12 19:15:49 +01:00
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