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new privimitive: iov_iter_revert()
authorAl Viro <viro@zeniv.linux.org.uk>
Fri, 17 Feb 2017 23:42:24 +0000 (18:42 -0500)
committerThadeu Lima de Souza Cascardo <cascardo@canonical.com>
Wed, 17 May 2017 16:37:35 +0000 (13:37 -0300)
commit52d62918a89ea997f73e8fb4d3769251d5830cc4
tree01fe204ed499dd1519613b5254a4ebcb094b02f1tree
parentb9c1e12902f460eada17727467b48b1af3098cdecommit | diff
new privimitive: iov_iter_revert()

BugLink: http://bugs.launchpad.net/bugs/1687045
commit 27c0e3748e41ca79171ffa3e97415a20af6facd0 upstream.

opposite to iov_iter_advance(); the caller is responsible for never
using it to move back past the initial position.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
include/linux/uio.h diff | blob | blame | history
lib/iov_iter.c diff | blob | blame | history
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