switch drivers/char/mem.c to ->read_iter/->write_iter
authorAl Viro <viro@zeniv.linux.org.uk>
Fri, 3 Apr 2015 19:57:04 +0000 (15:57 -0400)
committerAl Viro <viro@zeniv.linux.org.uk>
Sun, 12 Apr 2015 02:29:40 +0000 (22:29 -0400)
Note that _these_ guys have ->read() and ->write() left in place - they are
eqiuvalent to what we'd get if we replaced those with NULL, but we are
talking about hot paths here.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
drivers/char/mem.c

Simple merge