9p: switch p9_client_read() to passing struct iov_iter *

... and make it loop

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2015-04-01 23:42:28 -04:00
commit e1200fe68f
7 changed files with 108 additions and 183 deletions