[readdir] convert procfs

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --cc fs/hppfs/hppfs.c
Simple merge

diff --cc fs/proc/base.c
Simple merge

diff --cc fs/proc/fd.c
Simple merge

diff --cc fs/proc/generic.c
Simple merge

diff --cc fs/proc/internal.h
Simple merge

diff --cc fs/proc/namespaces.c
Simple merge

diff --cc fs/proc/proc_net.c
Simple merge

diff --cc fs/proc/proc_sysctl.c
Simple merge

diff --cc fs/proc/root.c
Simple merge