libceph: define new ceph_file_layout structure

Define new ceph_file_layout structure and rename old ceph_file_layout
to ceph_file_layout_legacy. This is preparation for adding namespace
to ceph_file_layout structure.

Signed-off-by: Yan, Zheng <zyan@redhat.com>

path: root/ioexact.h

#ifndef IOEXACT_H
#define IOEXACT_H

#include <stdbool.h>

extern ssize_t read_exact(int fd, void *buf, size_t len, bool mayexit);
extern ssize_t write_exact(int fd, void *buf, size_t len, bool mayexit);

#endif /* IOEXACT_H */