ceph_open 1809 fs/ceph/dir.c .open = ceph_open, ceph_open 1821 fs/ceph/dir.c .open = ceph_open, ceph_open 524 fs/ceph/file.c err = finish_open(file, dentry, ceph_open); ceph_open 2192 fs/ceph/file.c .open = ceph_open, ceph_open 1096 fs/ceph/super.h extern int ceph_open(struct inode *inode, struct file *file);