posix_open_ok 527 fs/cifs/file.c bool posix_open_ok = false; posix_open_ok 573 fs/cifs/file.c posix_open_ok = true; posix_open_ok 594 fs/cifs/file.c if (!posix_open_ok) { posix_open_ok 617 fs/cifs/file.c if ((oplock & CIFS_CREATE_ACTION) && !posix_open_ok && tcon->unix_ext) {