104 static int v9fs_file_lock(struct file *filp, int cmd, struct file_lock *fl)  in v9fs_file_lock()  argument
108 	p9_debug(P9_DEBUG_VFS, "filp: %p lock: %p\n", filp, fl);  in v9fs_file_lock()
110 	if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) {  in v9fs_file_lock()
118 static int v9fs_file_do_lock(struct file *filp, int cmd, struct file_lock *fl)  in v9fs_file_do_lock()  argument
130 	BUG_ON((fl->fl_flags & FL_POSIX) != FL_POSIX);  in v9fs_file_do_lock()
132 	res = locks_lock_file_wait(filp, fl);  in v9fs_file_do_lock()
139 	switch (fl->fl_type) {  in v9fs_file_do_lock()
150 	flock.start = fl->fl_start;  in v9fs_file_do_lock()
151 	if (fl->fl_end == OFFSET_MAX)  in v9fs_file_do_lock()
154 		flock.length = fl->fl_end - fl->fl_start + 1;  in v9fs_file_do_lock()
155 	flock.proc_id = fl->fl_pid;  in v9fs_file_do_lock()
210 	if (res < 0 && fl->fl_type != F_UNLCK) {  in v9fs_file_do_lock()
211 		fl_type = fl->fl_type;  in v9fs_file_do_lock()
212 		fl->fl_type = F_UNLCK;  in v9fs_file_do_lock()
214 		locks_lock_file_wait(filp, fl);  in v9fs_file_do_lock()
215 		fl->fl_type = fl_type;  in v9fs_file_do_lock()
223 static int v9fs_file_getlock(struct file *filp, struct file_lock *fl)  in v9fs_file_getlock()  argument
232 	posix_test_lock(filp, fl);  in v9fs_file_getlock()
237 	if (fl->fl_type != F_UNLCK)  in v9fs_file_getlock()
243 	glock.start = fl->fl_start;  in v9fs_file_getlock()
244 	if (fl->fl_end == OFFSET_MAX)  in v9fs_file_getlock()
247 		glock.length = fl->fl_end - fl->fl_start + 1;  in v9fs_file_getlock()
248 	glock.proc_id = fl->fl_pid;  in v9fs_file_getlock()
257 		fl->fl_type = F_RDLCK;  in v9fs_file_getlock()
260 		fl->fl_type = F_WRLCK;  in v9fs_file_getlock()
263 		fl->fl_type = F_UNLCK;  in v9fs_file_getlock()
267 		fl->fl_start = glock.start;  in v9fs_file_getlock()
269 			fl->fl_end = OFFSET_MAX;  in v9fs_file_getlock()
271 			fl->fl_end = glock.start + glock.length - 1;  in v9fs_file_getlock()
272 		fl->fl_pid = -glock.proc_id;  in v9fs_file_getlock()
288 static int v9fs_file_lock_dotl(struct file *filp, int cmd, struct file_lock *fl)  in v9fs_file_lock_dotl()  argument
294 		 filp, cmd, fl, filp);  in v9fs_file_lock_dotl()
296 	if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) {  in v9fs_file_lock_dotl()
302 		ret = v9fs_file_do_lock(filp, cmd, fl);  in v9fs_file_lock_dotl()
304 		ret = v9fs_file_getlock(filp, fl);  in v9fs_file_lock_dotl()
319 	struct file_lock *fl)  in v9fs_file_flock_dotl()  argument
325 		 filp, cmd, fl, filp);  in v9fs_file_flock_dotl()
327 	if (!(fl->fl_flags & FL_FLOCK))  in v9fs_file_flock_dotl()
330 	if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) {  in v9fs_file_flock_dotl()
335 	fl->fl_flags |= FL_POSIX;  in v9fs_file_flock_dotl()
336 	fl->fl_flags ^= FL_FLOCK;  in v9fs_file_flock_dotl()
339 		ret = v9fs_file_do_lock(filp, cmd, fl);  in v9fs_file_flock_dotl()