131 static int v9fs_file_lock(struct file *filp, int cmd, struct file_lock *fl)  in v9fs_file_lock()  argument
136 	p9_debug(P9_DEBUG_VFS, "filp: %p lock: %p\n", filp, fl);  in v9fs_file_lock()
139 	if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK)  in v9fs_file_lock()
142 	if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) {  in v9fs_file_lock()
150 static int v9fs_file_do_lock(struct file *filp, int cmd, struct file_lock *fl)  in v9fs_file_do_lock()  argument
161 	if ((fl->fl_flags & FL_POSIX) != FL_POSIX)  in v9fs_file_do_lock()
164 	res = locks_lock_file_wait(filp, fl);  in v9fs_file_do_lock()
171 	switch (fl->fl_type) {  in v9fs_file_do_lock()
182 	flock.start = fl->fl_start;  in v9fs_file_do_lock()
183 	if (fl->fl_end == OFFSET_MAX)  in v9fs_file_do_lock()
186 		flock.length = fl->fl_end - fl->fl_start + 1;  in v9fs_file_do_lock()
187 	flock.proc_id = fl->fl_pid;  in v9fs_file_do_lock()
231 	if (res < 0 && fl->fl_type != F_UNLCK) {  in v9fs_file_do_lock()
232 		fl_type = fl->fl_type;  in v9fs_file_do_lock()
233 		fl->fl_type = F_UNLCK;  in v9fs_file_do_lock()
235 		locks_lock_file_wait(filp, fl);  in v9fs_file_do_lock()
236 		fl->fl_type = fl_type;  in v9fs_file_do_lock()
242 static int v9fs_file_getlock(struct file *filp, struct file_lock *fl)  in v9fs_file_getlock()  argument
251 	posix_test_lock(filp, fl);  in v9fs_file_getlock()
256 	if (fl->fl_type != F_UNLCK)  in v9fs_file_getlock()
262 	glock.start = fl->fl_start;  in v9fs_file_getlock()
263 	if (fl->fl_end == OFFSET_MAX)  in v9fs_file_getlock()
266 		glock.length = fl->fl_end - fl->fl_start + 1;  in v9fs_file_getlock()
267 	glock.proc_id = fl->fl_pid;  in v9fs_file_getlock()
276 		fl->fl_type = F_RDLCK;  in v9fs_file_getlock()
279 		fl->fl_type = F_WRLCK;  in v9fs_file_getlock()
282 		fl->fl_type = F_UNLCK;  in v9fs_file_getlock()
286 		fl->fl_start = glock.start;  in v9fs_file_getlock()
288 			fl->fl_end = OFFSET_MAX;  in v9fs_file_getlock()
290 			fl->fl_end = glock.start + glock.length - 1;  in v9fs_file_getlock()
291 		fl->fl_pid = glock.proc_id;  in v9fs_file_getlock()
305 static int v9fs_file_lock_dotl(struct file *filp, int cmd, struct file_lock *fl)  in v9fs_file_lock_dotl()  argument
311 		 filp, cmd, fl, filp);  in v9fs_file_lock_dotl()
314 	if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK)  in v9fs_file_lock_dotl()
317 	if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) {  in v9fs_file_lock_dotl()
323 		ret = v9fs_file_do_lock(filp, cmd, fl);  in v9fs_file_lock_dotl()
325 		ret = v9fs_file_getlock(filp, fl);  in v9fs_file_lock_dotl()
341 	struct file_lock *fl)  in v9fs_file_flock_dotl()  argument
347 		 filp, cmd, fl, filp);  in v9fs_file_flock_dotl()
350 	if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK)  in v9fs_file_flock_dotl()
353 	if (!(fl->fl_flags & FL_FLOCK))  in v9fs_file_flock_dotl()
356 	if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) {  in v9fs_file_flock_dotl()
361 	fl->fl_flags |= FL_POSIX;  in v9fs_file_flock_dotl()
362 	fl->fl_flags ^= FL_FLOCK;  in v9fs_file_flock_dotl()
365 		ret = v9fs_file_do_lock(filp, cmd, fl);  in v9fs_file_flock_dotl()