985 static int gfs2_lock(struct file *file, int cmd, struct file_lock *fl)  in gfs2_lock()  argument
991 	if (!(fl->fl_flags & FL_POSIX))  in gfs2_lock()
993 	if (__mandatory_lock(&ip->i_inode) && fl->fl_type != F_UNLCK)  in gfs2_lock()
999 		fl->fl_type = F_UNLCK;  in gfs2_lock()
1002 		if (fl->fl_type == F_UNLCK)  in gfs2_lock()
1003 			posix_lock_file_wait(file, fl);  in gfs2_lock()
1007 		return dlm_posix_get(ls->ls_dlm, ip->i_no_addr, file, fl);  in gfs2_lock()
1008 	else if (fl->fl_type == F_UNLCK)  in gfs2_lock()
1009 		return dlm_posix_unlock(ls->ls_dlm, ip->i_no_addr, file, fl);  in gfs2_lock()
1011 		return dlm_posix_lock(ls->ls_dlm, ip->i_no_addr, file, cmd, fl);  in gfs2_lock()
1014 static int do_flock(struct file *file, int cmd, struct file_lock *fl)  in do_flock()  argument
1025 	state = (fl->fl_type == F_WRLCK) ? LM_ST_EXCLUSIVE : LM_ST_SHARED;  in do_flock()
1059 		error = flock_lock_file_wait(file, fl);  in do_flock()
1068 static void do_unflock(struct file *file, struct file_lock *fl)  in do_unflock()  argument
1074 	flock_lock_file_wait(file, fl);  in do_unflock()
1091 static int gfs2_flock(struct file *file, int cmd, struct file_lock *fl)  in gfs2_flock()  argument
1093 	if (!(fl->fl_flags & FL_FLOCK))  in gfs2_flock()
1095 	if (fl->fl_type & LOCK_MAND)  in gfs2_flock()
1098 	if (fl->fl_type == F_UNLCK) {  in gfs2_flock()
1099 		do_unflock(file, fl);  in gfs2_flock()
1102 		return do_flock(file, cmd, fl);  in gfs2_flock()