55 static int nfs_lock(struct file *filp, int cmd, struct file_lock *fl);
56 static int nfs_flock(struct file *filp, int cmd, struct file_lock *fl);
57 static int nfs_setlease(struct file *file, long arg, struct file_lock **fl);
553 static int do_getlk(struct file *filp, int cmd, struct file_lock *fl)  in do_getlk()  argument
560 	posix_test_lock(filp, fl);  in do_getlk()
561 	if (fl->fl_type != F_UNLCK) {  in do_getlk()
572 	status = NFS_PROTO(inode)->lock(filp, cmd, fl);  in do_getlk()
577 	fl->fl_type = F_UNLCK;  in do_getlk()
581 static int do_vfs_lock(struct file *file, struct file_lock *fl)  in do_vfs_lock()  argument
584 	switch (fl->fl_flags & (FL_POSIX|FL_FLOCK)) {  in do_vfs_lock()
586 			res = posix_lock_file_wait(file, fl);  in do_vfs_lock()
589 			res = flock_lock_file_wait(file, fl);  in do_vfs_lock()
601 static int do_unlk(struct file *filp, int cmd, struct file_lock *fl)  in do_unlk()  argument
619 		status = NFS_PROTO(inode)->lock(filp, cmd, fl);  in do_unlk()
621 		status = do_vfs_lock(filp, fl);  in do_unlk()
626 static int do_setlk(struct file *filp, int cmd, struct file_lock *fl)  in do_setlk()  argument
642 		status = NFS_PROTO(inode)->lock(filp, cmd, fl);  in do_setlk()
644 		status = do_vfs_lock(filp, fl);  in do_setlk()
662 static int nfs_lock(struct file *filp, int cmd, struct file_lock *fl)  in nfs_lock()  argument
670 			fl->fl_type, fl->fl_flags,  in nfs_lock()
671 			(long long)fl->fl_start, (long long)fl->fl_end);  in nfs_lock()
676 	if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK)  in nfs_lock()
680 		ret = NFS_PROTO(inode)->lock_check_bounds(fl);  in nfs_lock()
686 		ret = do_getlk(filp, cmd, fl);  in nfs_lock()
687 	else if (fl->fl_type == F_UNLCK)  in nfs_lock()
688 		ret = do_unlk(filp, cmd, fl);  in nfs_lock()
690 		ret = do_setlk(filp, cmd, fl);  in nfs_lock()
698 static int nfs_flock(struct file *filp, int cmd, struct file_lock *fl)  in nfs_flock()  argument
703 			fl->fl_type, fl->fl_flags);  in nfs_flock()
705 	if (!(fl->fl_flags & FL_FLOCK))  in nfs_flock()
709 	fl->fl_owner = (fl_owner_t)filp;  in nfs_flock()
710 	fl->fl_start = 0;  in nfs_flock()
711 	fl->fl_end = OFFSET_MAX;  in nfs_flock()
713 	if (fl->fl_type == F_UNLCK)  in nfs_flock()
714 		return do_unlk(filp, cmd, fl);  in nfs_flock()
715 	return do_setlk(filp, cmd, fl);  in nfs_flock()
722 static int nfs_setlease(struct file *file, long arg, struct file_lock **fl)  in nfs_setlease()  argument