233 locks_check_ctx_file_list(struct file *filp, struct list_head *list,  in locks_check_ctx_file_list()  argument
237 	struct inode *inode = file_inode(filp);  in locks_check_ctx_file_list()
240 		if (fl->fl_file == filp)  in locks_check_ctx_file_list()
429 static void flock_make_lock(struct file *filp, struct file_lock *fl, int type)  in flock_make_lock()  argument
433 	fl->fl_file = filp;  in flock_make_lock()
434 	fl->fl_owner = filp;  in flock_make_lock()
455 static int flock64_to_posix_lock(struct file *filp, struct file_lock *fl,  in flock64_to_posix_lock()  argument
463 		fl->fl_start = filp->f_pos;  in flock64_to_posix_lock()
466 		fl->fl_start = i_size_read(file_inode(filp));  in flock64_to_posix_lock()
494 	fl->fl_file = filp;  in flock64_to_posix_lock()
505 static int flock_to_posix_lock(struct file *filp, struct file_lock *fl,  in flock_to_posix_lock()  argument
515 	return flock64_to_posix_lock(filp, fl, &ll);  in flock_to_posix_lock()
529 	struct file *filp = fl->fl_file;  in lease_setup()  local
537 	if (!fasync_insert_entry(fa->fa_fd, filp, &fl->fl_fasync, fa))  in lease_setup()
540 	__f_setown(filp, task_pid(current), PIDTYPE_TGID, 0);  in lease_setup()
552 static int lease_init(struct file *filp, int type, struct file_lock *fl)  in lease_init()  argument
557 	fl->fl_owner = filp;  in lease_init()
560 	fl->fl_file = filp;  in lease_init()
570 static struct file_lock *lease_alloc(struct file *filp, int type)  in lease_alloc()  argument
578 	error = lease_init(filp, type, fl);  in lease_alloc()
902 posix_test_lock(struct file *filp, struct file_lock *fl)  in posix_test_lock()  argument
906 	struct inode *inode = file_inode(filp);  in posix_test_lock()
1346 int posix_lock_file(struct file *filp, struct file_lock *fl,  in posix_lock_file()  argument
1349 	return posix_lock_inode(file_inode(filp), fl, conflock);  in posix_lock_file()
1398 		struct file *filp = fl->fl_file;  in lease_modify()  local
1400 		f_delown(filp);  in lease_modify()
1401 		filp->f_owner.signum = 0;  in lease_modify()
1645 int fcntl_getlease(struct file *filp)  in fcntl_getlease()  argument
1648 	struct inode *inode = file_inode(filp);  in fcntl_getlease()
1659 			if (fl->fl_file != filp)  in fcntl_getlease()
1684 check_conflicting_open(struct file *filp, const int arg, int flags)  in check_conflicting_open()  argument
1686 	struct inode *inode = file_inode(filp);  in check_conflicting_open()
1706 	if (filp->f_mode & FMODE_WRITE)  in check_conflicting_open()
1708 	else if (filp->f_mode & FMODE_READ)  in check_conflicting_open()
1719 generic_add_lease(struct file *filp, int arg, struct file_lock **flp, void **priv)  in generic_add_lease()  argument
1722 	struct inode *inode = file_inode(filp);  in generic_add_lease()
1750 	error = check_conflicting_open(filp, arg, lease->fl_flags);  in generic_add_lease()
1764 		if (fl->fl_file == filp &&  in generic_add_lease()
1807 	error = check_conflicting_open(filp, arg, lease->fl_flags);  in generic_add_lease()
1827 static int generic_delete_lease(struct file *filp, void *owner)  in generic_delete_lease()  argument
1831 	struct inode *inode = file_inode(filp);  in generic_delete_lease()
1844 		if (fl->fl_file == filp &&  in generic_delete_lease()
1870 int generic_setlease(struct file *filp, int arg, struct file_lock **flp,  in generic_setlease()  argument
1873 	struct inode *inode = file_inode(filp);  in generic_setlease()
1874 	vfsuid_t vfsuid = i_uid_into_vfsuid(file_mnt_idmap(filp), inode);  in generic_setlease()
1881 	error = security_file_lock(filp, arg);  in generic_setlease()
1887 		return generic_delete_lease(filp, *priv);  in generic_setlease()
1895 		return generic_add_lease(filp, arg, flp, priv);  in generic_setlease()
1953 vfs_setlease(struct file *filp, int arg, struct file_lock **lease, void **priv)  in vfs_setlease()  argument
1957 	if (filp->f_op->setlease)  in vfs_setlease()
1958 		return filp->f_op->setlease(filp, arg, lease, priv);  in vfs_setlease()
1960 		return generic_setlease(filp, arg, lease, priv);  in vfs_setlease()
1964 static int do_fcntl_add_lease(unsigned int fd, struct file *filp, int arg)  in do_fcntl_add_lease()  argument
1970 	fl = lease_alloc(filp, arg);  in do_fcntl_add_lease()
1981 	error = vfs_setlease(filp, arg, &fl, (void **)&new);  in do_fcntl_add_lease()
1999 int fcntl_setlease(unsigned int fd, struct file *filp, int arg)  in fcntl_setlease()  argument
2002 		return vfs_setlease(filp, F_UNLCK, NULL, (void **)&filp);  in fcntl_setlease()
2003 	return do_fcntl_add_lease(fd, filp, arg);  in fcntl_setlease()
2132 int vfs_test_lock(struct file *filp, struct file_lock *fl)  in vfs_test_lock()  argument
2134 	WARN_ON_ONCE(filp != fl->fl_file);  in vfs_test_lock()
2135 	if (filp->f_op->lock)  in vfs_test_lock()
2136 		return filp->f_op->lock(filp, F_GETLK, fl);  in vfs_test_lock()
2137 	posix_test_lock(filp, fl);  in vfs_test_lock()
2209 int fcntl_getlk(struct file *filp, unsigned int cmd, struct flock *flock)  in fcntl_getlk()  argument
2222 	error = flock_to_posix_lock(filp, fl, flock);  in fcntl_getlk()
2232 		fl->fl_owner = filp;  in fcntl_getlk()
2235 	error = vfs_test_lock(filp, fl);  in fcntl_getlk()
2283 int vfs_lock_file(struct file *filp, unsigned int cmd, struct file_lock *fl, struct file_lock *conf)  in vfs_lock_file()  argument
2285 	WARN_ON_ONCE(filp != fl->fl_file);  in vfs_lock_file()
2286 	if (filp->f_op->lock)  in vfs_lock_file()
2287 		return filp->f_op->lock(filp, cmd, fl);  in vfs_lock_file()
2289 		return posix_lock_file(filp, fl, conf);  in vfs_lock_file()
2293 static int do_lock_file_wait(struct file *filp, unsigned int cmd,  in do_lock_file_wait()  argument
2298 	error = security_file_lock(filp, fl->fl_type);  in do_lock_file_wait()
2303 		error = vfs_lock_file(filp, cmd, fl, NULL);  in do_lock_file_wait()
2335 int fcntl_setlk(unsigned int fd, struct file *filp, unsigned int cmd,  in fcntl_setlk()  argument
2339 	struct inode *inode = file_inode(filp);  in fcntl_setlk()
2346 	error = flock_to_posix_lock(filp, file_lock, flock);  in fcntl_setlk()
2366 		file_lock->fl_owner = filp;  in fcntl_setlk()
2375 		file_lock->fl_owner = filp;  in fcntl_setlk()
2381 	error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk()
2399 		if (f != filp) {  in fcntl_setlk()
2401 			error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk()
2416 int fcntl_getlk64(struct file *filp, unsigned int cmd, struct flock64 *flock)  in fcntl_getlk64()  argument
2430 	error = flock64_to_posix_lock(filp, fl, flock);  in fcntl_getlk64()
2440 		fl->fl_owner = filp;  in fcntl_getlk64()
2443 	error = vfs_test_lock(filp, fl);  in fcntl_getlk64()
2459 int fcntl_setlk64(unsigned int fd, struct file *filp, unsigned int cmd,  in fcntl_setlk64()  argument
2469 	error = flock64_to_posix_lock(filp, file_lock, flock);  in fcntl_setlk64()
2489 		file_lock->fl_owner = filp;  in fcntl_setlk64()
2498 		file_lock->fl_owner = filp;  in fcntl_setlk64()
2504 	error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk64()
2522 		if (f != filp) {  in fcntl_setlk64()
2524 			error = do_lock_file_wait(filp, cmd, file_lock);  in fcntl_setlk64()
2540 void locks_remove_posix(struct file *filp, fl_owner_t owner)  in locks_remove_posix()  argument
2543 	struct inode *inode = file_inode(filp);  in locks_remove_posix()
2563 	lock.fl_file = filp;  in locks_remove_posix()
2567 	error = vfs_lock_file(filp, F_SETLK, &lock, NULL);  in locks_remove_posix()
2577 locks_remove_flock(struct file *filp, struct file_lock_context *flctx)  in locks_remove_flock()  argument
2580 	struct inode *inode = file_inode(filp);  in locks_remove_flock()
2585 	flock_make_lock(filp, &fl, F_UNLCK);  in locks_remove_flock()
2588 	if (filp->f_op->flock)  in locks_remove_flock()
2589 		filp->f_op->flock(filp, F_SETLKW, &fl);  in locks_remove_flock()
2599 locks_remove_lease(struct file *filp, struct file_lock_context *ctx)  in locks_remove_lease()  argument
2610 		if (filp == fl->fl_file)  in locks_remove_lease()
2621 void locks_remove_file(struct file *filp)  in locks_remove_file()  argument
2625 	ctx = locks_inode_context(file_inode(filp));  in locks_remove_file()
2630 	locks_remove_posix(filp, filp);  in locks_remove_file()
2633 	locks_remove_flock(filp, ctx);  in locks_remove_file()
2636 	locks_remove_lease(filp, ctx);  in locks_remove_file()
2639 	locks_check_ctx_file_list(filp, &ctx->flc_posix, "POSIX");  in locks_remove_file()
2640 	locks_check_ctx_file_list(filp, &ctx->flc_flock, "FLOCK");  in locks_remove_file()
2641 	locks_check_ctx_file_list(filp, &ctx->flc_lease, "LEASE");  in locks_remove_file()
2652 int vfs_cancel_lock(struct file *filp, struct file_lock *fl)  in vfs_cancel_lock()  argument
2654 	WARN_ON_ONCE(filp != fl->fl_file);  in vfs_cancel_lock()
2655 	if (filp->f_op->lock)  in vfs_cancel_lock()
2656 		return filp->f_op->lock(filp, F_CANCELLK, fl);  in vfs_cancel_lock()
2829 			struct file *filp, struct files_struct *files)  in __show_fd_locks()  argument
2835 		if (filp != fl->fl_file)  in __show_fd_locks()
2838 		    fl->fl_owner != filp)  in __show_fd_locks()
2848 		  struct file *filp, struct files_struct *files)  in show_fd_locks()  argument
2850 	struct inode *inode = file_inode(filp);  in show_fd_locks()
2859 	__show_fd_locks(f, &ctx->flc_flock, &id, filp, files);  in show_fd_locks()
2860 	__show_fd_locks(f, &ctx->flc_posix, &id, filp, files);  in show_fd_locks()
2861 	__show_fd_locks(f, &ctx->flc_lease, &id, filp, files);  in show_fd_locks()