freebsd-nq/sys/fs/fuse/fuse_param.h
John Baldwin f83f3d7986 Update link count handling in fuse for post-ino64.
Set FUSE_LINK_MAX to UINT32_MAX instead of LINK_MAX to match the maximum
link count possible in the 'nlink' field of 'struct fuse_attr'.

Sponsored by:	Chelsio Communications
2017-12-19 22:40:54 +00:00

83 lines
3.0 KiB
C

/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 2007-2009 Google Inc. and Amit Singh
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
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*
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* * Redistributions in binary form must reproduce the above
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*
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*
* $FreeBSD$
*/
#ifndef _FUSE_PARAM_H_
#define _FUSE_PARAM_H_
/*
* This is the prefix ("fuse" by default) of the name of a FUSE device node
* in devfs. The suffix is the device number. "/dev/fuse0" is the first FUSE
* device by default. If you change the prefix from the default to something
* else, the user-space FUSE library will need to know about it too.
*/
#define FUSE_DEVICE_BASENAME "fuse"
/*
* This is the number of /dev/fuse<n> nodes we will create. <n> goes from
* 0 to (FUSE_NDEVICES - 1).
*/
#define FUSE_NDEVICES 16
/*
* This is the default block size of the virtual storage devices that are
* implicitly implemented by the FUSE kernel extension. This can be changed
* on a per-mount basis (there's one such virtual device for each mount).
*/
#define FUSE_DEFAULT_BLOCKSIZE 4096
/*
* This is default I/O size used while accessing the virtual storage devices.
* This can be changed on a per-mount basis.
*/
#define FUSE_DEFAULT_IOSIZE 4096
#ifdef KERNEL
/*
* This is the soft upper limit on the number of "request tickets" FUSE's
* user-kernel IPC layer can have for a given mount. This can be modified
* through the fuse.* sysctl interface.
*/
#define FUSE_DEFAULT_MAX_FREE_TICKETS 1024
#define FUSE_DEFAULT_IOV_PERMANENT_BUFSIZE (1L << 19)
#define FUSE_DEFAULT_IOV_CREDIT 16
#endif
#define FUSE_LINK_MAX UINT32_MAX
#endif /* _FUSE_PARAM_H_ */