forked from Archive/PX4-Autopilot
84 lines
3.7 KiB
C
84 lines
3.7 KiB
C
/****************************************************************************
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* fs/nfs/nfs_node.h
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*
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* Copyright (C) 2012-2013 Gregory Nutt. All rights reserved.
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* Copyright (C) 2012 Jose Pablo Rojas Vargas. All rights reserved.
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* Author: Jose Pablo Rojas Vargas <jrojas@nx-engineering.com>
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* Gregory Nutt <gnutt@nuttx.org>
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*
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* Leveraged from OpenBSD:
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*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Rick Macklem at The University of Guelph.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __FS_NFS_NFS_NODE_H
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#define __FS_NFS_NFS_NODE_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include "nfs_proto.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Flags for struct nfsnode n_flag */
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#define NFSNODE_OPEN (1 << 0) /* File is still open */
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#define NFSNODE_MODIFIED (1 << 1) /* Might have a modified buffer */
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/* There is a unique nfsnode allocated for each active file. An nfsnode is
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* 'named' by its file handle.
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*/
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struct nfsnode
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{
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struct nfsnode *n_next; /* Retained in a singly linked list. */
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uint8_t n_crefs; /* Reference count (for nfs_dup) */
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uint8_t n_type; /* File type */
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uint8_t n_fhsize; /* Size in bytes of the file handle */
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uint8_t n_flags; /* Node flags */
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struct timespec n_mtime; /* File modification time (see NOTE) */
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time_t n_ctime; /* File creation time (see NOTE) */
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nfsfh_t n_fhandle; /* NFS File Handle */
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uint64_t n_size; /* Current size of file (see NOTE) */
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};
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#endif /* __FS_NFS_NFS_NODE_H */
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