You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
105 lines
4.9 KiB
105 lines
4.9 KiB
/**************************************************************************** |
|
* fs/nfs/nfs_mount.h |
|
* |
|
* Copyright (C) 2012 Gregory Nutt. All rights reserved. |
|
* Copyright (C) 2012 Jose Pablo Rojas Vargas. All rights reserved. |
|
* Author: Jose Pablo Rojas Vargas <jrojas@nx-engineering.com> |
|
* |
|
* Leveraged from OpenBSD: |
|
* |
|
* Copyright (c) 1989, 1993 |
|
* The Regents of the University of California. All rights reserved. |
|
* |
|
* This code is derived from software contributed to Berkeley by |
|
* Rick Macklem at The University of Guelph. |
|
* |
|
* Redistribution and use in source and binary forms, with or without |
|
* modification, are permitted provided that the following conditions |
|
* are met: |
|
* |
|
* 1. Redistributions of source code must retain the above copyright |
|
* notice, this list of conditions and the following disclaimer. |
|
* 2. Redistributions in binary form must reproduce the above copyright |
|
* notice, this list of conditions and the following disclaimer in the |
|
* documentation and/or other materials provided with the distribution. |
|
* 4. Neither the name of the University nor the names of its contributors |
|
* may be used to endorse or promote products derived from this software |
|
* without specific prior written permission. |
|
* |
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
|
* SUCH DAMAGE. |
|
* |
|
****************************************************************************/ |
|
|
|
#ifndef __FS_NFS_NFS_MOUNT_H |
|
#define __FS_NFS_NFS_MOUNT_H |
|
|
|
/**************************************************************************** |
|
* Included Files |
|
****************************************************************************/ |
|
|
|
/**************************************************************************** |
|
* Pre-processor Definitions |
|
****************************************************************************/ |
|
|
|
/* Convert mount ptr to nfsmount ptr. */ |
|
|
|
#define VFSTONFS(mp) ((struct nfsmount *)((mp)->i_private)) |
|
|
|
/**************************************************************************** |
|
* Public Types |
|
****************************************************************************/ |
|
|
|
/* Mount structure. |
|
* One allocated on every NFS mount. |
|
* Holds NFS specific information for mount. |
|
*/ |
|
|
|
struct nfsmount |
|
{ |
|
int nm_flag; /* Flags for soft/hard... */ |
|
int nm_state; /* Internal state flags */ |
|
//struct inode *nm_blkdriver; /* Vfs structure for this filesystem */ |
|
struct nfsnode *nm_head; /* A list to all files opened on this mountpoint */ |
|
bool nm_mounted; /* true: The file system is ready */ |
|
sem_t nm_sem; /* Used to assume thread-safe access */ |
|
int nm_numgrps; /* Max. size of groupslist */ |
|
nfsfh_t nm_fh; /* File handle of root dir */ |
|
int nm_fhsize; /* Size of root file handle */ |
|
struct rpcclnt *nm_rpcclnt; /* rpc state */ |
|
struct socket *nm_so; /* Rpc socket */ |
|
int nm_sotype; /* Type of socket */ |
|
int nm_soproto; /* and protocol */ |
|
int nm_soflags; /* pr_flags for socket protocol */ |
|
struct sockaddr *nm_nam; /* Addr of server */ |
|
int nm_timeo; /* Init timer for NFSMNT_DUMBTIMR */ |
|
int nm_retry; /* Max retries */ |
|
int nm_srtt[4]; /* Timers for rpcs */ |
|
int nm_sdrtt[4]; |
|
int nm_sent; /* Request send count */ |
|
int nm_cwnd; /* Request send window */ |
|
int nm_timeouts; /* Request timeouts */ |
|
int nm_deadthresh; /* Threshold of timeouts-->dead server */ |
|
int nm_rsize; /* Max size of read rpc */ |
|
int nm_wsize; /* Max size of write rpc */ |
|
int nm_readdirsize; /* Size of a readdir rpc */ |
|
int nm_readahead; /* Num. of blocks to readahead */ |
|
int nm_acdirmin; /* Directory attr cache min lifetime */ |
|
int nm_acdirmax; /* Directory attr cache max lifetime */ |
|
int nm_acregmin; /* Reg file attr cache min lifetime */ |
|
int nm_acregmax; /* Reg file attr cache max lifetime */ |
|
unsigned char *nm_verf; /* V3 write verifier */ |
|
//char nm_mntonname[90]; /* directory on which mounted */ |
|
//uint8_t *nm_buffer; /* This is an allocated buffer to hold one sector*/ |
|
}; |
|
|
|
#endif
|
|
|