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NFS update

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4650 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2012-04-23 23:21:30 +00:00
parent 7912074cc9
commit a364f10635
8 changed files with 77 additions and 309 deletions
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113
fs/nfs/nfs.h
View file

@ -53,31 +53,32 @@
* Pre-processor Definitions
****************************************************************************/
#define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */
#define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */
#define NFS_HZ (CLOCKS_PER_SEC / nfs_ticks) /* Ticks/sec */
#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */
#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */
#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */
#define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops */
#define NFS_TIMEOUTMUL 2 /* Timeout/Delay multiplier */
#define NFS_MAXREXMIT 100 /* Stop counting after this many */
#define NFS_RETRANS 10 /* Num of retrans for soft mounts */
#define NFS_MAXGRPS 16 /* Max. size of groups list */
#define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */
#define NFS_TIMEOUTMUL 2 /* Timeout/Delay multiplier */
#define NFS_MAXREXMIT 100 /* Stop counting after this many */
#define NFS_RETRANS 10 /* Num of retrans for soft mounts */
#define NFS_MAXGRPS 16 /* Max. size of groups list */
#define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */
#define NFS_MAXATTRTIMO 60
#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */
#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */
#define NFS_READDIRSIZE 8192 /* Def. readdir size */
#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */
#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */
#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runable */
#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */
#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */
#define NFS_READDIRSIZE 8192 /* Def. readdir size */
#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */
#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */
#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runable */
#define NFS_NPROCS 23
/* Ideally, NFS_DIRBLKSIZ should be bigger, but I've seen servers with
* broken NFS/ethernet drivers that won't work with anything bigger (Linux..)
*/
#define NFS_DIRBLKSIZ 1024 /* Must be a multiple of DIRBLKSIZ */
#define NFS_READDIRBLKSIZ 512 /* Size of read dir blocks. XXX */
#define NFS_DIRBLKSIZ 1024 /* Must be a multiple of DIRBLKSIZ */
#define NFS_READDIRBLKSIZ 512 /* Size of read dir blocks. XXX */
/* Oddballs */
@ -189,13 +190,14 @@
/* Bits for "nd_flag" */
#define ND_NFSV3 0x08
#define NFSD_CHECKSLP 0x01
/****************************************************************************
* Public Types
****************************************************************************/
#undef COMP
#ifdef COMP
/* Structures for the nfssvc(2) syscall.
* Not that anyone besides nfsd(8) should ever use it.
*/
@ -220,46 +222,6 @@ struct nfsd_srvargs
uint32_t nsd_ttl; /* credential ttl (sec) */
};
/* Stats structure */
struct nfsstats
{
uint64_t attrcache_hits;
uint64_t attrcache_misses;
uint64_t lookupcache_hits;
uint64_t lookupcache_misses;
uint64_t direofcache_hits;
uint64_t direofcache_misses;
uint64_t biocache_reads;
uint64_t read_bios;
uint64_t read_physios;
uint64_t biocache_writes;
uint64_t write_bios;
uint64_t write_physios;
uint64_t biocache_readlinks;
uint64_t readlink_bios;
uint64_t biocache_readdirs;
uint64_t readdir_bios;
uint64_t rpccnt[NFS_NPROCS];
uint64_t rpcretries;
uint64_t srvrpccnt[NFS_NPROCS];
uint64_t srvrpc_errs;
uint64_t srv_errs;
uint64_t rpcrequests;
uint64_t rpctimeouts;
uint64_t rpcunexpected;
uint64_t rpcinvalid;
uint64_t srvcache_inproghits;
uint64_t srvcache_idemdonehits;
uint64_t srvcache_nonidemdonehits;
uint64_t srvcache_misses;
uint64_t forcedsync;
uint64_t srvnqnfs_leases;
uint64_t srvnqnfs_maxleases;
uint64_t srvnqnfs_getleases;
uint64_t srvvop_writes;
};
/* The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
* What should be in this set is open to debate, but I believe that since
* I/O system calls on ufs are never interrupted by signals the set should
@ -330,6 +292,47 @@ struct nfsrv_descript
int nd_repstat; /* Reply status */
uint32_t nd_retxid; /* Reply xid */
};
#endif
/* Stats structure */
struct nfsstats
{
uint64_t attrcache_hits;
uint64_t attrcache_misses;
uint64_t lookupcache_hits;
uint64_t lookupcache_misses;
uint64_t direofcache_hits;
uint64_t direofcache_misses;
uint64_t biocache_reads;
uint64_t read_bios;
uint64_t read_physios;
uint64_t biocache_writes;
uint64_t write_bios;
uint64_t write_physios;
uint64_t biocache_readlinks;
uint64_t readlink_bios;
uint64_t biocache_readdirs;
uint64_t readdir_bios;
uint64_t rpccnt[NFS_NPROCS];
uint64_t rpcretries;
uint64_t srvrpccnt[NFS_NPROCS];
uint64_t srvrpc_errs;
uint64_t srv_errs;
uint64_t rpcrequests;
uint64_t rpctimeouts;
uint64_t rpcunexpected;
uint64_t rpcinvalid;
uint64_t srvcache_inproghits;
uint64_t srvcache_idemdonehits;
uint64_t srvcache_nonidemdonehits;
uint64_t srvcache_misses;
uint64_t forcedsync;
uint64_t srvnqnfs_leases;
uint64_t srvnqnfs_maxleases;
uint64_t srvnqnfs_getleases;
uint64_t srvvop_writes;
};
/****************************************************************************
* Public Data

5
fs/nfs/nfs_mount.h
View file

@ -47,6 +47,8 @@
* Included Files
****************************************************************************/
#include <nuttx/fs/nfs.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
@ -68,7 +70,6 @@ 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 */
@ -98,8 +99,6 @@ struct nfsmount
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

2
fs/nfs/nfs_node.h
View file

@ -49,6 +49,8 @@
#include <nuttx/fs/nfs.h>
#include "nfs.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/

6
fs/nfs/nfs_proto.h
View file

@ -47,8 +47,10 @@
* Included Files
****************************************************************************/
#include <nuttx/fs/nfs.h>
#include <nuttx/fs/nfs.h>
#include "nfs.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
@ -302,7 +304,7 @@ typedef struct fhandle fhandle_t;
/*
union nfsfh
{
fhandle_t fh_generic;
fhandle_t fh_generic;
unsigned char fh_bytes[NFS_MAXFHSIZE];
};
typedef union nfsfh nfsfh_t;

2
fs/nfs/nfs_socket.c
View file

@ -46,8 +46,6 @@
#include <string.h>
#include <debug.h>
#include <nuttx/fs/nfs.h>
#include "nfs.h"
#include "rpc.h"
#include "rpc_v2.h"

5
fs/nfs/nfs_util.c
View file

@ -134,7 +134,10 @@ int nfs_checkmount(struct nfsmount *nmp)
{
file->n_open = false;
}
return -ENODEV;
}
return -ENODEV;
return 0;
}

4
fs/nfs/nfs_vfsops.c
View file

@ -1016,6 +1016,7 @@ int mountnfs(struct nfs_args *argp, struct sockaddr *nam, void **handle)
sem_init(&nmp->nm_sem, 0, 0); /* Initialize the semaphore that controls access */
//nmp->nm_blkdriver = blkdriver; /* Save the block driver reference */
nfs_init();
nmp->nm_timeo = NFS_TIMEO;
nmp->nm_retry = NFS_RETRANS;
nmp->nm_wsize = NFS_WSIZE;
@ -1053,8 +1054,7 @@ int mountnfs(struct nfs_args *argp, struct sockaddr *nam, void **handle)
/* Mounted! */
nmp->nm_mounted = true;
nfs_init();
*handle /*= blkdriver->i_private*/ = &nmp;
*handle = &nmp;
nfs_semgive(nmp);
return 0;

249
include/nuttx/fs/nfs.h
View file

@ -51,145 +51,7 @@
* Pre-processor Definitions
****************************************************************************/
#define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */
#define NFS_HZ (CLOCKS_PER_SEC / nfs_ticks) /* Ticks/sec */
#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */
#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */
#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */
#define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops */
#define NFS_TIMEOUTMUL 2 /* Timeout/Delay multiplier */
#define NFS_MAXREXMIT 100 /* Stop counting after this many */
#define NFS_RETRANS 10 /* Num of retrans for soft mounts */
#define NFS_MAXGRPS 16 /* Max. size of groups list */
#define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */
#define NFS_MAXATTRTIMO 60
#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */
#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */
#define NFS_READDIRSIZE 8192 /* Def. readdir size */
#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */
#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */
#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runable */
/* Ideally, NFS_DIRBLKSIZ should be bigger, but I've seen servers with
* broken NFS/ethernet drivers that won't work with anything bigger (Linux..)
*/
#define NFS_DIRBLKSIZ 1024 /* Must be a multiple of DIRBLKSIZ */
#define NFS_READDIRBLKSIZ 512 /* Size of read dir blocks. XXX */
/* Oddballs */
#define NFS_CMPFH(n, f, s) \
((n)->n_fhsize == (s) && !bcmp((void *)(n)->n_fhp, (void *)(f), (s)))
#define NFS_ISV3(i) (VFSTONFS((i)->f_inode)->nm_flag & NFSMNT_NFSV3)
#define NFS_SRVMAXDATA(n) \
(((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \
NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA)
/* sys/malloc.h needs M_NFSDIROFF, M_NFSRVDESC and M_NFSBIGFH added. */
#ifndef M_NFSRVDESC
# define M_NFSRVDESC M_TEMP
#endif
#ifndef M_NFSDIROFF
# define M_NFSDIROFF M_TEMP
#endif
#ifndef M_NFSBIGFH
# define M_NFSBIGFH M_TEMP
#endif
/* The B_INVAFTERWRITE flag should be set to whatever is required by the
* buffer cache code to say "Invalidate the block after it is written back".
*/
#define B_INVAFTERWRITE B_INVAL
/* Flags for nfssvc() system call. */
#define NFSSVC_BIOD 0x002
#define NFSSVC_NFSD 0x004
#define NFSSVC_ADDSOCK 0x008
#define NFSSVC_AUTHIN 0x010
#define NFSSVC_GOTAUTH 0x040
#define NFSSVC_AUTHINFAIL 0x080
#define NFSSVC_MNTD 0x100
/* fs.nfs sysctl(3) identifiers */
#define NFS_NFSSTATS 1 /* struct: struct nfsstats */
#define NFS_NIOTHREADS 2 /* number of i/o threads */
#define NFS_MAXID 3
#define FS_NFS_NAMES { \
{ 0, 0 }, \
{ "nfsstats", CTLTYPE_STRUCT }, \
{ "iothreads", CTLTYPE_INT } \
}
#define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \
sigmask(SIGHUP)|sigmask(SIGQUIT))
/* Socket errors ignored for connectionless sockets??
* For now, ignore them all
*/
#define NFSIGNORE_SOERROR(s, e) \
((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \
((s) & PR_CONNREQUIRED) == 0)
/* Flag values for r_flags */
#define R_TIMING 0x01/* timing request (in mntp) */
#define R_SENT 0x02/* request has been sent */
#define R_SOFTTERM 0x04/* soft mnt, too many retries */
#define R_INTR 0x08/* intr mnt, signal pending */
#define R_SOCKERR 0x10/* Fatal error on socket */
#define R_TPRINTFMSG 0x20/* Did a tprintf msg. */
#define R_MUSTRESEND 0x40/* Must resend request */
/* On fast networks, the estimator will try to reduce the
* timeout lower than the latency of the server's disks,
* which results in too many timeouts, so cap the lower
* bound.
*/
#define NFS_MINRTO (NFS_HZ >> 2)
/* Keep the RTO from increasing to unreasonably large values
* when a server is not responding.
*/
#define NFS_MAXRTO (20 * NFS_HZ)
#define NFS_MAX_TIMER (NFS_WRITE_TIMER)
#define NFS_INITRTT (NFS_HZ << 3)
/* Bits for "ns_flag" */
#define SLP_VALID 0x01/* connection is usable */
#define SLP_DOREC 0x02/* receive operation required */
#define SLP_NEEDQ 0x04/* connection has data to queue from socket */
#define SLP_DISCONN 0x08/* connection is closed */
#define SLP_GETSTREAM 0x10/* extracting RPC from TCP connection */
#define SLP_LASTFRAG 0x20/* last fragment received on TCP connection */
#define SLP_ALLFLAGS 0xff/* convenience */
#define SLP_INIT 0x01/* NFS data undergoing initialization */
#define SLP_WANTINIT 0x02/* thread waiting on NFS initialization */
/* Bits for "nfsd_flag" */
#define NFSD_WAITING 0x01
#define NFSD_REQINPROG 0x02
#define NFSD_NEEDAUTH 0x04
#define NFSD_AUTHFAIL 0x08
/* Bits for "nd_flag" */
#define ND_NFSV3 0x08
#define NFSD_CHECKSLP 0x01
/* NFS mount option flags */
/* NFS mount option flags */
#define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */
#define NFSMNT_WSIZE 0x00000002 /* set write size */
@ -227,14 +89,14 @@
#define NFSMNT_NOAC 0x00080000 /* Turn off attribute cache */
#define NFS_ARGSVERSION 3 /* change when nfs_args changes */
#define NFS_NPROCS 23
#define NFS_MAXFHSIZE 64
#define NFS_MAXFHSIZE 64
#define NFS_PORT 2049
/****************************************************************************
* Public Types
****************************************************************************/
/* File Handle (32 bytes for version 2), variable up to 64 for version 3. */
/* File Handle (32 bytes for version 2), variable up to 64 for version 3. */
union nfsfh
{
@ -242,106 +104,6 @@ union nfsfh
};
typedef union nfsfh nfsfh_t;
#undef COMP
#ifdef COMP
/* Structures for the nfssvc(2) syscall.
* Not that anyone besides nfsd(8) should ever use it.
*/
struct nfsd_args
{
int sock; /* Socket to serve */
void *name; /* Client addr for connection based sockets */
int namelen; /* Length of name */
};
struct nfsd_srvargs
{
struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */
uid_t nsd_uid; /* Effective uid mapped to cred */
uint32_t nsd_haddr; /* IP address of client */
int nsd_authlen; /* Length of auth string (ret) */
unsigned char *nsd_authstr; /* Auth string (ret) */
int nsd_verflen; /* and the verifier */
unsigned char *nsd_verfstr;
struct timeval nsd_timestamp; /* timestamp from verifier */
uint32_t nsd_ttl; /* credential ttl (sec) */
};
#endif
#ifdef COMP
/* The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
* What should be in this set is open to debate, but I believe that since
* I/O system calls on ufs are never interrupted by signals the set should
* be minimal. My reasoning is that many current programs that use signals
* such as SIGALRM will not expect file I/O system calls to be interrupted
* by them and break.
*/
/* Nfs outstanding request list element */
struct nfsmount;
struct nfsreq
{
dq_entry_t r_chain;
struct nfsmount *r_nmp;
uint32_t r_xid;
int r_flags; /* flags on request, see below */
int r_rexmit; /* current retrans count */
int r_timer; /* tick counter on reply */
int r_procnum; /* NFS procedure number */
int r_rtt; /* RTT for rpc */
};
enum nfs_rto_timers
{
NFS_DEFAULT_TIMER,
NFS_GETATTR_TIMER,
NFS_LOOKUP_TIMER,
NFS_READ_TIMER,
NFS_WRITE_TIMER,
};
/* Network address hash list element */
union nethostaddr
{
uint32_t had_inetaddr;
};
struct nfssvc_sock
{
// TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */
struct file *ns_fp; /* fp from the... */
struct socket *ns_so; /* ...socket this struct wraps */
int ns_flag; /* socket status flags */
int ns_solock; /* lock for connected socket */
int ns_cc; /* actual chars queued */
int ns_reclen; /* length of first queued record */
uint32_t ns_sref; /* # of refs to this struct */
};
/* One of these structures is allocated for each nfsd. */
struct nfsd
{
//TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */
int nfsd_flag; /* NFSD_ flags */
struct nfssvc_sock *nfsd_slp; /* Current socket */
struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */
};
/* This structure is used by the server for describing each request. */
struct nfsrv_descript
{
unsigned int nd_procnum; /* RPC # */
int nd_flag; /* nd_flag */
int nd_repstat; /* Reply status */
uint32_t nd_retxid; /* Reply xid */
};
#endif
/* Arguments to mount NFS */
struct nfs_args
@ -363,7 +125,6 @@ struct nfs_args
int readahead; /* # of blocks to readahead */
int leaseterm; /* Term (sec) of lease */
int deadthresh; /* Retrans threshold */
//char *hostname; /* server's name */
int acregmin; /* cache attrs for reg files min time */
int acregmax; /* cache attrs for reg files max time */
int acdirmin; /* cache attrs for dirs min time */