diff options
Diffstat (limited to 'fs/nfsd/nfssvc.c')
| -rw-r--r-- | fs/nfsd/nfssvc.c | 80 |
1 files changed, 52 insertions, 28 deletions
diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index 1697539a717..89ed0469686 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -30,6 +30,7 @@ #include <linux/nfsd/nfsd.h> #include <linux/nfsd/stats.h> #include <linux/nfsd/cache.h> +#include <linux/nfsd/syscall.h> #include <linux/lockd/bind.h> #include <linux/nfsacl.h> @@ -52,7 +53,7 @@ extern struct svc_program nfsd_program; static void nfsd(struct svc_rqst *rqstp); struct timeval nfssvc_boot; -static struct svc_serv *nfsd_serv; + struct svc_serv *nfsd_serv; static atomic_t nfsd_busy; static unsigned long nfsd_last_call; static DEFINE_SPINLOCK(nfsd_call_lock); @@ -63,6 +64,31 @@ struct nfsd_list { }; static struct list_head nfsd_list = LIST_HEAD_INIT(nfsd_list); +static struct svc_version * nfsd_version[] = { + [2] = &nfsd_version2, +#if defined(CONFIG_NFSD_V3) + [3] = &nfsd_version3, +#endif +#if defined(CONFIG_NFSD_V4) + [4] = &nfsd_version4, +#endif +}; + +#define NFSD_MINVERS 2 +#define NFSD_NRVERS (sizeof(nfsd_version)/sizeof(nfsd_version[0])) +static struct svc_version *nfsd_versions[NFSD_NRVERS]; + +struct svc_program nfsd_program = { + .pg_prog = NFS_PROGRAM, /* program number */ + .pg_nvers = NFSD_NRVERS, /* nr of entries in nfsd_version */ + .pg_vers = nfsd_versions, /* version table */ + .pg_name = "nfsd", /* program name */ + .pg_class = "nfsd", /* authentication class */ + .pg_stats = &nfsd_svcstats, /* version table */ + .pg_authenticate = &svc_set_client, /* export authentication */ + +}; + /* * Maximum number of nfsd processes */ @@ -80,11 +106,12 @@ int nfsd_svc(unsigned short port, int nrservs) { int error; - int none_left; + int none_left, found_one, i; struct list_head *victim; lock_kernel(); - dprintk("nfsd: creating service\n"); + dprintk("nfsd: creating service: vers 0x%x\n", + nfsd_versbits); error = -EINVAL; if (nrservs <= 0) nrservs = 0; @@ -99,6 +126,27 @@ nfsd_svc(unsigned short port, int nrservs) if (error<0) goto out; if (!nfsd_serv) { + /* + * Use the nfsd_ctlbits to define which + * versions that will be advertised. + * If nfsd_ctlbits doesn't list any version, + * export them all. + */ + found_one = 0; + + for (i = NFSD_MINVERS; i < NFSD_NRVERS; i++) { + if (NFSCTL_VERISSET(nfsd_versbits, i)) { + nfsd_program.pg_vers[i] = nfsd_version[i]; + found_one = 1; + } else + nfsd_program.pg_vers[i] = NULL; + } + + if (!found_one) { + for (i = NFSD_MINVERS; i < NFSD_NRVERS; i++) + nfsd_program.pg_vers[i] = nfsd_version[i]; + } + atomic_set(&nfsd_busy, 0); error = -ENOMEM; nfsd_serv = svc_create(&nfsd_program, NFSD_BUFSIZE); @@ -379,6 +427,7 @@ static struct svc_program nfsd_acl_program = { .pg_name = "nfsd", .pg_class = "nfsd", .pg_stats = &nfsd_acl_svcstats, + .pg_authenticate = &svc_set_client, }; static struct svc_stat nfsd_acl_svcstats = { @@ -389,28 +438,3 @@ static struct svc_stat nfsd_acl_svcstats = { #else #define nfsd_acl_program_p NULL #endif /* defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL) */ - -extern struct svc_version nfsd_version2, nfsd_version3, nfsd_version4; - -static struct svc_version * nfsd_version[] = { - [2] = &nfsd_version2, -#if defined(CONFIG_NFSD_V3) - [3] = &nfsd_version3, -#endif -#if defined(CONFIG_NFSD_V4) - [4] = &nfsd_version4, -#endif -}; - -#define NFSD_NRVERS (sizeof(nfsd_version)/sizeof(nfsd_version[0])) -struct svc_program nfsd_program = { - .pg_next = nfsd_acl_program_p, - .pg_prog = NFS_PROGRAM, /* program number */ - .pg_nvers = NFSD_NRVERS, /* nr of entries in nfsd_version */ - .pg_vers = nfsd_version, /* version table */ - .pg_name = "nfsd", /* program name */ - .pg_class = "nfsd", /* authentication class */ - .pg_stats = &nfsd_svcstats, /* version table */ - .pg_authenticate = &svc_set_client, /* export authentication */ - -}; |