diff options
Diffstat (limited to 'net/sunrpc')
-rw-r--r-- | net/sunrpc/addr.c | 8 | ||||
-rw-r--r-- | net/sunrpc/auth_generic.c | 6 | ||||
-rw-r--r-- | net/sunrpc/auth_gss/auth_gss.c | 40 | ||||
-rw-r--r-- | net/sunrpc/cache.c | 2 | ||||
-rw-r--r-- | net/sunrpc/rpc_pipe.c | 3 | ||||
-rw-r--r-- | net/sunrpc/sched.c | 33 | ||||
-rw-r--r-- | net/sunrpc/svc.c | 8 | ||||
-rw-r--r-- | net/sunrpc/svc_xprt.c | 8 | ||||
-rw-r--r-- | net/sunrpc/svcauth_unix.c | 8 | ||||
-rw-r--r-- | net/sunrpc/svcsock.c | 4 | ||||
-rw-r--r-- | net/sunrpc/xdr.c | 3 | ||||
-rw-r--r-- | net/sunrpc/xprt.c | 10 | ||||
-rw-r--r-- | net/sunrpc/xprtsock.c | 3 |
13 files changed, 79 insertions, 57 deletions
diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c index 67a655e..ee77742 100644 --- a/net/sunrpc/addr.c +++ b/net/sunrpc/addr.c @@ -21,7 +21,7 @@ #include <linux/slab.h> #include <linux/export.h> -#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) +#if IS_ENABLED(CONFIG_IPV6) static size_t rpc_ntop6_noscopeid(const struct sockaddr *sap, char *buf, const int buflen) @@ -91,7 +91,7 @@ static size_t rpc_ntop6(const struct sockaddr *sap, return len; } -#else /* !(defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)) */ +#else /* !IS_ENABLED(CONFIG_IPV6) */ static size_t rpc_ntop6_noscopeid(const struct sockaddr *sap, char *buf, const int buflen) @@ -105,7 +105,7 @@ static size_t rpc_ntop6(const struct sockaddr *sap, return 0; } -#endif /* !(defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)) */ +#endif /* !IS_ENABLED(CONFIG_IPV6) */ static int rpc_ntop4(const struct sockaddr *sap, char *buf, const size_t buflen) @@ -155,7 +155,7 @@ static size_t rpc_pton4(const char *buf, const size_t buflen, return sizeof(struct sockaddr_in); } -#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) +#if IS_ENABLED(CONFIG_IPV6) static int rpc_parse_scope_id(const char *buf, const size_t buflen, const char *delim, struct sockaddr_in6 *sin6) { diff --git a/net/sunrpc/auth_generic.c b/net/sunrpc/auth_generic.c index e010a01..1426ec3 100644 --- a/net/sunrpc/auth_generic.c +++ b/net/sunrpc/auth_generic.c @@ -41,15 +41,17 @@ EXPORT_SYMBOL_GPL(rpc_lookup_cred); /* * Public call interface for looking up machine creds. */ -struct rpc_cred *rpc_lookup_machine_cred(void) +struct rpc_cred *rpc_lookup_machine_cred(const char *service_name) { struct auth_cred acred = { .uid = RPC_MACHINE_CRED_USERID, .gid = RPC_MACHINE_CRED_GROUPID, + .principal = service_name, .machine_cred = 1, }; - dprintk("RPC: looking up machine cred\n"); + dprintk("RPC: looking up machine cred for service %s\n", + service_name); return generic_auth.au_ops->lookup_cred(&generic_auth, &acred, 0); } EXPORT_SYMBOL_GPL(rpc_lookup_machine_cred); diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index afb5655..28d72d2 100644 --- a/net/sunrpc/auth_gss/auth_gss.c +++ b/net/sunrpc/auth_gss/auth_gss.c @@ -392,7 +392,8 @@ static void gss_encode_v0_msg(struct gss_upcall_msg *gss_msg) } static void gss_encode_v1_msg(struct gss_upcall_msg *gss_msg, - struct rpc_clnt *clnt, int machine_cred) + struct rpc_clnt *clnt, + const char *service_name) { struct gss_api_mech *mech = gss_msg->auth->mech; char *p = gss_msg->databuf; @@ -407,12 +408,8 @@ static void gss_encode_v1_msg(struct gss_upcall_msg *gss_msg, p += len; gss_msg->msg.len += len; } - if (machine_cred) { - len = sprintf(p, "service=* "); - p += len; - gss_msg->msg.len += len; - } else if (!strcmp(clnt->cl_program->name, "nfs4_cb")) { - len = sprintf(p, "service=nfs "); + if (service_name != NULL) { + len = sprintf(p, "service=%s ", service_name); p += len; gss_msg->msg.len += len; } @@ -429,17 +426,18 @@ static void gss_encode_v1_msg(struct gss_upcall_msg *gss_msg, } static void gss_encode_msg(struct gss_upcall_msg *gss_msg, - struct rpc_clnt *clnt, int machine_cred) + struct rpc_clnt *clnt, + const char *service_name) { if (pipe_version == 0) gss_encode_v0_msg(gss_msg); else /* pipe_version == 1 */ - gss_encode_v1_msg(gss_msg, clnt, machine_cred); + gss_encode_v1_msg(gss_msg, clnt, service_name); } -static inline struct gss_upcall_msg * -gss_alloc_msg(struct gss_auth *gss_auth, uid_t uid, struct rpc_clnt *clnt, - int machine_cred) +static struct gss_upcall_msg * +gss_alloc_msg(struct gss_auth *gss_auth, struct rpc_clnt *clnt, + uid_t uid, const char *service_name) { struct gss_upcall_msg *gss_msg; int vers; @@ -459,7 +457,7 @@ gss_alloc_msg(struct gss_auth *gss_auth, uid_t uid, struct rpc_clnt *clnt, atomic_set(&gss_msg->count, 1); gss_msg->uid = uid; gss_msg->auth = gss_auth; - gss_encode_msg(gss_msg, clnt, machine_cred); + gss_encode_msg(gss_msg, clnt, service_name); return gss_msg; } @@ -471,7 +469,7 @@ gss_setup_upcall(struct rpc_clnt *clnt, struct gss_auth *gss_auth, struct rpc_cr struct gss_upcall_msg *gss_new, *gss_msg; uid_t uid = cred->cr_uid; - gss_new = gss_alloc_msg(gss_auth, uid, clnt, gss_cred->gc_machine_cred); + gss_new = gss_alloc_msg(gss_auth, clnt, uid, gss_cred->gc_principal); if (IS_ERR(gss_new)) return gss_new; gss_msg = gss_add_msg(gss_new); @@ -995,7 +993,9 @@ gss_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags) */ cred->gc_base.cr_flags = 1UL << RPCAUTH_CRED_NEW; cred->gc_service = gss_auth->service; - cred->gc_machine_cred = acred->machine_cred; + cred->gc_principal = NULL; + if (acred->machine_cred) + cred->gc_principal = acred->principal; kref_get(&gss_auth->kref); return &cred->gc_base; @@ -1030,7 +1030,12 @@ gss_match(struct auth_cred *acred, struct rpc_cred *rc, int flags) if (!test_bit(RPCAUTH_CRED_UPTODATE, &rc->cr_flags)) return 0; out: - if (acred->machine_cred != gss_cred->gc_machine_cred) + if (acred->principal != NULL) { + if (gss_cred->gc_principal == NULL) + return 0; + return strcmp(acred->principal, gss_cred->gc_principal) == 0; + } + if (gss_cred->gc_principal != NULL) return 0; return rc->cr_uid == acred->uid; } @@ -1104,7 +1109,8 @@ static int gss_renew_cred(struct rpc_task *task) struct rpc_auth *auth = oldcred->cr_auth; struct auth_cred acred = { .uid = oldcred->cr_uid, - .machine_cred = gss_cred->gc_machine_cred, + .principal = gss_cred->gc_principal, + .machine_cred = (gss_cred->gc_principal != NULL ? 1 : 0), }; struct rpc_cred *new; diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c index 72ad836..03b56bc 100644 --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c @@ -1778,7 +1778,7 @@ const struct file_operations cache_flush_operations_pipefs = { }; int sunrpc_cache_register_pipefs(struct dentry *parent, - const char *name, mode_t umode, + const char *name, umode_t umode, struct cache_detail *cd) { struct qstr q; diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index bfddd68..63a7a7a 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -185,7 +185,6 @@ static void rpc_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(rpc_inode_cachep, RPC_I(inode)); } @@ -954,7 +953,7 @@ static void rpc_cachedir_depopulate(struct dentry *dentry) } struct dentry *rpc_create_cache_dir(struct dentry *parent, struct qstr *name, - mode_t umode, struct cache_detail *cd) + umode_t umode, struct cache_detail *cd) { return rpc_mkdir_populate(parent, name, umode, NULL, rpc_cachedir_populate, cd); diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index d12ffa5..3341d89 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -18,6 +18,7 @@ #include <linux/smp.h> #include <linux/spinlock.h> #include <linux/mutex.h> +#include <linux/freezer.h> #include <linux/sunrpc/clnt.h> @@ -231,7 +232,7 @@ static int rpc_wait_bit_killable(void *word) { if (fatal_signal_pending(current)) return -ERESTARTSYS; - schedule(); + freezable_schedule(); return 0; } @@ -590,6 +591,27 @@ void rpc_prepare_task(struct rpc_task *task) task->tk_ops->rpc_call_prepare(task, task->tk_calldata); } +static void +rpc_init_task_statistics(struct rpc_task *task) +{ + /* Initialize retry counters */ + task->tk_garb_retry = 2; + task->tk_cred_retry = 2; + task->tk_rebind_retry = 2; + + /* starting timestamp */ + task->tk_start = ktime_get(); +} + +static void +rpc_reset_task_statistics(struct rpc_task *task) +{ + task->tk_timeouts = 0; + task->tk_flags &= ~(RPC_CALL_MAJORSEEN|RPC_TASK_KILLED|RPC_TASK_SENT); + + rpc_init_task_statistics(task); +} + /* * Helper that calls task->tk_ops->rpc_call_done if it exists */ @@ -602,6 +624,7 @@ void rpc_exit_task(struct rpc_task *task) WARN_ON(RPC_ASSASSINATED(task)); /* Always release the RPC slot and buffer memory */ xprt_release(task); + rpc_reset_task_statistics(task); } } } @@ -804,11 +827,6 @@ static void rpc_init_task(struct rpc_task *task, const struct rpc_task_setup *ta task->tk_calldata = task_setup_data->callback_data; INIT_LIST_HEAD(&task->tk_task); - /* Initialize retry counters */ - task->tk_garb_retry = 2; - task->tk_cred_retry = 2; - task->tk_rebind_retry = 2; - task->tk_priority = task_setup_data->priority - RPC_PRIORITY_LOW; task->tk_owner = current->tgid; @@ -818,8 +836,7 @@ static void rpc_init_task(struct rpc_task *task, const struct rpc_task_setup *ta if (task->tk_ops->rpc_call_prepare != NULL) task->tk_action = rpc_prepare_task; - /* starting timestamp */ - task->tk_start = ktime_get(); + rpc_init_task_statistics(task); dprintk("RPC: new task initialized, procpid %u\n", task_pid_nr(current)); diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index 6e03888..9d01d46 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -826,7 +826,7 @@ static int __svc_rpcb_register4(const u32 program, const u32 version, return error; } -#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) +#if IS_ENABLED(CONFIG_IPV6) /* * Register an "inet6" protocol family netid with the local * rpcbind daemon via an rpcbind v4 SET request. @@ -872,7 +872,7 @@ static int __svc_rpcb_register6(const u32 program, const u32 version, return error; } -#endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */ +#endif /* IS_ENABLED(CONFIG_IPV6) */ /* * Register a kernel RPC service via rpcbind version 4. @@ -893,11 +893,11 @@ static int __svc_register(const char *progname, error = __svc_rpcb_register4(program, version, protocol, port); break; -#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) +#if IS_ENABLED(CONFIG_IPV6) case PF_INET6: error = __svc_rpcb_register6(program, version, protocol, port); -#endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */ +#endif } if (error < 0) diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c index 447cd0e..38649cf 100644 --- a/net/sunrpc/svc_xprt.c +++ b/net/sunrpc/svc_xprt.c @@ -179,13 +179,13 @@ static struct svc_xprt *__svc_xpo_create(struct svc_xprt_class *xcl, .sin_addr.s_addr = htonl(INADDR_ANY), .sin_port = htons(port), }; -#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) +#if IS_ENABLED(CONFIG_IPV6) struct sockaddr_in6 sin6 = { .sin6_family = AF_INET6, .sin6_addr = IN6ADDR_ANY_INIT, .sin6_port = htons(port), }; -#endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */ +#endif struct sockaddr *sap; size_t len; @@ -194,12 +194,12 @@ static struct svc_xprt *__svc_xpo_create(struct svc_xprt_class *xcl, sap = (struct sockaddr *)&sin; len = sizeof(sin); break; -#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) +#if IS_ENABLED(CONFIG_IPV6) case PF_INET6: sap = (struct sockaddr *)&sin6; len = sizeof(sin6); break; -#endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */ +#endif default: return ERR_PTR(-EAFNOSUPPORT); } diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c index ce13632..01153ea 100644 --- a/net/sunrpc/svcauth_unix.c +++ b/net/sunrpc/svcauth_unix.c @@ -134,7 +134,7 @@ static void ip_map_init(struct cache_head *cnew, struct cache_head *citem) struct ip_map *item = container_of(citem, struct ip_map, h); strcpy(new->m_class, item->m_class); - ipv6_addr_copy(&new->m_addr, &item->m_addr); + new->m_addr = item->m_addr; } static void update(struct cache_head *cnew, struct cache_head *citem) { @@ -220,7 +220,7 @@ static int ip_map_parse(struct cache_detail *cd, ipv6_addr_set_v4mapped(address.s4.sin_addr.s_addr, &sin6.sin6_addr); break; -#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) +#if IS_ENABLED(CONFIG_IPV6) case AF_INET6: memcpy(&sin6, &address.s6, sizeof(sin6)); break; @@ -274,7 +274,7 @@ static int ip_map_show(struct seq_file *m, } im = container_of(h, struct ip_map, h); /* class addr domain */ - ipv6_addr_copy(&addr, &im->m_addr); + addr = im->m_addr; if (test_bit(CACHE_VALID, &h->flags) && !test_bit(CACHE_NEGATIVE, &h->flags)) @@ -297,7 +297,7 @@ static struct ip_map *__ip_map_lookup(struct cache_detail *cd, char *class, struct cache_head *ch; strcpy(ip.m_class, class); - ipv6_addr_copy(&ip.m_addr, addr); + ip.m_addr = *addr; ch = sunrpc_cache_lookup(cd, &ip.h, hash_str(class, IP_HASHBITS) ^ hash_ip6(*addr)); diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index 71bed1c..4653286 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -157,7 +157,7 @@ static void svc_set_cmsg_data(struct svc_rqst *rqstp, struct cmsghdr *cmh) cmh->cmsg_level = SOL_IPV6; cmh->cmsg_type = IPV6_PKTINFO; pki->ipi6_ifindex = daddr->sin6_scope_id; - ipv6_addr_copy(&pki->ipi6_addr, &daddr->sin6_addr); + pki->ipi6_addr = daddr->sin6_addr; cmh->cmsg_len = CMSG_LEN(sizeof(*pki)); } break; @@ -523,7 +523,7 @@ static int svc_udp_get_dest_address6(struct svc_rqst *rqstp, return 0; daddr->sin6_family = AF_INET6; - ipv6_addr_copy(&daddr->sin6_addr, &pki->ipi6_addr); + daddr->sin6_addr = pki->ipi6_addr; daddr->sin6_scope_id = pki->ipi6_ifindex; return 1; } diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c index 277ebd4..593f4c6 100644 --- a/net/sunrpc/xdr.c +++ b/net/sunrpc/xdr.c @@ -296,7 +296,7 @@ _copy_to_pages(struct page **pages, size_t pgbase, const char *p, size_t len) * Copies data into an arbitrary memory location from an array of pages * The copy is assumed to be non-overlapping. */ -static void +void _copy_from_pages(char *p, struct page **pages, size_t pgbase, size_t len) { struct page **pgfrom; @@ -324,6 +324,7 @@ _copy_from_pages(char *p, struct page **pages, size_t pgbase, size_t len) } while ((len -= copy) != 0); } +EXPORT_SYMBOL_GPL(_copy_from_pages); /* * xdr_shrink_bufhead diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index f4385e4..c64c0ef 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -995,13 +995,11 @@ out_init_req: static void xprt_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *req) { - if (xprt_dynamic_free_slot(xprt, req)) - return; - - memset(req, 0, sizeof(*req)); /* mark unused */ - spin_lock(&xprt->reserve_lock); - list_add(&req->rq_list, &xprt->free); + if (!xprt_dynamic_free_slot(xprt, req)) { + memset(req, 0, sizeof(*req)); /* mark unused */ + list_add(&req->rq_list, &xprt->free); + } rpc_wake_up_next(&xprt->backlog); spin_unlock(&xprt->reserve_lock); } diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 2d78d95..55472c4 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -496,7 +496,7 @@ static int xs_nospace(struct rpc_task *task) struct rpc_rqst *req = task->tk_rqstp; struct rpc_xprt *xprt = req->rq_xprt; struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt); - int ret = 0; + int ret = -EAGAIN; dprintk("RPC: %5u xmit incomplete (%u left of %u)\n", task->tk_pid, req->rq_slen - req->rq_bytes_sent, @@ -508,7 +508,6 @@ static int xs_nospace(struct rpc_task *task) /* Don't race with disconnect */ if (xprt_connected(xprt)) { if (test_bit(SOCK_ASYNC_NOSPACE, &transport->sock->flags)) { - ret = -EAGAIN; /* * Notify TCP that we're limited by the application * window size |