diff options
| -rw-r--r-- | net/sunrpc/sysctl.c | 50 | ||||
| -rw-r--r-- | net/sunrpc/xprtsock.c | 107 |
2 files changed, 104 insertions, 53 deletions
diff --git a/net/sunrpc/sysctl.c b/net/sunrpc/sysctl.c index d89b048ad6b..82b27528d0c 100644 --- a/net/sunrpc/sysctl.c +++ b/net/sunrpc/sysctl.c @@ -18,7 +18,6 @@ #include <linux/sunrpc/types.h> #include <linux/sunrpc/sched.h> #include <linux/sunrpc/stats.h> -#include <linux/sunrpc/xprt.h> /* * Declare the debug flags here @@ -119,11 +118,6 @@ done: } -static unsigned int min_slot_table_size = RPC_MIN_SLOT_TABLE; -static unsigned int max_slot_table_size = RPC_MAX_SLOT_TABLE; -static unsigned int xprt_min_resvport_limit = RPC_MIN_RESVPORT; -static unsigned int xprt_max_resvport_limit = RPC_MAX_RESVPORT; - static ctl_table debug_table[] = { { .ctl_name = CTL_RPCDEBUG, @@ -157,50 +151,6 @@ static ctl_table debug_table[] = { .mode = 0644, .proc_handler = &proc_dodebug }, - { - .ctl_name = CTL_SLOTTABLE_UDP, - .procname = "udp_slot_table_entries", - .data = &xprt_udp_slot_table_entries, - .maxlen = sizeof(unsigned int), - .mode = 0644, - .proc_handler = &proc_dointvec_minmax, - .strategy = &sysctl_intvec, - .extra1 = &min_slot_table_size, - .extra2 = &max_slot_table_size - }, - { - .ctl_name = CTL_SLOTTABLE_TCP, - .procname = "tcp_slot_table_entries", - .data = &xprt_tcp_slot_table_entries, - .maxlen = sizeof(unsigned int), - .mode = 0644, - .proc_handler = &proc_dointvec_minmax, - .strategy = &sysctl_intvec, - .extra1 = &min_slot_table_size, - .extra2 = &max_slot_table_size - }, - { - .ctl_name = CTL_MIN_RESVPORT, - .procname = "min_resvport", - .data = &xprt_min_resvport, - .maxlen = sizeof(unsigned int), - .mode = 0644, - .proc_handler = &proc_dointvec_minmax, - .strategy = &sysctl_intvec, - .extra1 = &xprt_min_resvport_limit, - .extra2 = &xprt_max_resvport_limit - }, - { - .ctl_name = CTL_MAX_RESVPORT, - .procname = "max_resvport", - .data = &xprt_max_resvport, - .maxlen = sizeof(unsigned int), - .mode = 0644, - .proc_handler = &proc_dointvec_minmax, - .strategy = &sysctl_intvec, - .extra1 = &xprt_min_resvport_limit, - .extra2 = &xprt_max_resvport_limit - }, { .ctl_name = 0 } }; diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 70131c36f37..21438d7dc47 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -46,6 +46,92 @@ unsigned int xprt_min_resvport = RPC_DEF_MIN_RESVPORT; unsigned int xprt_max_resvport = RPC_DEF_MAX_RESVPORT; /* + * We can register our own files under /proc/sys/sunrpc by + * calling register_sysctl_table() again. The files in that + * directory become the union of all files registered there. + * + * We simply need to make sure that we don't collide with + * someone else's file names! + */ + +#ifdef RPC_DEBUG + +static unsigned int min_slot_table_size = RPC_MIN_SLOT_TABLE; +static unsigned int max_slot_table_size = RPC_MAX_SLOT_TABLE; +static unsigned int xprt_min_resvport_limit = RPC_MIN_RESVPORT; +static unsigned int xprt_max_resvport_limit = RPC_MAX_RESVPORT; + +static struct ctl_table_header *sunrpc_table_header; + +/* + * FIXME: changing the UDP slot table size should also resize the UDP + * socket buffers for existing UDP transports + */ +static ctl_table xs_tunables_table[] = { + { + .ctl_name = CTL_SLOTTABLE_UDP, + .procname = "udp_slot_table_entries", + .data = &xprt_udp_slot_table_entries, + .maxlen = sizeof(unsigned int), + .mode = 0644, + .proc_handler = &proc_dointvec_minmax, + .strategy = &sysctl_intvec, + .extra1 = &min_slot_table_size, + .extra2 = &max_slot_table_size + }, + { + .ctl_name = CTL_SLOTTABLE_TCP, + .procname = "tcp_slot_table_entries", + .data = &xprt_tcp_slot_table_entries, + .maxlen = sizeof(unsigned int), + .mode = 0644, + .proc_handler = &proc_dointvec_minmax, + .strategy = &sysctl_intvec, + .extra1 = &min_slot_table_size, + .extra2 = &max_slot_table_size + }, + { + .ctl_name = CTL_MIN_RESVPORT, + .procname = "min_resvport", + .data = &xprt_min_resvport, + .maxlen = sizeof(unsigned int), + .mode = 0644, + .proc_handler = &proc_dointvec_minmax, + .strategy = &sysctl_intvec, + .extra1 = &xprt_min_resvport_limit, + .extra2 = &xprt_max_resvport_limit + }, + { + .ctl_name = CTL_MAX_RESVPORT, + .procname = "max_resvport", + .data = &xprt_max_resvport, + .maxlen = sizeof(unsigned int), + .mode = 0644, + .proc_handler = &proc_dointvec_minmax, + .strategy = &sysctl_intvec, + .extra1 = &xprt_min_resvport_limit, + .extra2 = &xprt_max_resvport_limit + }, + { + .ctl_name = 0, + }, +}; + +static ctl_table sunrpc_table[] = { + { + .ctl_name = CTL_SUNRPC, + .procname = "sunrpc", + .mode = 0555, + .child = xs_tunables_table + }, + { + .ctl_name = 0, + }, +}; + +#endif + +/* * How many times to try sending a request on a socket before waiting * for the socket buffer to clear. */ @@ -1504,19 +1590,34 @@ struct rpc_xprt *xs_setup_tcp(struct sockaddr *addr, size_t addrlen, struct rpc_ } /** - * init_socket_xprt - stub + * init_socket_xprt - set up xprtsock's sysctls * */ int init_socket_xprt(void) { +#ifdef RPC_DEBUG + if (!sunrpc_table_header) { + sunrpc_table_header = register_sysctl_table(sunrpc_table, 1); +#ifdef CONFIG_PROC_FS + if (sunrpc_table[0].de) + sunrpc_table[0].de->owner = THIS_MODULE; +#endif + } +#endif + return 0; } /** - * cleanup_socket_xprt - stub + * cleanup_socket_xprt - remove xprtsock's sysctls * */ void cleanup_socket_xprt(void) { - return; +#ifdef RPC_DEBUG + if (sunrpc_table_header) { + unregister_sysctl_table(sunrpc_table_header); + sunrpc_table_header = NULL; + } +#endif } |