From c1225158a8dad9e9d5eee8a17dbbd9c7cda05ab9 Mon Sep 17 00:00:00 2001 From: Peng Tao Date: Thu, 22 Sep 2011 21:50:10 -0400 Subject: SUNRPC/NFS: make rpc pipe upcall generic The same function is used by idmap, gss and blocklayout code. Make it generic. Signed-off-by: Peng Tao Signed-off-by: Jim Rees Cc: stable@kernel.org [3.0] Signed-off-by: Trond Myklebust --- include/linux/sunrpc/rpc_pipe_fs.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux/sunrpc') diff --git a/include/linux/sunrpc/rpc_pipe_fs.h b/include/linux/sunrpc/rpc_pipe_fs.h index cf14db975da0..e4ea43058d8f 100644 --- a/include/linux/sunrpc/rpc_pipe_fs.h +++ b/include/linux/sunrpc/rpc_pipe_fs.h @@ -44,6 +44,8 @@ RPC_I(struct inode *inode) return container_of(inode, struct rpc_inode, vfs_inode); } +extern ssize_t rpc_pipe_generic_upcall(struct file *, struct rpc_pipe_msg *, + char __user *, size_t); extern int rpc_queue_upcall(struct inode *, struct rpc_pipe_msg *); struct rpc_clnt; -- cgit v1.3-18-gd494 From d77385f23830ee6c400569bac8b37e6eb3b7d360 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Mon, 17 Oct 2011 16:08:10 -0700 Subject: SUNRPC: Fix rpc_sockaddr2uaddr rpc_sockaddr2uaddr is only used by net/sunrpc/rpcb_clnt.c, where it is used in a non-blockable context in at least one case. Add non-blocking capability by adding a gfp_t argument Signed-off-by: Trond Myklebust --- include/linux/sunrpc/clnt.h | 3 ++- net/sunrpc/addr.c | 5 +++-- net/sunrpc/rpcb_clnt.c | 6 +++--- 3 files changed, 8 insertions(+), 6 deletions(-) (limited to 'include/linux/sunrpc') diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h index db7bcaf7c5bd..d926fd1a5313 100644 --- a/include/linux/sunrpc/clnt.h +++ b/include/linux/sunrpc/clnt.h @@ -9,6 +9,7 @@ #ifndef _LINUX_SUNRPC_CLNT_H #define _LINUX_SUNRPC_CLNT_H +#include #include #include #include @@ -161,7 +162,7 @@ const char *rpc_peeraddr2str(struct rpc_clnt *, enum rpc_display_format_t); size_t rpc_ntop(const struct sockaddr *, char *, const size_t); size_t rpc_pton(const char *, const size_t, struct sockaddr *, const size_t); -char * rpc_sockaddr2uaddr(const struct sockaddr *); +char * rpc_sockaddr2uaddr(const struct sockaddr *, gfp_t); size_t rpc_uaddr2sockaddr(const char *, const size_t, struct sockaddr *, const size_t); diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c index 4195233c4914..23cd19d45ab3 100644 --- a/net/sunrpc/addr.c +++ b/net/sunrpc/addr.c @@ -255,12 +255,13 @@ EXPORT_SYMBOL_GPL(rpc_pton); /** * rpc_sockaddr2uaddr - Construct a universal address string from @sap. * @sap: socket address + * @gfp_flags: allocation mode * * Returns a %NUL-terminated string in dynamically allocated memory; * otherwise NULL is returned if an error occurred. Caller must * free the returned string. */ -char *rpc_sockaddr2uaddr(const struct sockaddr *sap) +char *rpc_sockaddr2uaddr(const struct sockaddr *sap, gfp_t gfp_flags) { char portbuf[RPCBIND_MAXUADDRPLEN]; char addrbuf[RPCBIND_MAXUADDRLEN]; @@ -288,7 +289,7 @@ char *rpc_sockaddr2uaddr(const struct sockaddr *sap) if (strlcat(addrbuf, portbuf, sizeof(addrbuf)) > sizeof(addrbuf)) return NULL; - return kstrdup(addrbuf, GFP_KERNEL); + return kstrdup(addrbuf, gfp_flags); } EXPORT_SYMBOL_GPL(rpc_sockaddr2uaddr); diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c index e45d2fbbe5a8..f588b852d41c 100644 --- a/net/sunrpc/rpcb_clnt.c +++ b/net/sunrpc/rpcb_clnt.c @@ -410,7 +410,7 @@ static int rpcb_register_inet4(const struct sockaddr *sap, unsigned short port = ntohs(sin->sin_port); int result; - map->r_addr = rpc_sockaddr2uaddr(sap); + map->r_addr = rpc_sockaddr2uaddr(sap, GFP_KERNEL); dprintk("RPC: %sregistering [%u, %u, %s, '%s'] with " "local rpcbind\n", (port ? "" : "un"), @@ -437,7 +437,7 @@ static int rpcb_register_inet6(const struct sockaddr *sap, unsigned short port = ntohs(sin6->sin6_port); int result; - map->r_addr = rpc_sockaddr2uaddr(sap); + map->r_addr = rpc_sockaddr2uaddr(sap, GFP_KERNEL); dprintk("RPC: %sregistering [%u, %u, %s, '%s'] with " "local rpcbind\n", (port ? "" : "un"), @@ -686,7 +686,7 @@ void rpcb_getport_async(struct rpc_task *task) case RPCBVERS_4: case RPCBVERS_3: map->r_netid = rpc_peeraddr2str(clnt, RPC_DISPLAY_NETID); - map->r_addr = rpc_sockaddr2uaddr(sap); + map->r_addr = rpc_sockaddr2uaddr(sap, GFP_ATOMIC); map->r_owner = ""; break; case RPCBVERS_2: -- cgit v1.3-18-gd494