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authorLinus Torvalds <torvalds@linux-foundation.org>2011-10-25 15:44:06 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-25 15:44:06 +0200
commitef78cc75f11ba3b085b105209cbfc6666ee10499 (patch)
tree1820dbd8ebb422b0a5751981cdfb6a2ecd30e20b /net
parent1442d1678ca7e53574fd403ba7bee6f4125d920c (diff)
parent940aab490215424a269f93d2eba2794fc8b3e269 (diff)
Merge branch 'nfs-for-3.2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
* 'nfs-for-3.2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (26 commits) Check validity of cl_rpcclient in nfs_server_list_show NFS: Get rid of the nfs_rdata_mempool NFS: Don't rely on PageError in nfs_readpage_release_partial NFS: Get rid of unnecessary calls to ClearPageError() in read code NFS: Get rid of nfs_restart_rpc() NFS: Get rid of the unused nfs_write_data->flags field NFS: Get rid of the unused nfs_read_data->flags field NFSv4: Translate NFS4ERR_BADNAME into ENOENT when applied to a lookup NFS: Remove the unused "lookupfh()" version of nfs4_proc_lookup() NFS: Use the inode->i_version to cache NFSv4 change attribute information SUNRPC: Remove unnecessary export of rpc_sockaddr2uaddr SUNRPC: Fix rpc_sockaddr2uaddr nfs/super.c: local functions should be static pnfsblock: fix writeback deadlock pnfsblock: fix NULL pointer dereference pnfs: recoalesce when ld read pagelist fails pnfs: recoalesce when ld write pagelist fails pnfs: make _set_lo_fail generic pnfsblock: add missing rpc_put_mount and path_put SUNRPC/NFS: make rpc pipe upcall generic ...
Diffstat (limited to 'net')
-rw-r--r--net/sunrpc/addr.c6
-rw-r--r--net/sunrpc/auth_gss/auth_gss.c24
-rw-r--r--net/sunrpc/clnt.c4
-rw-r--r--net/sunrpc/rpc_pipe.c20
-rw-r--r--net/sunrpc/rpcb_clnt.c6
5 files changed, 31 insertions, 29 deletions
diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c
index 4195233c4914..4548757c9871 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];
@@ -288,9 +289,8 @@ 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);
/**
* rpc_uaddr2sockaddr - convert a universal address to a socket address.
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index d4132754cbe1..afb56553dfe7 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -603,26 +603,6 @@ out:
return err;
}
-static ssize_t
-gss_pipe_upcall(struct file *filp, struct rpc_pipe_msg *msg,
- char __user *dst, size_t buflen)
-{
- char *data = (char *)msg->data + msg->copied;
- size_t mlen = min(msg->len, buflen);
- unsigned long left;
-
- left = copy_to_user(dst, data, mlen);
- if (left == mlen) {
- msg->errno = -EFAULT;
- return -EFAULT;
- }
-
- mlen -= left;
- msg->copied += mlen;
- msg->errno = 0;
- return mlen;
-}
-
#define MSG_BUF_MAXSIZE 1024
static ssize_t
@@ -1590,7 +1570,7 @@ static const struct rpc_credops gss_nullops = {
};
static const struct rpc_pipe_ops gss_upcall_ops_v0 = {
- .upcall = gss_pipe_upcall,
+ .upcall = rpc_pipe_generic_upcall,
.downcall = gss_pipe_downcall,
.destroy_msg = gss_pipe_destroy_msg,
.open_pipe = gss_pipe_open_v0,
@@ -1598,7 +1578,7 @@ static const struct rpc_pipe_ops gss_upcall_ops_v0 = {
};
static const struct rpc_pipe_ops gss_upcall_ops_v1 = {
- .upcall = gss_pipe_upcall,
+ .upcall = rpc_pipe_generic_upcall,
.downcall = gss_pipe_downcall,
.destroy_msg = gss_pipe_destroy_msg,
.open_pipe = gss_pipe_open_v1,
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index c5347d29cfb7..f0268ea7e711 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -850,7 +850,9 @@ rpc_restart_call_prepare(struct rpc_task *task)
{
if (RPC_ASSASSINATED(task))
return 0;
- task->tk_action = rpc_prepare_task;
+ task->tk_action = call_start;
+ if (task->tk_ops->rpc_call_prepare != NULL)
+ task->tk_action = rpc_prepare_task;
return 1;
}
EXPORT_SYMBOL_GPL(rpc_restart_call_prepare);
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 3156ba864519..bfddd68b31d3 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -77,6 +77,26 @@ rpc_timeout_upcall_queue(struct work_struct *work)
rpc_purge_list(rpci, &free_list, destroy_msg, -ETIMEDOUT);
}
+ssize_t rpc_pipe_generic_upcall(struct file *filp, struct rpc_pipe_msg *msg,
+ char __user *dst, size_t buflen)
+{
+ char *data = (char *)msg->data + msg->copied;
+ size_t mlen = min(msg->len - msg->copied, buflen);
+ unsigned long left;
+
+ left = copy_to_user(dst, data, mlen);
+ if (left == mlen) {
+ msg->errno = -EFAULT;
+ return -EFAULT;
+ }
+
+ mlen -= left;
+ msg->copied += mlen;
+ msg->errno = 0;
+ return mlen;
+}
+EXPORT_SYMBOL_GPL(rpc_pipe_generic_upcall);
+
/**
* rpc_queue_upcall - queue an upcall message to userspace
* @inode: inode of upcall pipe on which to queue given message
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: