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Merge branch 'nfs-for-3.2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

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* '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
  ...
This commit is contained in:
Linus Torvalds
2011-10-25 15:44:06 +02:00
parent 1442d1678c 940aab4902
commit ef78cc75f1
27 changed files with 238 additions and 309 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
net/sunrpc/addr.c
View File

@@ -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.

24
net/sunrpc/auth_gss/auth_gss.c
View File

@@ -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,

4
net/sunrpc/clnt.c
View File

@@ -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);

20
net/sunrpc/rpc_pipe.c
View File

@@ -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

6
net/sunrpc/rpcb_clnt.c
View File

@@ -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: