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OpenCloudOS-Kernel
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Merge branch 'devel' into linux-next

This commit is contained in:
Trond Myklebust 2009-12-03 21:27:36 -05:00
parent 0b08b07507 44ed3556ba
commit 7285f2d2ff
12 changed files with 261 additions and 114 deletions
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12
fs/nfs/callback.c
View File

@ -78,11 +78,6 @@ nfs4_callback_svc(void *vrqstp)
set_freezable();
/*
* FIXME: do we really need to run this under the BKL? If so, please
* add a comment about what it's intended to protect.
*/
lock_kernel();
while (!kthread_should_stop()) {
/*
* Listen for a request on the socket
@ -104,7 +99,6 @@ nfs4_callback_svc(void *vrqstp)
preverr = err;
svc_process(rqstp);
}
unlock_kernel();
return 0;
}
@ -160,11 +154,6 @@ nfs41_callback_svc(void *vrqstp)
set_freezable();
/*
* FIXME: do we really need to run this under the BKL? If so, please
* add a comment about what it's intended to protect.
*/
lock_kernel();
while (!kthread_should_stop()) {
prepare_to_wait(&serv->sv_cb_waitq, &wq, TASK_INTERRUPTIBLE);
spin_lock_bh(&serv->sv_cb_lock);
@ -183,7 +172,6 @@ nfs41_callback_svc(void *vrqstp)
}
finish_wait(&serv->sv_cb_waitq, &wq);
}
unlock_kernel();
return 0;
}

67
fs/nfs/dir.c
View File

@ -1579,55 +1579,46 @@ static int nfs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct dentry *dentry = NULL, *rehash = NULL;
int error = -EBUSY;
/*
* To prevent any new references to the target during the rename,
* we unhash the dentry and free the inode in advance.
*/
if (!d_unhashed(new_dentry)) {
d_drop(new_dentry);
rehash = new_dentry;
}
dfprintk(VFS, "NFS: rename(%s/%s -> %s/%s, ct=%d)\n",
old_dentry->d_parent->d_name.name, old_dentry->d_name.name,
new_dentry->d_parent->d_name.name, new_dentry->d_name.name,
atomic_read(&new_dentry->d_count));
/*
* First check whether the target is busy ... we can't
* safely do _any_ rename if the target is in use.
*
* For files, make a copy of the dentry and then do a
* silly-rename. If the silly-rename succeeds, the
* copied dentry is hashed and becomes the new target.
* For non-directories, check whether the target is busy and if so,
* make a copy of the dentry and then do a silly-rename. If the
* silly-rename succeeds, the copied dentry is hashed and becomes
* the new target.
*/
if (!new_inode)
goto go_ahead;
if (S_ISDIR(new_inode->i_mode)) {
error = -EISDIR;
if (!S_ISDIR(old_inode->i_mode))
goto out;
} else if (atomic_read(&new_dentry->d_count) > 2) {
int err;
/* copy the target dentry's name */
dentry = d_alloc(new_dentry->d_parent,
&new_dentry->d_name);
if (!dentry)
goto out;
if (new_inode && !S_ISDIR(new_inode->i_mode)) {
/*
* To prevent any new references to the target during the
* rename, we unhash the dentry in advance.
*/
if (!d_unhashed(new_dentry)) {
d_drop(new_dentry);
rehash = new_dentry;
}
/* silly-rename the existing target ... */
err = nfs_sillyrename(new_dir, new_dentry);
if (!err) {
new_dentry = rehash = dentry;
if (atomic_read(&new_dentry->d_count) > 2) {
int err;
/* copy the target dentry's name */
dentry = d_alloc(new_dentry->d_parent,
&new_dentry->d_name);
if (!dentry)
goto out;
/* silly-rename the existing target ... */
err = nfs_sillyrename(new_dir, new_dentry);
if (err)
goto out;
new_dentry = dentry;
new_inode = NULL;
/* instantiate the replacement target */
d_instantiate(new_dentry, NULL);
} else if (atomic_read(&new_dentry->d_count) > 1)
/* dentry still busy? */
goto out;
}
}
go_ahead:
/*
* ... prune child dentries and writebacks if needed.
*/

7
fs/nfs/nfs4proc.c
View File

@ -275,6 +275,13 @@ static int nfs4_handle_exception(const struct nfs_server *server, int errorcode,
/* FALLTHROUGH */
#endif /* !defined(CONFIG_NFS_V4_1) */
case -NFS4ERR_FILE_OPEN:
if (exception->timeout > HZ) {
/* We have retried a decent amount, time to
* fail
*/
ret = -EBUSY;
break;
}
case -NFS4ERR_GRACE:
case -NFS4ERR_DELAY:
ret = nfs4_delay(server->client, &exception->timeout);

8
fs/nfs/nfs4state.c
View File

@ -877,6 +877,10 @@ static int nfs4_reclaim_locks(struct nfs4_state *state, const struct nfs4_state_
case -NFS4ERR_EXPIRED:
case -NFS4ERR_NO_GRACE:
case -NFS4ERR_STALE_CLIENTID:
case -NFS4ERR_BADSESSION:
case -NFS4ERR_BADSLOT:
case -NFS4ERR_BAD_HIGH_SLOT:
case -NFS4ERR_CONN_NOT_BOUND_TO_SESSION:
goto out;
default:
printk(KERN_ERR "%s: unhandled error %d. Zeroing state\n",
@ -959,6 +963,10 @@ restart:
case -NFS4ERR_NO_GRACE:
nfs4_state_mark_reclaim_nograce(sp->so_client, state);
case -NFS4ERR_STALE_CLIENTID:
case -NFS4ERR_BADSESSION:
case -NFS4ERR_BADSLOT:
case -NFS4ERR_BAD_HIGH_SLOT:
case -NFS4ERR_CONN_NOT_BOUND_TO_SESSION:
goto out_err;
}
nfs4_put_open_state(state);

104
fs/nfs/super.c
View File

@ -175,14 +175,16 @@ static const match_table_t nfs_mount_option_tokens = {
};
enum {
Opt_xprt_udp, Opt_xprt_tcp, Opt_xprt_rdma,
Opt_xprt_udp, Opt_xprt_udp6, Opt_xprt_tcp, Opt_xprt_tcp6, Opt_xprt_rdma,
Opt_xprt_err
};
static const match_table_t nfs_xprt_protocol_tokens = {
{ Opt_xprt_udp, "udp" },
{ Opt_xprt_udp6, "udp6" },
{ Opt_xprt_tcp, "tcp" },
{ Opt_xprt_tcp6, "tcp6" },
{ Opt_xprt_rdma, "rdma" },
{ Opt_xprt_err, NULL }
@ -492,6 +494,45 @@ static const char *nfs_pseudoflavour_to_name(rpc_authflavor_t flavour)
return sec_flavours[i].str;
}
static void nfs_show_mountd_netid(struct seq_file *m, struct nfs_server *nfss,
int showdefaults)
{
struct sockaddr *sap = (struct sockaddr *) &nfss->mountd_address;
seq_printf(m, ",mountproto=");
switch (sap->sa_family) {
case AF_INET:
switch (nfss->mountd_protocol) {
case IPPROTO_UDP:
seq_printf(m, RPCBIND_NETID_UDP);
break;
case IPPROTO_TCP:
seq_printf(m, RPCBIND_NETID_TCP);
break;
default:
if (showdefaults)
seq_printf(m, "auto");
}
break;
case AF_INET6:
switch (nfss->mountd_protocol) {
case IPPROTO_UDP:
seq_printf(m, RPCBIND_NETID_UDP6);
break;
case IPPROTO_TCP:
seq_printf(m, RPCBIND_NETID_TCP6);
break;
default:
if (showdefaults)
seq_printf(m, "auto");
}
break;
default:
if (showdefaults)
seq_printf(m, "auto");
}
}
static void nfs_show_mountd_options(struct seq_file *m, struct nfs_server *nfss,
int showdefaults)
{
@ -505,7 +546,7 @@ static void nfs_show_mountd_options(struct seq_file *m, struct nfs_server *nfss,
}
case AF_INET6: {
struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sap;
seq_printf(m, ",mountaddr=%pI6", &sin6->sin6_addr);
seq_printf(m, ",mountaddr=%pI6c", &sin6->sin6_addr);
break;
}
default:
@ -518,17 +559,7 @@ static void nfs_show_mountd_options(struct seq_file *m, struct nfs_server *nfss,
if (nfss->mountd_port || showdefaults)
seq_printf(m, ",mountport=%u", nfss->mountd_port);
switch (nfss->mountd_protocol) {
case IPPROTO_UDP:
seq_printf(m, ",mountproto=udp");
break;
case IPPROTO_TCP:
seq_printf(m, ",mountproto=tcp");
break;
default:
if (showdefaults)
seq_printf(m, ",mountproto=auto");
}
nfs_show_mountd_netid(m, nfss, showdefaults);
}
/*
@ -578,7 +609,7 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss,
seq_puts(m, nfs_infop->nostr);
}
seq_printf(m, ",proto=%s",
rpc_peeraddr2str(nfss->client, RPC_DISPLAY_PROTO));
rpc_peeraddr2str(nfss->client, RPC_DISPLAY_NETID));
if (version == 4) {
if (nfss->port != NFS_PORT)
seq_printf(m, ",port=%u", nfss->port);
@ -714,8 +745,6 @@ static void nfs_umount_begin(struct super_block *sb)
struct nfs_server *server;
struct rpc_clnt *rpc;
lock_kernel();
server = NFS_SB(sb);
/* -EIO all pending I/O */
rpc = server->client_acl;
@ -724,8 +753,6 @@ static void nfs_umount_begin(struct super_block *sb)
rpc = server->client;
if (!IS_ERR(rpc))
rpc_killall_tasks(rpc);
unlock_kernel();
}
static struct nfs_parsed_mount_data *nfs_alloc_parsed_mount_data(unsigned int version)
@ -734,8 +761,6 @@ static struct nfs_parsed_mount_data *nfs_alloc_parsed_mount_data(unsigned int ve
data = kzalloc(sizeof(*data), GFP_KERNEL);
if (data) {
data->rsize = NFS_MAX_FILE_IO_SIZE;
data->wsize = NFS_MAX_FILE_IO_SIZE;
data->acregmin = NFS_DEF_ACREGMIN;
data->acregmax = NFS_DEF_ACREGMAX;
data->acdirmin = NFS_DEF_ACDIRMIN;
@ -887,6 +912,8 @@ static int nfs_parse_mount_options(char *raw,
{
char *p, *string, *secdata;
int rc, sloppy = 0, invalid_option = 0;
unsigned short protofamily = AF_UNSPEC;
unsigned short mountfamily = AF_UNSPEC;
if (!raw) {
dfprintk(MOUNT, "NFS: mount options string was NULL.\n");
@ -1232,12 +1259,17 @@ static int nfs_parse_mount_options(char *raw,
token = match_token(string,
nfs_xprt_protocol_tokens, args);
protofamily = AF_INET;
switch (token) {
case Opt_xprt_udp6:
protofamily = AF_INET6;
case Opt_xprt_udp:
mnt->flags &= ~NFS_MOUNT_TCP;
mnt->nfs_server.protocol = XPRT_TRANSPORT_UDP;
kfree(string);
break;
case Opt_xprt_tcp6:
protofamily = AF_INET6;
case Opt_xprt_tcp:
mnt->flags |= NFS_MOUNT_TCP;
mnt->nfs_server.protocol = XPRT_TRANSPORT_TCP;
@ -1265,10 +1297,15 @@ static int nfs_parse_mount_options(char *raw,
nfs_xprt_protocol_tokens, args);
kfree(string);
mountfamily = AF_INET;
switch (token) {
case Opt_xprt_udp6:
mountfamily = AF_INET6;
case Opt_xprt_udp:
mnt->mount_server.protocol = XPRT_TRANSPORT_UDP;
break;
case Opt_xprt_tcp6:
mountfamily = AF_INET6;
case Opt_xprt_tcp:
mnt->mount_server.protocol = XPRT_TRANSPORT_TCP;
break;
@ -1367,8 +1404,33 @@ static int nfs_parse_mount_options(char *raw,
if (!sloppy && invalid_option)
return 0;
/*
* verify that any proto=/mountproto= options match the address
* familiies in the addr=/mountaddr= options.
*/
if (protofamily != AF_UNSPEC &&
protofamily != mnt->nfs_server.address.ss_family)
goto out_proto_mismatch;
if (mountfamily != AF_UNSPEC) {
if (mnt->mount_server.addrlen) {
if (mountfamily != mnt->mount_server.address.ss_family)
goto out_mountproto_mismatch;
} else {
if (mountfamily != mnt->nfs_server.address.ss_family)
goto out_mountproto_mismatch;
}
}
return 1;
out_mountproto_mismatch:
printk(KERN_INFO "NFS: mount server address does not match mountproto= "
"option\n");
return 0;
out_proto_mismatch:
printk(KERN_INFO "NFS: server address does not match proto= option\n");
return 0;
out_invalid_address:
printk(KERN_INFO "NFS: bad IP address specified: %s\n", p);
return 0;
@ -1881,7 +1943,6 @@ nfs_remount(struct super_block *sb, int *flags, char *raw_data)
if (data == NULL)
return -ENOMEM;
lock_kernel();
/* fill out struct with values from existing mount */
data->flags = nfss->flags;
data->rsize = nfss->rsize;
@ -1907,7 +1968,6 @@ nfs_remount(struct super_block *sb, int *flags, char *raw_data)
error = nfs_compare_remount_data(nfss, data);
out:
kfree(data);
unlock_kernel();
return error;
}

2
include/linux/nfs_xdr.h
View File

@ -170,8 +170,8 @@ struct nfs4_sequence_args {
struct nfs4_sequence_res {
struct nfs4_session *sr_session;
u8 sr_slotid; /* slot used to send request */
unsigned long sr_renewal_time;
int sr_status; /* sequence operation status */
unsigned long sr_renewal_time;
};
struct nfs4_get_lease_time_args {

2
include/linux/sunrpc/sched.h
View File

@ -130,12 +130,14 @@ struct rpc_task_setup {
#define RPC_TASK_DYNAMIC 0x0080 /* task was kmalloc'ed */
#define RPC_TASK_KILLED 0x0100 /* task was killed */
#define RPC_TASK_SOFT 0x0200 /* Use soft timeouts */
#define RPC_TASK_SOFTCONN 0x0400 /* Fail if can't connect */
#define RPC_IS_ASYNC(t) ((t)->tk_flags & RPC_TASK_ASYNC)
#define RPC_IS_SWAPPER(t) ((t)->tk_flags & RPC_TASK_SWAPPER)
#define RPC_DO_ROOTOVERRIDE(t) ((t)->tk_flags & RPC_TASK_ROOTCREDS)
#define RPC_ASSASSINATED(t) ((t)->tk_flags & RPC_TASK_KILLED)
#define RPC_IS_SOFT(t) ((t)->tk_flags & RPC_TASK_SOFT)
#define RPC_IS_SOFTCONN(t) ((t)->tk_flags & RPC_TASK_SOFTCONN)
#define RPC_TASK_RUNNING 0
#define RPC_TASK_QUEUED 1

10
net/sunrpc/addr.c
View File

@ -55,16 +55,8 @@ static size_t rpc_ntop6_noscopeid(const struct sockaddr *sap,
/*
* RFC 4291, Section 2.2.1
*
* To keep the result as short as possible, especially
* since we don't shorthand, we don't want leading zeros
* in each halfword, so avoid %pI6.
*/
return snprintf(buf, buflen, "%x:%x:%x:%x:%x:%x:%x:%x",
ntohs(addr->s6_addr16[0]), ntohs(addr->s6_addr16[1]),
ntohs(addr->s6_addr16[2]), ntohs(addr->s6_addr16[3]),
ntohs(addr->s6_addr16[4]), ntohs(addr->s6_addr16[5]),
ntohs(addr->s6_addr16[6]), ntohs(addr->s6_addr16[7]));
return snprintf(buf, buflen, "%pI6c", addr);
}
static size_t rpc_ntop6(const struct sockaddr *sap,

54
net/sunrpc/clnt.c
View File

@ -79,7 +79,7 @@ static void call_connect_status(struct rpc_task *task);
static __be32 *rpc_encode_header(struct rpc_task *task);
static __be32 *rpc_verify_header(struct rpc_task *task);
static int rpc_ping(struct rpc_clnt *clnt, int flags);
static int rpc_ping(struct rpc_clnt *clnt);
static void rpc_register_client(struct rpc_clnt *clnt)
{
@ -340,7 +340,7 @@ struct rpc_clnt *rpc_create(struct rpc_create_args *args)
return clnt;
if (!(args->flags & RPC_CLNT_CREATE_NOPING)) {
int err = rpc_ping(clnt, RPC_TASK_SOFT);
int err = rpc_ping(clnt);
if (err != 0) {
rpc_shutdown_client(clnt);
return ERR_PTR(err);
@ -528,7 +528,7 @@ struct rpc_clnt *rpc_bind_new_program(struct rpc_clnt *old,
clnt->cl_prog = program->number;
clnt->cl_vers = version->number;
clnt->cl_stats = program->stats;
err = rpc_ping(clnt, RPC_TASK_SOFT);
err = rpc_ping(clnt);
if (err != 0) {
rpc_shutdown_client(clnt);
clnt = ERR_PTR(err);
@ -1060,7 +1060,7 @@ call_bind_status(struct rpc_task *task)
goto retry_timeout;
case -EPFNOSUPPORT:
/* server doesn't support any rpcbind version we know of */
dprintk("RPC: %5u remote rpcbind service unavailable\n",
dprintk("RPC: %5u unrecognized remote rpcbind service\n",
task->tk_pid);
break;
case -EPROTONOSUPPORT:
@ -1069,6 +1069,21 @@ call_bind_status(struct rpc_task *task)
task->tk_status = 0;
task->tk_action = call_bind;
return;
case -ECONNREFUSED: /* connection problems */
case -ECONNRESET:
case -ENOTCONN:
case -EHOSTDOWN:
case -EHOSTUNREACH:
case -ENETUNREACH:
case -EPIPE:
dprintk("RPC: %5u remote rpcbind unreachable: %d\n",
task->tk_pid, task->tk_status);
if (!RPC_IS_SOFTCONN(task)) {
rpc_delay(task, 5*HZ);
goto retry_timeout;
}
status = task->tk_status;
break;
default:
dprintk("RPC: %5u unrecognized rpcbind error (%d)\n",
task->tk_pid, -task->tk_status);
@ -1180,11 +1195,25 @@ static void
call_transmit_status(struct rpc_task *task)
{
task->tk_action = call_status;
/*
* Common case: success. Force the compiler to put this
* test first.
*/
if (task->tk_status == 0) {
xprt_end_transmit(task);
rpc_task_force_reencode(task);
return;
}
switch (task->tk_status) {
case -EAGAIN:
break;
default:
dprint_status(task);
xprt_end_transmit(task);
rpc_task_force_reencode(task);
break;
/*
* Special cases: if we've been waiting on the
* socket's write_space() callback, or if the
@ -1192,11 +1221,16 @@ call_transmit_status(struct rpc_task *task)
* then hold onto the transport lock.
*/
case -ECONNREFUSED:
case -ECONNRESET:
case -ENOTCONN:
case -EHOSTDOWN:
case -EHOSTUNREACH:
case -ENETUNREACH:
if (RPC_IS_SOFTCONN(task)) {
xprt_end_transmit(task);
rpc_exit(task, task->tk_status);
break;
}
case -ECONNRESET:
case -ENOTCONN:
case -EPIPE:
rpc_task_force_reencode(task);
}
@ -1346,6 +1380,10 @@ call_timeout(struct rpc_task *task)
dprintk("RPC: %5u call_timeout (major)\n", task->tk_pid);
task->tk_timeouts++;
if (RPC_IS_SOFTCONN(task)) {
rpc_exit(task, -ETIMEDOUT);
return;
}
if (RPC_IS_SOFT(task)) {
if (clnt->cl_chatty)
printk(KERN_NOTICE "%s: server %s not responding, timed out\n",
@ -1675,14 +1713,14 @@ static struct rpc_procinfo rpcproc_null = {
.p_decode = rpcproc_decode_null,
};
static int rpc_ping(struct rpc_clnt *clnt, int flags)
static int rpc_ping(struct rpc_clnt *clnt)
{
struct rpc_message msg = {
.rpc_proc = &rpcproc_null,
};
int err;
msg.rpc_cred = authnull_ops.lookup_cred(NULL, NULL, 0);
err = rpc_call_sync(clnt, &msg, flags);
err = rpc_call_sync(clnt, &msg, RPC_TASK_SOFT | RPC_TASK_SOFTCONN);
put_rpccred(msg.rpc_cred);
return err;
}

104
net/sunrpc/rpcb_clnt.c
View File

@ -20,6 +20,7 @@
#include <linux/in6.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/mutex.h>
#include <net/ipv6.h>
#include <linux/sunrpc/clnt.h>
@ -110,6 +111,9 @@ static void rpcb_getport_done(struct rpc_task *, void *);
static void rpcb_map_release(void *data);
static struct rpc_program rpcb_program;
static struct rpc_clnt * rpcb_local_clnt;
static struct rpc_clnt * rpcb_local_clnt4;
struct rpcbind_args {
struct rpc_xprt * r_xprt;
@ -163,21 +167,60 @@ static const struct sockaddr_in rpcb_inaddr_loopback = {
.sin_port = htons(RPCBIND_PORT),
};
static struct rpc_clnt *rpcb_create_local(struct sockaddr *addr,
size_t addrlen, u32 version)
static DEFINE_MUTEX(rpcb_create_local_mutex);
/*
* Returns zero on success, otherwise a negative errno value
* is returned.
*/
static int rpcb_create_local(void)
{
struct rpc_create_args args = {
.protocol = XPRT_TRANSPORT_UDP,
.address = addr,
.addrsize = addrlen,
.protocol = XPRT_TRANSPORT_TCP,
.address = (struct sockaddr *)&rpcb_inaddr_loopback,
.addrsize = sizeof(rpcb_inaddr_loopback),
.servername = "localhost",
.program = &rpcb_program,
.version = version,
.version = RPCBVERS_2,
.authflavor = RPC_AUTH_UNIX,
.flags = RPC_CLNT_CREATE_NOPING,
};
struct rpc_clnt *clnt, *clnt4;
int result = 0;
return rpc_create(&args);
if (rpcb_local_clnt)
return result;
mutex_lock(&rpcb_create_local_mutex);
if (rpcb_local_clnt)
goto out;
clnt = rpc_create(&args);
if (IS_ERR(clnt)) {
dprintk("RPC: failed to create local rpcbind "
"client (errno %ld).\n", PTR_ERR(clnt));
result = -PTR_ERR(clnt);
goto out;
}
/*
* This results in an RPC ping. On systems running portmapper,
* the v4 ping will fail. Proceed anyway, but disallow rpcb
* v4 upcalls.
*/
clnt4 = rpc_bind_new_program(clnt, &rpcb_program, RPCBVERS_4);
if (IS_ERR(clnt4)) {
dprintk("RPC: failed to create local rpcbind v4 "
"cleint (errno %ld).\n", PTR_ERR(clnt4));
clnt4 = NULL;
}
rpcb_local_clnt = clnt;
rpcb_local_clnt4 = clnt4;
out:
mutex_unlock(&rpcb_create_local_mutex);
return result;
}
static struct rpc_clnt *rpcb_create(char *hostname, struct sockaddr *srvaddr,
@ -209,22 +252,13 @@ static struct rpc_clnt *rpcb_create(char *hostname, struct sockaddr *srvaddr,
return rpc_create(&args);
}
static int rpcb_register_call(const u32 version, struct rpc_message *msg)
static int rpcb_register_call(struct rpc_clnt *clnt, struct rpc_message *msg)
{
struct sockaddr *addr = (struct sockaddr *)&rpcb_inaddr_loopback;
size_t addrlen = sizeof(rpcb_inaddr_loopback);
struct rpc_clnt *rpcb_clnt;
int result, error = 0;
msg->rpc_resp = &result;
rpcb_clnt = rpcb_create_local(addr, addrlen, version);
if (!IS_ERR(rpcb_clnt)) {
error = rpc_call_sync(rpcb_clnt, msg, 0);
rpc_shutdown_client(rpcb_clnt);
} else
error = PTR_ERR(rpcb_clnt);
error = rpc_call_sync(clnt, msg, RPC_TASK_SOFTCONN);
if (error < 0) {
dprintk("RPC: failed to contact local rpcbind "
"server (errno %d).\n", -error);
@ -279,6 +313,11 @@ int rpcb_register(u32 prog, u32 vers, int prot, unsigned short port)
struct rpc_message msg = {
.rpc_argp = &map,
};
int error;
error = rpcb_create_local();
if (error)
return error;
dprintk("RPC: %sregistering (%u, %u, %d, %u) with local "
"rpcbind\n", (port ? "" : "un"),
@ -288,7 +327,7 @@ int rpcb_register(u32 prog, u32 vers, int prot, unsigned short port)
if (port)
msg.rpc_proc = &rpcb_procedures2[RPCBPROC_SET];
return rpcb_register_call(RPCBVERS_2, &msg);
return rpcb_register_call(rpcb_local_clnt, &msg);
}
/*
@ -313,7 +352,7 @@ static int rpcb_register_inet4(const struct sockaddr *sap,
if (port)
msg->rpc_proc = &rpcb_procedures4[RPCBPROC_SET];
result = rpcb_register_call(RPCBVERS_4, msg);
result = rpcb_register_call(rpcb_local_clnt4, msg);
kfree(map->r_addr);
return result;
}
@ -340,7 +379,7 @@ static int rpcb_register_inet6(const struct sockaddr *sap,
if (port)
msg->rpc_proc = &rpcb_procedures4[RPCBPROC_SET];
result = rpcb_register_call(RPCBVERS_4, msg);
result = rpcb_register_call(rpcb_local_clnt4, msg);
kfree(map->r_addr);
return result;
}
@ -356,7 +395,7 @@ static int rpcb_unregister_all_protofamilies(struct rpc_message *msg)
map->r_addr = "";
msg->rpc_proc = &rpcb_procedures4[RPCBPROC_UNSET];
return rpcb_register_call(RPCBVERS_4, msg);
return rpcb_register_call(rpcb_local_clnt4, msg);
}
/**
@ -414,6 +453,13 @@ int rpcb_v4_register(const u32 program, const u32 version,
struct rpc_message msg = {
.rpc_argp = &map,
};
int error;
error = rpcb_create_local();
if (error)
return error;
if (rpcb_local_clnt4 == NULL)
return -EPROTONOSUPPORT;
if (address == NULL)
return rpcb_unregister_all_protofamilies(&msg);
@ -491,7 +537,7 @@ static struct rpc_task *rpcb_call_async(struct rpc_clnt *rpcb_clnt, struct rpcbi
.rpc_message = &msg,
.callback_ops = &rpcb_getport_ops,
.callback_data = map,
.flags = RPC_TASK_ASYNC,
.flags = RPC_TASK_ASYNC | RPC_TASK_SOFTCONN,
};
return rpc_run_task(&task_setup_data);
@ -1027,3 +1073,15 @@ static struct rpc_program rpcb_program = {
.version = rpcb_version,
.stats = &rpcb_stats,
};
/**
* cleanup_rpcb_clnt - remove xprtsock's sysctls, unregister
*
*/
void cleanup_rpcb_clnt(void)
{
if (rpcb_local_clnt4)
rpc_shutdown_client(rpcb_local_clnt4);
if (rpcb_local_clnt)
rpc_shutdown_client(rpcb_local_clnt);
}

3
net/sunrpc/sunrpc_syms.c
View File

@ -24,6 +24,8 @@
extern struct cache_detail ip_map_cache, unix_gid_cache;
extern void cleanup_rpcb_clnt(void);
static int __init
init_sunrpc(void)
{
@ -53,6 +55,7 @@ out:
static void __exit
cleanup_sunrpc(void)
{
cleanup_rpcb_clnt();
rpcauth_remove_module();
cleanup_socket_xprt();
svc_cleanup_xprt_sock();

2
net/sunrpc/xprtsock.c
View File

@ -2033,7 +2033,7 @@ static void xs_connect(struct rpc_task *task)
if (xprt_test_and_set_connecting(xprt))
return;
if (transport->sock != NULL) {
if (transport->sock != NULL && !RPC_IS_SOFTCONN(task)) {
dprintk("RPC: xs_connect delayed xprt %p for %lu "
"seconds\n",
xprt, xprt->reestablish_timeout / HZ);