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Diffstat (limited to 'net')
-rw-r--r--net/9p/Kconfig8
-rw-r--r--net/9p/client.c30
-rw-r--r--net/9p/mod.c4
-rw-r--r--net/9p/trans_fd.c7
-rw-r--r--net/9p/util.c2
-rw-r--r--net/ceph/messenger.c82
-rw-r--r--net/ceph/osd_client.c19
-rw-r--r--net/ceph/osdmap.c13
-rw-r--r--net/dns_resolver/dns_key.c10
-rw-r--r--net/sunrpc/auth.c4
10 files changed, 126 insertions, 53 deletions
diff --git a/net/9p/Kconfig b/net/9p/Kconfig
index 7ed75c7bd5d1..d9ea09b11cf8 100644
--- a/net/9p/Kconfig
+++ b/net/9p/Kconfig
@@ -3,8 +3,8 @@
#
menuconfig NET_9P
- depends on NET && EXPERIMENTAL
- tristate "Plan 9 Resource Sharing Support (9P2000) (Experimental)"
+ depends on NET
+ tristate "Plan 9 Resource Sharing Support (9P2000)"
help
If you say Y here, you will get experimental support for
Plan 9 resource sharing via the 9P2000 protocol.
@@ -16,8 +16,8 @@ menuconfig NET_9P
if NET_9P
config NET_9P_VIRTIO
- depends on EXPERIMENTAL && VIRTIO
- tristate "9P Virtio Transport (Experimental)"
+ depends on VIRTIO
+ tristate "9P Virtio Transport"
help
This builds support for a transports between
guest partitions and a host partition.
diff --git a/net/9p/client.c b/net/9p/client.c
index ceab943dfc49..9e3b0e640da1 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -92,9 +92,6 @@ static int get_protocol_version(const substring_t *name)
return version;
}
-static struct p9_req_t *
-p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...);
-
/**
* parse_options - parse mount options into client structure
* @opts: options string passed from mount
@@ -307,12 +304,13 @@ static int p9_tag_init(struct p9_client *c)
c->tagpool = p9_idpool_create();
if (IS_ERR(c->tagpool)) {
err = PTR_ERR(c->tagpool);
- c->tagpool = NULL;
goto error;
}
-
- p9_idpool_get(c->tagpool); /* reserve tag 0 */
-
+ err = p9_idpool_get(c->tagpool); /* reserve tag 0 */
+ if (err < 0) {
+ p9_idpool_destroy(c->tagpool);
+ goto error;
+ }
c->max_tag = 0;
error:
return err;
@@ -518,12 +516,15 @@ out_err:
return err;
}
+static struct p9_req_t *
+p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...);
+
/**
* p9_client_flush - flush (cancel) a request
* @c: client state
* @oldreq: request to cancel
*
- * This sents a flush for a particular requests and links
+ * This sents a flush for a particular request and links
* the flush request to the original request. The current
* code only supports a single flush request although the protocol
* allows for multiple flush requests to be sent for a single request.
@@ -789,11 +790,13 @@ struct p9_client *p9_client_create(const char *dev_name, char *options)
spin_lock_init(&clnt->lock);
INIT_LIST_HEAD(&clnt->fidlist);
- p9_tag_init(clnt);
+ err = p9_tag_init(clnt);
+ if (err < 0)
+ goto free_client;
err = parse_opts(options, clnt);
if (err < 0)
- goto free_client;
+ goto destroy_tagpool;
if (!clnt->trans_mod)
clnt->trans_mod = v9fs_get_default_trans();
@@ -802,13 +805,12 @@ struct p9_client *p9_client_create(const char *dev_name, char *options)
err = -EPROTONOSUPPORT;
P9_DPRINTK(P9_DEBUG_ERROR,
"No transport defined or default transport\n");
- goto free_client;
+ goto destroy_tagpool;
}
clnt->fidpool = p9_idpool_create();
if (IS_ERR(clnt->fidpool)) {
err = PTR_ERR(clnt->fidpool);
- clnt->fidpool = NULL;
goto put_trans;
}
@@ -834,6 +836,8 @@ destroy_fidpool:
p9_idpool_destroy(clnt->fidpool);
put_trans:
v9fs_put_trans(clnt->trans_mod);
+destroy_tagpool:
+ p9_idpool_destroy(clnt->tagpool);
free_client:
kfree(clnt);
return ERR_PTR(err);
@@ -1298,7 +1302,7 @@ p9_client_read(struct p9_fid *fid, char *data, char __user *udata, u64 offset,
if (count < rsize)
rsize = count;
- /* Don't bother zerocopy form small IO (< 1024) */
+ /* Don't bother zerocopy for small IO (< 1024) */
if (((clnt->trans_mod->pref & P9_TRANS_PREF_PAYLOAD_MASK) ==
P9_TRANS_PREF_PAYLOAD_SEP) && (rsize > 1024)) {
req = p9_client_rpc(clnt, P9_TREAD, "dqE", fid->fid, offset,
diff --git a/net/9p/mod.c b/net/9p/mod.c
index cf8a4128cd5c..72c398275051 100644
--- a/net/9p/mod.c
+++ b/net/9p/mod.c
@@ -139,7 +139,7 @@ void v9fs_put_trans(struct p9_trans_module *m)
}
/**
- * v9fs_init - Initialize module
+ * init_p9 - Initialize module
*
*/
static int __init init_p9(void)
@@ -154,7 +154,7 @@ static int __init init_p9(void)
}
/**
- * v9fs_init - shutdown module
+ * exit_p9 - shutdown module
*
*/
diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index 4a9084395d35..fdfdb5747f63 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -916,8 +916,8 @@ p9_fd_create_tcp(struct p9_client *client, const char *addr, char *args)
sin_server.sin_family = AF_INET;
sin_server.sin_addr.s_addr = in_aton(addr);
sin_server.sin_port = htons(opts.port);
- err = sock_create_kern(PF_INET, SOCK_STREAM, IPPROTO_TCP, &csocket);
-
+ err = __sock_create(read_pnet(&current->nsproxy->net_ns), PF_INET,
+ SOCK_STREAM, IPPROTO_TCP, &csocket, 1);
if (err) {
P9_EPRINTK(KERN_ERR, "p9_trans_tcp: problem creating socket\n");
return err;
@@ -954,7 +954,8 @@ p9_fd_create_unix(struct p9_client *client, const char *addr, char *args)
sun_server.sun_family = PF_UNIX;
strcpy(sun_server.sun_path, addr);
- err = sock_create_kern(PF_UNIX, SOCK_STREAM, 0, &csocket);
+ err = __sock_create(read_pnet(&current->nsproxy->net_ns), PF_UNIX,
+ SOCK_STREAM, 0, &csocket, 1);
if (err < 0) {
P9_EPRINTK(KERN_ERR, "p9_trans_unix: problem creating socket\n");
return err;
diff --git a/net/9p/util.c b/net/9p/util.c
index da6af81e59d9..9c1c9348ac35 100644
--- a/net/9p/util.c
+++ b/net/9p/util.c
@@ -93,7 +93,7 @@ int p9_idpool_get(struct p9_idpool *p)
retry:
if (idr_pre_get(&p->pool, GFP_NOFS) == 0)
- return 0;
+ return -1;
spin_lock_irqsave(&p->lock, flags);
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index e15a82ccc05f..78b55f49de7c 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -76,7 +76,8 @@ const char *ceph_pr_addr(const struct sockaddr_storage *ss)
break;
default:
- sprintf(s, "(unknown sockaddr family %d)", (int)ss->ss_family);
+ snprintf(s, MAX_ADDR_STR_LEN, "(unknown sockaddr family %d)",
+ (int)ss->ss_family);
}
return s;
@@ -598,7 +599,7 @@ static void prepare_write_keepalive(struct ceph_connection *con)
* Connection negotiation.
*/
-static void prepare_connect_authorizer(struct ceph_connection *con)
+static int prepare_connect_authorizer(struct ceph_connection *con)
{
void *auth_buf;
int auth_len = 0;
@@ -612,13 +613,20 @@ static void prepare_connect_authorizer(struct ceph_connection *con)
con->auth_retry);
mutex_lock(&con->mutex);
+ if (test_bit(CLOSED, &con->state) ||
+ test_bit(OPENING, &con->state))
+ return -EAGAIN;
+
con->out_connect.authorizer_protocol = cpu_to_le32(auth_protocol);
con->out_connect.authorizer_len = cpu_to_le32(auth_len);
- con->out_kvec[con->out_kvec_left].iov_base = auth_buf;
- con->out_kvec[con->out_kvec_left].iov_len = auth_len;
- con->out_kvec_left++;
- con->out_kvec_bytes += auth_len;
+ if (auth_len) {
+ con->out_kvec[con->out_kvec_left].iov_base = auth_buf;
+ con->out_kvec[con->out_kvec_left].iov_len = auth_len;
+ con->out_kvec_left++;
+ con->out_kvec_bytes += auth_len;
+ }
+ return 0;
}
/*
@@ -640,9 +648,9 @@ static void prepare_write_banner(struct ceph_messenger *msgr,
set_bit(WRITE_PENDING, &con->state);
}
-static void prepare_write_connect(struct ceph_messenger *msgr,
- struct ceph_connection *con,
- int after_banner)
+static int prepare_write_connect(struct ceph_messenger *msgr,
+ struct ceph_connection *con,
+ int after_banner)
{
unsigned global_seq = get_global_seq(con->msgr, 0);
int proto;
@@ -683,7 +691,7 @@ static void prepare_write_connect(struct ceph_messenger *msgr,
con->out_more = 0;
set_bit(WRITE_PENDING, &con->state);
- prepare_connect_authorizer(con);
+ return prepare_connect_authorizer(con);
}
@@ -1065,8 +1073,10 @@ static void addr_set_port(struct sockaddr_storage *ss, int p)
switch (ss->ss_family) {
case AF_INET:
((struct sockaddr_in *)ss)->sin_port = htons(p);
+ break;
case AF_INET6:
((struct sockaddr_in6 *)ss)->sin6_port = htons(p);
+ break;
}
}
@@ -1216,6 +1226,7 @@ static int process_connect(struct ceph_connection *con)
u64 sup_feat = con->msgr->supported_features;
u64 req_feat = con->msgr->required_features;
u64 server_feat = le64_to_cpu(con->in_reply.features);
+ int ret;
dout("process_connect on %p tag %d\n", con, (int)con->in_tag);
@@ -1250,7 +1261,9 @@ static int process_connect(struct ceph_connection *con)
return -1;
}
con->auth_retry = 1;
- prepare_write_connect(con->msgr, con, 0);
+ ret = prepare_write_connect(con->msgr, con, 0);
+ if (ret < 0)
+ return ret;
prepare_read_connect(con);
break;
@@ -1277,6 +1290,9 @@ static int process_connect(struct ceph_connection *con)
if (con->ops->peer_reset)
con->ops->peer_reset(con);
mutex_lock(&con->mutex);
+ if (test_bit(CLOSED, &con->state) ||
+ test_bit(OPENING, &con->state))
+ return -EAGAIN;
break;
case CEPH_MSGR_TAG_RETRY_SESSION:
@@ -1341,7 +1357,9 @@ static int process_connect(struct ceph_connection *con)
* to WAIT. This shouldn't happen if we are the
* client.
*/
- pr_err("process_connect peer connecting WAIT\n");
+ pr_err("process_connect got WAIT as client\n");
+ con->error_msg = "protocol error, got WAIT as client";
+ return -1;
default:
pr_err("connect protocol error, will retry\n");
@@ -1810,6 +1828,17 @@ static int try_read(struct ceph_connection *con)
more:
dout("try_read tag %d in_base_pos %d\n", (int)con->in_tag,
con->in_base_pos);
+
+ /*
+ * process_connect and process_message drop and re-take
+ * con->mutex. make sure we handle a racing close or reopen.
+ */
+ if (test_bit(CLOSED, &con->state) ||
+ test_bit(OPENING, &con->state)) {
+ ret = -EAGAIN;
+ goto out;
+ }
+
if (test_bit(CONNECTING, &con->state)) {
if (!test_bit(NEGOTIATING, &con->state)) {
dout("try_read connecting\n");
@@ -1938,8 +1967,10 @@ static void con_work(struct work_struct *work)
{
struct ceph_connection *con = container_of(work, struct ceph_connection,
work.work);
+ int ret;
mutex_lock(&con->mutex);
+restart:
if (test_and_clear_bit(BACKOFF, &con->state)) {
dout("con_work %p backing off\n", con);
if (queue_delayed_work(ceph_msgr_wq, &con->work,
@@ -1969,18 +2000,31 @@ static void con_work(struct work_struct *work)
con_close_socket(con);
}
- if (test_and_clear_bit(SOCK_CLOSED, &con->state) ||
- try_read(con) < 0 ||
- try_write(con) < 0) {
- mutex_unlock(&con->mutex);
- ceph_fault(con); /* error/fault path */
- goto done_unlocked;
- }
+ if (test_and_clear_bit(SOCK_CLOSED, &con->state))
+ goto fault;
+
+ ret = try_read(con);
+ if (ret == -EAGAIN)
+ goto restart;
+ if (ret < 0)
+ goto fault;
+
+ ret = try_write(con);
+ if (ret == -EAGAIN)
+ goto restart;
+ if (ret < 0)
+ goto fault;
done:
mutex_unlock(&con->mutex);
done_unlocked:
con->ops->put(con);
+ return;
+
+fault:
+ mutex_unlock(&con->mutex);
+ ceph_fault(con); /* error/fault path */
+ goto done_unlocked;
}
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 6b5dda1cb5df..6ea2b892f44b 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -124,7 +124,7 @@ static void calc_layout(struct ceph_osd_client *osdc,
ceph_calc_raw_layout(osdc, layout, vino.snap, off,
plen, &bno, req, op);
- sprintf(req->r_oid, "%llx.%08llx", vino.ino, bno);
+ snprintf(req->r_oid, sizeof(req->r_oid), "%llx.%08llx", vino.ino, bno);
req->r_oid_len = strlen(req->r_oid);
}
@@ -1421,6 +1421,15 @@ void ceph_osdc_handle_map(struct ceph_osd_client *osdc, struct ceph_msg *msg)
done:
downgrade_write(&osdc->map_sem);
ceph_monc_got_osdmap(&osdc->client->monc, osdc->osdmap->epoch);
+
+ /*
+ * subscribe to subsequent osdmap updates if full to ensure
+ * we find out when we are no longer full and stop returning
+ * ENOSPC.
+ */
+ if (ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_FULL))
+ ceph_monc_request_next_osdmap(&osdc->client->monc);
+
send_queued(osdc);
up_read(&osdc->map_sem);
wake_up_all(&osdc->client->auth_wq);
@@ -1677,8 +1686,14 @@ int ceph_osdc_start_request(struct ceph_osd_client *osdc,
*/
if (req->r_sent == 0) {
rc = __map_request(osdc, req);
- if (rc < 0)
+ if (rc < 0) {
+ if (nofail) {
+ dout("osdc_start_request failed map, "
+ " will retry %lld\n", req->r_tid);
+ rc = 0;
+ }
goto out_unlock;
+ }
if (req->r_osd == NULL) {
dout("send_request %p no up osds in pg\n", req);
ceph_monc_request_next_osdmap(&osdc->client->monc);
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c
index 71603ac3dff5..e97c3588c3ec 100644
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -765,7 +765,7 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
}
map->epoch++;
- map->modified = map->modified;
+ map->modified = modified;
if (newcrush) {
if (map->crush)
crush_destroy(map->crush);
@@ -830,15 +830,20 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
map->osd_addr[osd] = addr;
}
- /* new_down */
+ /* new_state */
ceph_decode_32_safe(p, end, len, bad);
while (len--) {
u32 osd;
+ u8 xorstate;
ceph_decode_32_safe(p, end, osd, bad);
+ xorstate = **(u8 **)p;
(*p)++; /* clean flag */
- pr_info("osd%d down\n", osd);
+ if (xorstate == 0)
+ xorstate = CEPH_OSD_UP;
+ if (xorstate & CEPH_OSD_UP)
+ pr_info("osd%d down\n", osd);
if (osd < map->max_osd)
- map->osd_state[osd] &= ~CEPH_OSD_UP;
+ map->osd_state[osd] ^= xorstate;
}
/* new_weight */
diff --git a/net/dns_resolver/dns_key.c b/net/dns_resolver/dns_key.c
index cfa7a5e1c5c9..fa000d26dc60 100644
--- a/net/dns_resolver/dns_key.c
+++ b/net/dns_resolver/dns_key.c
@@ -212,10 +212,12 @@ static void dns_resolver_describe(const struct key *key, struct seq_file *m)
int err = key->type_data.x[0];
seq_puts(m, key->description);
- if (err)
- seq_printf(m, ": %d", err);
- else
- seq_printf(m, ": %u", key->datalen);
+ if (key_is_instantiated(key)) {
+ if (err)
+ seq_printf(m, ": %d", err);
+ else
+ seq_printf(m, ": %u", key->datalen);
+ }
}
/*
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index 67e31276682a..cd6e4aa19dbf 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -326,10 +326,12 @@ rpcauth_prune_expired(struct list_head *free, int nr_to_scan)
* Run memory cache shrinker.
*/
static int
-rpcauth_cache_shrinker(struct shrinker *shrink, int nr_to_scan, gfp_t gfp_mask)
+rpcauth_cache_shrinker(struct shrinker *shrink, struct shrink_control *sc)
{
LIST_HEAD(free);
int res;
+ int nr_to_scan = sc->nr_to_scan;
+ gfp_t gfp_mask = sc->gfp_mask;
if ((gfp_mask & GFP_KERNEL) != GFP_KERNEL)
return (nr_to_scan == 0) ? 0 : -1;
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2025-01-01 23:58:26 +0000