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-rw-r--r--net/9p/client.c5
-rw-r--r--net/ceph/auth_none.c6
-rw-r--r--net/ceph/osd_client.c63
-rw-r--r--net/sunrpc/clnt.c71
-rw-r--r--net/sunrpc/rpc_pipe.c8
-rw-r--r--net/sunrpc/sched.c19
6 files changed, 95 insertions, 77 deletions
diff --git a/net/9p/client.c b/net/9p/client.c
index addc116cecf0..01f1779eba80 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -127,7 +127,7 @@ static int parse_opts(char *opts, struct p9_client *clnt)
char *s;
int ret = 0;
- clnt->proto_version = p9_proto_2000u;
+ clnt->proto_version = p9_proto_2000L;
clnt->msize = 8192;
if (!opts)
@@ -996,6 +996,9 @@ struct p9_client *p9_client_create(const char *dev_name, char *options)
goto destroy_tagpool;
if (!clnt->trans_mod)
+ clnt->trans_mod = v9fs_get_trans_by_name("virtio");
+
+ if (!clnt->trans_mod)
clnt->trans_mod = v9fs_get_default_trans();
if (clnt->trans_mod == NULL) {
diff --git a/net/ceph/auth_none.c b/net/ceph/auth_none.c
index 925ca583c09c..8c93fa8d81bc 100644
--- a/net/ceph/auth_none.c
+++ b/net/ceph/auth_none.c
@@ -39,6 +39,11 @@ static int should_authenticate(struct ceph_auth_client *ac)
return xi->starting;
}
+static int build_request(struct ceph_auth_client *ac, void *buf, void *end)
+{
+ return 0;
+}
+
/*
* the generic auth code decode the global_id, and we carry no actual
* authenticate state, so nothing happens here.
@@ -106,6 +111,7 @@ static const struct ceph_auth_client_ops ceph_auth_none_ops = {
.destroy = destroy,
.is_authenticated = is_authenticated,
.should_authenticate = should_authenticate,
+ .build_request = build_request,
.handle_reply = handle_reply,
.create_authorizer = ceph_auth_none_create_authorizer,
.destroy_authorizer = ceph_auth_none_destroy_authorizer,
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 3a246a6cab47..dd47889adc4a 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -733,12 +733,14 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
object_size = le32_to_cpu(layout->fl_object_size);
object_base = off - objoff;
- if (truncate_size <= object_base) {
- truncate_size = 0;
- } else {
- truncate_size -= object_base;
- if (truncate_size > object_size)
- truncate_size = object_size;
+ if (!(truncate_seq == 1 && truncate_size == -1ULL)) {
+ if (truncate_size <= object_base) {
+ truncate_size = 0;
+ } else {
+ truncate_size -= object_base;
+ if (truncate_size > object_size)
+ truncate_size = object_size;
+ }
}
osd_req_op_extent_init(req, 0, opcode, objoff, objlen,
@@ -1174,6 +1176,7 @@ static void __register_linger_request(struct ceph_osd_client *osdc,
struct ceph_osd_request *req)
{
dout("__register_linger_request %p\n", req);
+ ceph_osdc_get_request(req);
list_add_tail(&req->r_linger_item, &osdc->req_linger);
if (req->r_osd)
list_add_tail(&req->r_linger_osd,
@@ -1196,6 +1199,7 @@ static void __unregister_linger_request(struct ceph_osd_client *osdc,
if (list_empty(&req->r_osd_item))
req->r_osd = NULL;
}
+ ceph_osdc_put_request(req);
}
void ceph_osdc_unregister_linger_request(struct ceph_osd_client *osdc,
@@ -1203,9 +1207,8 @@ void ceph_osdc_unregister_linger_request(struct ceph_osd_client *osdc,
{
mutex_lock(&osdc->request_mutex);
if (req->r_linger) {
- __unregister_linger_request(osdc, req);
req->r_linger = 0;
- ceph_osdc_put_request(req);
+ __unregister_linger_request(osdc, req);
}
mutex_unlock(&osdc->request_mutex);
}
@@ -1217,11 +1220,6 @@ void ceph_osdc_set_request_linger(struct ceph_osd_client *osdc,
if (!req->r_linger) {
dout("set_request_linger %p\n", req);
req->r_linger = 1;
- /*
- * caller is now responsible for calling
- * unregister_linger_request
- */
- ceph_osdc_get_request(req);
}
}
EXPORT_SYMBOL(ceph_osdc_set_request_linger);
@@ -1339,10 +1337,6 @@ static void __send_request(struct ceph_osd_client *osdc,
ceph_msg_get(req->r_request); /* send consumes a ref */
- /* Mark the request unsafe if this is the first timet's being sent. */
-
- if (!req->r_sent && req->r_unsafe_callback)
- req->r_unsafe_callback(req, true);
req->r_sent = req->r_osd->o_incarnation;
ceph_con_send(&req->r_osd->o_con, req->r_request);
@@ -1433,8 +1427,6 @@ static void handle_osds_timeout(struct work_struct *work)
static void complete_request(struct ceph_osd_request *req)
{
- if (req->r_unsafe_callback)
- req->r_unsafe_callback(req, false);
complete_all(&req->r_safe_completion); /* fsync waiter */
}
@@ -1526,6 +1518,8 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg,
for (i = 0; i < numops; i++)
req->r_reply_op_result[i] = ceph_decode_32(&p);
+ already_completed = req->r_got_reply;
+
if (!req->r_got_reply) {
req->r_result = result;
@@ -1556,19 +1550,23 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg,
((flags & CEPH_OSD_FLAG_WRITE) == 0))
__unregister_request(osdc, req);
- already_completed = req->r_completed;
- req->r_completed = 1;
mutex_unlock(&osdc->request_mutex);
- if (already_completed)
- goto done;
- if (req->r_callback)
- req->r_callback(req, msg);
- else
- complete_all(&req->r_completion);
+ if (!already_completed) {
+ if (req->r_unsafe_callback &&
+ result >= 0 && !(flags & CEPH_OSD_FLAG_ONDISK))
+ req->r_unsafe_callback(req, true);
+ if (req->r_callback)
+ req->r_callback(req, msg);
+ else
+ complete_all(&req->r_completion);
+ }
- if (flags & CEPH_OSD_FLAG_ONDISK)
+ if (flags & CEPH_OSD_FLAG_ONDISK) {
+ if (req->r_unsafe_callback && already_completed)
+ req->r_unsafe_callback(req, false);
complete_request(req);
+ }
done:
dout("req=%p req->r_linger=%d\n", req, req->r_linger);
@@ -1633,8 +1631,10 @@ static void kick_requests(struct ceph_osd_client *osdc, int force_resend)
dout("%p tid %llu restart on osd%d\n",
req, req->r_tid,
req->r_osd ? req->r_osd->o_osd : -1);
+ ceph_osdc_get_request(req);
__unregister_request(osdc, req);
__register_linger_request(osdc, req);
+ ceph_osdc_put_request(req);
continue;
}
@@ -2123,7 +2123,6 @@ int ceph_osdc_start_request(struct ceph_osd_client *osdc,
__register_request(osdc, req);
req->r_sent = 0;
req->r_got_reply = 0;
- req->r_completed = 0;
rc = __map_request(osdc, req, 0);
if (rc < 0) {
if (nofail) {
@@ -2456,8 +2455,10 @@ static struct ceph_msg *get_reply(struct ceph_connection *con,
ceph_msg_revoke_incoming(req->r_reply);
if (front > req->r_reply->front.iov_len) {
- pr_warning("get_reply front %d > preallocated %d\n",
- front, (int)req->r_reply->front.iov_len);
+ pr_warning("get_reply front %d > preallocated %d (%u#%llu)\n",
+ front, (int)req->r_reply->front.iov_len,
+ (unsigned int)con->peer_name.type,
+ le64_to_cpu(con->peer_name.num));
m = ceph_msg_new(CEPH_MSG_OSD_OPREPLY, front, GFP_NOFS, false);
if (!m)
goto out;
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 5a750b9c3640..f0339ae9bf37 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -157,20 +157,15 @@ static struct dentry *rpc_setup_pipedir_sb(struct super_block *sb,
}
static int
-rpc_setup_pipedir(struct rpc_clnt *clnt, const char *dir_name)
+rpc_setup_pipedir(struct rpc_clnt *clnt, const char *dir_name,
+ struct super_block *pipefs_sb)
{
- struct net *net = rpc_net_ns(clnt);
- struct super_block *pipefs_sb;
struct dentry *dentry;
clnt->cl_dentry = NULL;
if (dir_name == NULL)
return 0;
- pipefs_sb = rpc_get_sb_net(net);
- if (!pipefs_sb)
- return 0;
dentry = rpc_setup_pipedir_sb(pipefs_sb, clnt, dir_name);
- rpc_put_sb_net(net);
if (IS_ERR(dentry))
return PTR_ERR(dentry);
clnt->cl_dentry = dentry;
@@ -182,6 +177,8 @@ static inline int rpc_clnt_skip_event(struct rpc_clnt *clnt, unsigned long event
if (((event == RPC_PIPEFS_MOUNT) && clnt->cl_dentry) ||
((event == RPC_PIPEFS_UMOUNT) && !clnt->cl_dentry))
return 1;
+ if ((event == RPC_PIPEFS_MOUNT) && atomic_read(&clnt->cl_count) == 0)
+ return 1;
return 0;
}
@@ -241,8 +238,6 @@ static struct rpc_clnt *rpc_get_client_for_event(struct net *net, int event)
continue;
if (rpc_clnt_skip_event(clnt, event))
continue;
- if (atomic_inc_not_zero(&clnt->cl_count) == 0)
- continue;
spin_unlock(&sn->rpc_client_lock);
return clnt;
}
@@ -259,7 +254,6 @@ static int rpc_pipefs_event(struct notifier_block *nb, unsigned long event,
while ((clnt = rpc_get_client_for_event(sb->s_fs_info, event))) {
error = __rpc_pipefs_event(clnt, event, sb);
- rpc_release_client(clnt);
if (error)
break;
}
@@ -289,12 +283,46 @@ static void rpc_clnt_set_nodename(struct rpc_clnt *clnt, const char *nodename)
memcpy(clnt->cl_nodename, nodename, clnt->cl_nodelen);
}
+static int rpc_client_register(const struct rpc_create_args *args,
+ struct rpc_clnt *clnt)
+{
+ const struct rpc_program *program = args->program;
+ struct rpc_auth *auth;
+ struct net *net = rpc_net_ns(clnt);
+ struct super_block *pipefs_sb;
+ int err = 0;
+
+ pipefs_sb = rpc_get_sb_net(net);
+ if (pipefs_sb) {
+ err = rpc_setup_pipedir(clnt, program->pipe_dir_name, pipefs_sb);
+ if (err)
+ goto out;
+ }
+
+ auth = rpcauth_create(args->authflavor, clnt);
+ if (IS_ERR(auth)) {
+ dprintk("RPC: Couldn't create auth handle (flavor %u)\n",
+ args->authflavor);
+ err = PTR_ERR(auth);
+ goto err_auth;
+ }
+
+ rpc_register_client(clnt);
+out:
+ if (pipefs_sb)
+ rpc_put_sb_net(net);
+ return err;
+
+err_auth:
+ __rpc_clnt_remove_pipedir(clnt);
+ goto out;
+}
+
static struct rpc_clnt * rpc_new_client(const struct rpc_create_args *args, struct rpc_xprt *xprt)
{
const struct rpc_program *program = args->program;
const struct rpc_version *version;
struct rpc_clnt *clnt = NULL;
- struct rpc_auth *auth;
int err;
/* sanity check the name before trying to print it */
@@ -354,25 +382,14 @@ static struct rpc_clnt * rpc_new_client(const struct rpc_create_args *args, stru
atomic_set(&clnt->cl_count, 1);
- err = rpc_setup_pipedir(clnt, program->pipe_dir_name);
- if (err < 0)
- goto out_no_path;
-
- auth = rpcauth_create(args->authflavor, clnt);
- if (IS_ERR(auth)) {
- dprintk("RPC: Couldn't create auth handle (flavor %u)\n",
- args->authflavor);
- err = PTR_ERR(auth);
- goto out_no_auth;
- }
-
/* save the nodename */
rpc_clnt_set_nodename(clnt, utsname()->nodename);
- rpc_register_client(clnt);
+
+ err = rpc_client_register(args, clnt);
+ if (err)
+ goto out_no_path;
return clnt;
-out_no_auth:
- rpc_clnt_remove_pipedir(clnt);
out_no_path:
kfree(clnt->cl_principal);
out_no_principal:
@@ -637,8 +654,8 @@ rpc_free_client(struct rpc_clnt *clnt)
rcu_dereference(clnt->cl_xprt)->servername);
if (clnt->cl_parent != clnt)
rpc_release_client(clnt->cl_parent);
- rpc_unregister_client(clnt);
rpc_clnt_remove_pipedir(clnt);
+ rpc_unregister_client(clnt);
rpc_free_iostats(clnt->cl_metrics);
kfree(clnt->cl_principal);
clnt->cl_metrics = NULL;
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index e7ce4b3eb0bd..4679df5a6d50 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -667,7 +667,8 @@ static struct dentry *__rpc_lookup_create_exclusive(struct dentry *parent,
return ERR_PTR(-ENOMEM);
}
if (dentry->d_inode == NULL) {
- d_set_d_op(dentry, &rpc_dentry_operations);
+ if (!dentry->d_op)
+ d_set_d_op(dentry, &rpc_dentry_operations);
return dentry;
}
dput(dentry);
@@ -1126,6 +1127,7 @@ rpc_fill_super(struct super_block *sb, void *data, int silent)
return -ENOMEM;
dprintk("RPC: sending pipefs MOUNT notification for net %p%s\n",
net, NET_NAME(net));
+ mutex_lock(&sn->pipefs_sb_lock);
sn->pipefs_sb = sb;
err = blocking_notifier_call_chain(&rpc_pipefs_notifier_list,
RPC_PIPEFS_MOUNT,
@@ -1133,6 +1135,7 @@ rpc_fill_super(struct super_block *sb, void *data, int silent)
if (err)
goto err_depopulate;
sb->s_fs_info = get_net(net);
+ mutex_unlock(&sn->pipefs_sb_lock);
return 0;
err_depopulate:
@@ -1141,6 +1144,7 @@ err_depopulate:
sb);
sn->pipefs_sb = NULL;
__rpc_depopulate(root, files, RPCAUTH_lockd, RPCAUTH_RootEOF);
+ mutex_unlock(&sn->pipefs_sb_lock);
return err;
}
@@ -1162,12 +1166,12 @@ static void rpc_kill_sb(struct super_block *sb)
goto out;
}
sn->pipefs_sb = NULL;
- mutex_unlock(&sn->pipefs_sb_lock);
dprintk("RPC: sending pipefs UMOUNT notification for net %p%s\n",
net, NET_NAME(net));
blocking_notifier_call_chain(&rpc_pipefs_notifier_list,
RPC_PIPEFS_UMOUNT,
sb);
+ mutex_unlock(&sn->pipefs_sb_lock);
put_net(net);
out:
kill_litter_super(sb);
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 77d251e02593..93a7a4e94d80 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -446,20 +446,6 @@ static void rpc_wake_up_task_queue_locked(struct rpc_wait_queue *queue, struct r
}
/*
- * Tests whether rpc queue is empty
- */
-int rpc_queue_empty(struct rpc_wait_queue *queue)
-{
- int res;
-
- spin_lock_bh(&queue->lock);
- res = queue->qlen;
- spin_unlock_bh(&queue->lock);
- return res == 0;
-}
-EXPORT_SYMBOL_GPL(rpc_queue_empty);
-
-/*
* Wake up a task on a specific queue
*/
void rpc_wake_up_queued_task(struct rpc_wait_queue *queue, struct rpc_task *task)
@@ -804,7 +790,6 @@ static void __rpc_execute(struct rpc_task *task)
task->tk_flags |= RPC_TASK_KILLED;
rpc_exit(task, -ERESTARTSYS);
}
- rpc_set_running(task);
dprintk("RPC: %5u sync task resuming\n", task->tk_pid);
}
@@ -825,9 +810,11 @@ static void __rpc_execute(struct rpc_task *task)
*/
void rpc_execute(struct rpc_task *task)
{
+ bool is_async = RPC_IS_ASYNC(task);
+
rpc_set_active(task);
rpc_make_runnable(task);
- if (!RPC_IS_ASYNC(task))
+ if (!is_async)
__rpc_execute(task);
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.