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-rw-r--r--fs/dlm/lock.c21
-rw-r--r--fs/dlm/midcomms.c45
-rw-r--r--fs/dlm/midcomms.h3
-rw-r--r--fs/dlm/rcom.c4
4 files changed, 56 insertions, 17 deletions
diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index b246d71b5e17..0b1bc24536ce 100644
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -3611,9 +3611,10 @@ static int create_message(struct dlm_rsb *r, struct dlm_lkb *lkb,
/* further lowcomms enhancements or alternate implementations may make
the return value from this function useful at some point */
-static int send_message(struct dlm_mhandle *mh, struct dlm_message *ms)
+static int send_message(struct dlm_mhandle *mh, struct dlm_message *ms,
+ const void *name, int namelen)
{
- dlm_midcomms_commit_mhandle(mh);
+ dlm_midcomms_commit_mhandle(mh, name, namelen);
return 0;
}
@@ -3679,7 +3680,7 @@ static int send_common(struct dlm_rsb *r, struct dlm_lkb *lkb, int mstype)
send_args(r, lkb, ms);
- error = send_message(mh, ms);
+ error = send_message(mh, ms, r->res_name, r->res_length);
if (error)
goto fail;
return 0;
@@ -3742,7 +3743,7 @@ static int send_grant(struct dlm_rsb *r, struct dlm_lkb *lkb)
ms->m_result = 0;
- error = send_message(mh, ms);
+ error = send_message(mh, ms, r->res_name, r->res_length);
out:
return error;
}
@@ -3763,7 +3764,7 @@ static int send_bast(struct dlm_rsb *r, struct dlm_lkb *lkb, int mode)
ms->m_bastmode = cpu_to_le32(mode);
- error = send_message(mh, ms);
+ error = send_message(mh, ms, r->res_name, r->res_length);
out:
return error;
}
@@ -3786,7 +3787,7 @@ static int send_lookup(struct dlm_rsb *r, struct dlm_lkb *lkb)
send_args(r, lkb, ms);
- error = send_message(mh, ms);
+ error = send_message(mh, ms, r->res_name, r->res_length);
if (error)
goto fail;
return 0;
@@ -3811,7 +3812,7 @@ static int send_remove(struct dlm_rsb *r)
memcpy(ms->m_extra, r->res_name, r->res_length);
ms->m_hash = cpu_to_le32(r->res_hash);
- error = send_message(mh, ms);
+ error = send_message(mh, ms, r->res_name, r->res_length);
out:
return error;
}
@@ -3833,7 +3834,7 @@ static int send_common_reply(struct dlm_rsb *r, struct dlm_lkb *lkb,
ms->m_result = cpu_to_le32(to_dlm_errno(rv));
- error = send_message(mh, ms);
+ error = send_message(mh, ms, r->res_name, r->res_length);
out:
return error;
}
@@ -3874,7 +3875,7 @@ static int send_lookup_reply(struct dlm_ls *ls, struct dlm_message *ms_in,
ms->m_result = cpu_to_le32(to_dlm_errno(rv));
ms->m_nodeid = cpu_to_le32(ret_nodeid);
- error = send_message(mh, ms);
+ error = send_message(mh, ms, ms_in->m_extra, receive_extralen(ms_in));
out:
return error;
}
@@ -6300,7 +6301,7 @@ static int send_purge(struct dlm_ls *ls, int nodeid, int pid)
ms->m_nodeid = cpu_to_le32(nodeid);
ms->m_pid = cpu_to_le32(pid);
- return send_message(mh, ms);
+ return send_message(mh, ms, NULL, 0);
}
int dlm_user_purge(struct dlm_ls *ls, struct dlm_user_proc *proc,
diff --git a/fs/dlm/midcomms.c b/fs/dlm/midcomms.c
index 4eed40d66da1..e10a6e97df44 100644
--- a/fs/dlm/midcomms.c
+++ b/fs/dlm/midcomms.c
@@ -132,6 +132,7 @@
*/
#define DLM_DEBUG_FENCE_TERMINATION 0
+#include <trace/events/dlm.h>
#include <net/tcp.h>
#include "dlm_internal.h"
@@ -415,7 +416,7 @@ static int dlm_send_fin(struct midcomms_node *node,
m_header->h_cmd = DLM_FIN;
pr_debug("sending fin msg to node %d\n", node->nodeid);
- dlm_midcomms_commit_mhandle(mh);
+ dlm_midcomms_commit_mhandle(mh, NULL, 0);
set_bit(DLM_NODE_FLAG_STOP_TX, &node->flags);
return 0;
@@ -474,6 +475,20 @@ static void dlm_pas_fin_ack_rcv(struct midcomms_node *node)
spin_unlock(&node->state_lock);
}
+static void dlm_receive_buffer_3_2_trace(uint32_t seq, union dlm_packet *p)
+{
+ switch (p->header.h_cmd) {
+ case DLM_MSG:
+ trace_dlm_recv_message(seq, &p->message);
+ break;
+ case DLM_RCOM:
+ trace_dlm_recv_rcom(seq, &p->rcom);
+ break;
+ default:
+ break;
+ }
+}
+
static void dlm_midcomms_receive_buffer(union dlm_packet *p,
struct midcomms_node *node,
uint32_t seq)
@@ -534,6 +549,7 @@ static void dlm_midcomms_receive_buffer(union dlm_packet *p,
break;
default:
WARN_ON(test_bit(DLM_NODE_FLAG_STOP_RX, &node->flags));
+ dlm_receive_buffer_3_2_trace(seq, p);
dlm_receive_buffer(p, node->nodeid);
set_bit(DLM_NODE_ULP_DELIVERED, &node->flags);
break;
@@ -1130,11 +1146,30 @@ err:
}
#endif
-static void dlm_midcomms_commit_msg_3_2(struct dlm_mhandle *mh)
+static void dlm_midcomms_commit_msg_3_2_trace(const struct dlm_mhandle *mh,
+ const void *name, int namelen)
+{
+ switch (mh->inner_p->header.h_cmd) {
+ case DLM_MSG:
+ trace_dlm_send_message(mh->seq, &mh->inner_p->message,
+ name, namelen);
+ break;
+ case DLM_RCOM:
+ trace_dlm_send_rcom(mh->seq, &mh->inner_p->rcom);
+ break;
+ default:
+ /* nothing to trace */
+ break;
+ }
+}
+
+static void dlm_midcomms_commit_msg_3_2(struct dlm_mhandle *mh,
+ const void *name, int namelen)
{
/* nexthdr chain for fast lookup */
mh->opts->o_nextcmd = mh->inner_p->header.h_cmd;
mh->committed = true;
+ dlm_midcomms_commit_msg_3_2_trace(mh, name, namelen);
dlm_lowcomms_commit_msg(mh->msg);
}
@@ -1142,8 +1177,10 @@ static void dlm_midcomms_commit_msg_3_2(struct dlm_mhandle *mh)
* dlm_midcomms_get_mhandle
*/
#ifndef __CHECKER__
-void dlm_midcomms_commit_mhandle(struct dlm_mhandle *mh)
+void dlm_midcomms_commit_mhandle(struct dlm_mhandle *mh,
+ const void *name, int namelen)
{
+
switch (mh->node->version) {
case DLM_VERSION_3_1:
srcu_read_unlock(&nodes_srcu, mh->idx);
@@ -1154,7 +1191,7 @@ void dlm_midcomms_commit_mhandle(struct dlm_mhandle *mh)
dlm_free_mhandle(mh);
break;
case DLM_VERSION_3_2:
- dlm_midcomms_commit_msg_3_2(mh);
+ dlm_midcomms_commit_msg_3_2(mh, name, namelen);
srcu_read_unlock(&nodes_srcu, mh->idx);
break;
default:
diff --git a/fs/dlm/midcomms.h b/fs/dlm/midcomms.h
index 82bcd9661922..d6286e80b077 100644
--- a/fs/dlm/midcomms.h
+++ b/fs/dlm/midcomms.h
@@ -17,7 +17,8 @@ struct midcomms_node;
int dlm_process_incoming_buffer(int nodeid, unsigned char *buf, int buflen);
struct dlm_mhandle *dlm_midcomms_get_mhandle(int nodeid, int len,
gfp_t allocation, char **ppc);
-void dlm_midcomms_commit_mhandle(struct dlm_mhandle *mh);
+void dlm_midcomms_commit_mhandle(struct dlm_mhandle *mh, const void *name,
+ int namelen);
int dlm_midcomms_close(int nodeid);
int dlm_midcomms_start(void);
void dlm_midcomms_shutdown(void);
diff --git a/fs/dlm/rcom.c b/fs/dlm/rcom.c
index f19860315043..b76d52e2f6bd 100644
--- a/fs/dlm/rcom.c
+++ b/fs/dlm/rcom.c
@@ -91,7 +91,7 @@ static int create_rcom_stateless(struct dlm_ls *ls, int to_nodeid, int type,
static void send_rcom(struct dlm_mhandle *mh, struct dlm_rcom *rc)
{
- dlm_midcomms_commit_mhandle(mh);
+ dlm_midcomms_commit_mhandle(mh, NULL, 0);
}
static void send_rcom_stateless(struct dlm_msg *msg, struct dlm_rcom *rc)
@@ -516,7 +516,7 @@ int dlm_send_ls_not_ready(int nodeid, struct dlm_rcom *rc_in)
rf = (struct rcom_config *) rc->rc_buf;
rf->rf_lvblen = cpu_to_le32(~0U);
- dlm_midcomms_commit_mhandle(mh);
+ dlm_midcomms_commit_mhandle(mh, NULL, 0);
return 0;
}