From 9250e523592a8ced3ecd14abe29fbb1e036bd7eb Mon Sep 17 00:00:00 2001
From: David Teigland <teigland@redhat.com>
Date: Mon, 9 Oct 2017 09:29:31 -0500
Subject: [PATCH] dlm: remove dlm_send_rcom_lookup_dump
This function was only for debugging. It would be
called in a condition that should not happen, and
should probably have been removed from the final
version of the original commit.
Remove it because it does mutex lock under spin lock.
Signed-off-by: David Teigland <teigland@redhat.com>
---
fs/dlm/lock.c | 1 -
fs/dlm/rcom.c | 20 +-------------------
fs/dlm/rcom.h | 1 -
3 files changed, 1 insertion(+), 21 deletions(-)
diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index f145a2a9d6cb..cc91963683de 100644
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -1003,7 +1003,6 @@ int dlm_master_lookup(struct dlm_ls *ls, int from_nodeid, char *name, int len,
if (r->res_master_nodeid == our_nodeid) {
log_error(ls, "from_master %d our_master", from_nodeid);
dlm_dump_rsb(r);
- dlm_send_rcom_lookup_dump(r, from_nodeid);
goto out_found;
}
diff --git a/fs/dlm/rcom.c b/fs/dlm/rcom.c
index 4ff061de927e..70c625999d36 100644
--- a/fs/dlm/rcom.c
+++ b/fs/dlm/rcom.c
@@ -338,25 +338,6 @@ int dlm_send_rcom_lookup(struct dlm_rsb *r, int dir_nodeid)
return error;
}
-int dlm_send_rcom_lookup_dump(struct dlm_rsb *r, int to_nodeid)
-{
- struct dlm_rcom *rc;
- struct dlm_mhandle *mh;
- struct dlm_ls *ls = r->res_ls;
- int error;
-
- error = create_rcom(ls, to_nodeid, DLM_RCOM_LOOKUP, r->res_length,
- &rc, &mh);
- if (error)
- goto out;
- memcpy(rc->rc_buf, r->res_name, r->res_length);
- rc->rc_id = 0xFFFFFFFF;
-
- send_rcom(ls, mh, rc);
- out:
- return error;
-}
-
static void receive_rcom_lookup(struct dlm_ls *ls, struct dlm_rcom *rc_in)
{
struct dlm_rcom *rc;
@@ -368,6 +349,7 @@ static void receive_rcom_lookup(struct dlm_ls *ls, struct dlm_rcom *rc_in)
if (error)
return;
+ /* Old code would send this special id to trigger a debug dump. */
if (rc_in->rc_id == 0xFFFFFFFF) {
log_error(ls, "receive_rcom_lookup dump from %d", nodeid);
dlm_dump_rsb_name(ls, rc_in->rc_buf, len);
diff --git a/fs/dlm/rcom.h b/fs/dlm/rcom.h
index f8e243463c15..206723ab744d 100644
--- a/fs/dlm/rcom.h
+++ b/fs/dlm/rcom.h
@@ -17,7 +17,6 @@
int dlm_rcom_status(struct dlm_ls *ls, int nodeid, uint32_t status_flags);
int dlm_rcom_names(struct dlm_ls *ls, int nodeid, char *last_name,int last_len);
int dlm_send_rcom_lookup(struct dlm_rsb *r, int dir_nodeid);
-int dlm_send_rcom_lookup_dump(struct dlm_rsb *r, int to_nodeid);
int dlm_send_rcom_lock(struct dlm_rsb *r, struct dlm_lkb *lkb);
void dlm_receive_rcom(struct dlm_ls *ls, struct dlm_rcom *rc, int nodeid);
int dlm_send_ls_not_ready(int nodeid, struct dlm_rcom *rc_in);
--
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