From: Al Viro <[EMAIL PROTECTED]>
a) don't cast the pointer to dlm_header *, we use it as dlm_message *
anyway.
b) we copy the message into a queue element, then pass the pointer to
copy to dlm_receive_message_saved(); declare it properly to make sure
that we have the right alignment.
Signed-off-by: Al Viro <[EMAIL PROTECTED]>
Signed-off-by: David Teigland <[EMAIL PROTECTED]>
---
fs/dlm/lock.c | 2 +-
fs/dlm/requestqueue.c | 12 ++++++------
fs/dlm/requestqueue.h | 2 +-
3 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index ff4a198..d9f07a4 100644
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -3802,7 +3802,7 @@ static void dlm_receive_message(struct dlm_ls *ls, struct
dlm_message *ms,
int nodeid)
{
if (dlm_locking_stopped(ls)) {
- dlm_add_requestqueue(ls, nodeid, (struct dlm_header *) ms);
+ dlm_add_requestqueue(ls, nodeid, ms);
} else {
dlm_wait_requestqueue(ls);
_receive_message(ls, ms);
diff --git a/fs/dlm/requestqueue.c b/fs/dlm/requestqueue.c
index 0de04f1..daa4183 100644
--- a/fs/dlm/requestqueue.c
+++ b/fs/dlm/requestqueue.c
@@ -20,7 +20,7 @@
struct rq_entry {
struct list_head list;
int nodeid;
- char request[0];
+ struct dlm_message request;
};
/*
@@ -30,10 +30,10 @@ struct rq_entry {
* lockspace is enabled on some while still suspended on others.
*/
-void dlm_add_requestqueue(struct dlm_ls *ls, int nodeid, struct dlm_header *hd)
+void dlm_add_requestqueue(struct dlm_ls *ls, int nodeid, struct dlm_message
*ms)
{
struct rq_entry *e;
- int length = hd->h_length;
+ int length = ms->m_header.h_length - sizeof(struct dlm_message);
e = kmalloc(sizeof(struct rq_entry) + length, GFP_KERNEL);
if (!e) {
@@ -42,7 +42,7 @@ void dlm_add_requestqueue(struct dlm_ls *ls, int nodeid,
struct dlm_header *hd)
}
e->nodeid = nodeid;
- memcpy(e->request, hd, length);
+ memcpy(&e->request, ms, ms->m_header.h_length);
mutex_lock(&ls->ls_requestqueue_mutex);
list_add_tail(&e->list, &ls->ls_requestqueue);
@@ -76,7 +76,7 @@ int dlm_process_requestqueue(struct dlm_ls *ls)
e = list_entry(ls->ls_requestqueue.next, struct rq_entry, list);
mutex_unlock(&ls->ls_requestqueue_mutex);
- dlm_receive_message_saved(ls, (struct dlm_message *)e->request);
+ dlm_receive_message_saved(ls, &e->request);
mutex_lock(&ls->ls_requestqueue_mutex);
list_del(&e->list);
@@ -176,7 +176,7 @@ void dlm_purge_requestqueue(struct dlm_ls *ls)
mutex_lock(&ls->ls_requestqueue_mutex);
list_for_each_entry_safe(e, safe, &ls->ls_requestqueue, list) {
- ms = (struct dlm_message *) e->request;
+ ms = &e->request;
if (purge_request(ls, ms, e->nodeid)) {
list_del(&e->list);
diff --git a/fs/dlm/requestqueue.h b/fs/dlm/requestqueue.h
index aba34fc..10ce449 100644
--- a/fs/dlm/requestqueue.h
+++ b/fs/dlm/requestqueue.h
@@ -13,7 +13,7 @@
#ifndef __REQUESTQUEUE_DOT_H__
#define __REQUESTQUEUE_DOT_H__
-void dlm_add_requestqueue(struct dlm_ls *ls, int nodeid, struct dlm_header
*hd);
+void dlm_add_requestqueue(struct dlm_ls *ls, int nodeid, struct dlm_message
*ms);
int dlm_process_requestqueue(struct dlm_ls *ls);
void dlm_wait_requestqueue(struct dlm_ls *ls);
void dlm_purge_requestqueue(struct dlm_ls *ls);
--
1.5.3.3
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