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-rw-r--r--fs/dlm/lock.c10
-rw-r--r--fs/dlm/lock.h3
-rw-r--r--fs/dlm/rcom.c12
3 files changed, 17 insertions, 8 deletions
diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index b489da38e685..1cf666c7401d 100644
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -5384,7 +5384,8 @@ static int receive_rcom_lock_args(struct dlm_ls *ls, struct dlm_lkb *lkb,
back the rcom_lock struct we got but with the remid field filled in. */
/* needs at least dlm_rcom + rcom_lock */
-int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc)
+int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc,
+ __le32 *rl_remid, __le32 *rl_result)
{
struct rcom_lock *rl = (struct rcom_lock *) rc->rc_buf;
struct dlm_rsb *r;
@@ -5393,6 +5394,9 @@ int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc)
int from_nodeid = le32_to_cpu(rc->rc_header.h_nodeid);
int error;
+ /* init rl_remid with rcom lock rl_remid */
+ *rl_remid = rl->rl_remid;
+
if (rl->rl_parent_lkid) {
error = -EOPNOTSUPP;
goto out;
@@ -5448,7 +5452,7 @@ int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc)
out_remid:
/* this is the new value returned to the lock holder for
saving in its process-copy lkb */
- rl->rl_remid = cpu_to_le32(lkb->lkb_id);
+ *rl_remid = cpu_to_le32(lkb->lkb_id);
lkb->lkb_recover_seq = ls->ls_recover_seq;
@@ -5459,7 +5463,7 @@ int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc)
if (error && error != -EEXIST)
log_rinfo(ls, "dlm_recover_master_copy remote %d %x error %d",
from_nodeid, remid, error);
- rl->rl_result = cpu_to_le32(error);
+ *rl_result = cpu_to_le32(error);
return error;
}
diff --git a/fs/dlm/lock.h b/fs/dlm/lock.h
index 222e682523b9..cd67ccfbbf9b 100644
--- a/fs/dlm/lock.h
+++ b/fs/dlm/lock.h
@@ -36,7 +36,8 @@ void dlm_purge_mstcpy_locks(struct dlm_rsb *r);
void dlm_recover_grant(struct dlm_ls *ls);
int dlm_recover_waiters_post(struct dlm_ls *ls);
void dlm_recover_waiters_pre(struct dlm_ls *ls);
-int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc);
+int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc,
+ __le32 *rl_remid, __le32 *rl_result);
int dlm_recover_process_copy(struct dlm_ls *ls, struct dlm_rcom *rc,
uint64_t seq);
diff --git a/fs/dlm/rcom.c b/fs/dlm/rcom.c
index efe45e68287f..0946431e370a 100644
--- a/fs/dlm/rcom.c
+++ b/fs/dlm/rcom.c
@@ -472,21 +472,25 @@ int dlm_send_rcom_lock(struct dlm_rsb *r, struct dlm_lkb *lkb, uint64_t seq)
static void receive_rcom_lock(struct dlm_ls *ls, struct dlm_rcom *rc_in,
uint64_t seq)
{
+ __le32 rl_remid, rl_result;
+ struct rcom_lock *rl;
struct dlm_rcom *rc;
struct dlm_mhandle *mh;
int error, nodeid = le32_to_cpu(rc_in->rc_header.h_nodeid);
- dlm_recover_master_copy(ls, rc_in);
+ dlm_recover_master_copy(ls, rc_in, &rl_remid, &rl_result);
error = create_rcom(ls, nodeid, DLM_RCOM_LOCK_REPLY,
sizeof(struct rcom_lock), &rc, &mh, seq);
if (error)
return;
- /* We send back the same rcom_lock struct we received, but
- dlm_recover_master_copy() has filled in rl_remid and rl_result */
-
memcpy(rc->rc_buf, rc_in->rc_buf, sizeof(struct rcom_lock));
+ rl = (struct rcom_lock *)rc->rc_buf;
+ /* set rl_remid and rl_result from dlm_recover_master_copy() */
+ rl->rl_remid = rl_remid;
+ rl->rl_result = rl_result;
+
rc->rc_id = rc_in->rc_id;
rc->rc_seq_reply = rc_in->rc_seq;