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ocfs2: update lvb immediately during recovery 

Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
wifi-calibration
Kurt Hackel 2006-05-01 11:32:14 -07:00 committed by Mark Fasheh
parent 588e00902b
commit ccd8b1f916
1 changed files with 26 additions and 18 deletions
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44
fs/ocfs2/dlm/dlmrecovery.c
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@ -1674,40 +1674,48 @@ static int dlm_process_recovery_data(struct dlm_ctxt *dlm,
}
lksb->flags |= (ml->flags &
(DLM_LKSB_PUT_LVB|DLM_LKSB_GET_LVB));
if (ml->type == LKM_NLMODE)
goto skip_lvb;
if (!dlm_lvb_is_empty(mres->lvb)) {
if (lksb->flags & DLM_LKSB_PUT_LVB) {
/* other node was trying to update
* lvb when node died. recreate the
* lksb with the updated lvb. */
memcpy(lksb->lvb, mres->lvb, DLM_LVB_LEN);
/* the lock resource lvb update must happen
* NOW, before the spinlock is dropped.
* we no longer wait for the AST to update
* the lvb. */
memcpy(res->lvb, mres->lvb, DLM_LVB_LEN);
} else {
/* otherwise, the node is sending its
* most recent valid lvb info */
BUG_ON(ml->type != LKM_EXMODE &&
ml->type != LKM_PRMODE);
if (!dlm_lvb_is_empty(res->lvb) &&
(ml->type == LKM_EXMODE ||
memcmp(res->lvb, mres->lvb, DLM_LVB_LEN))) {
int i;
mlog(ML_ERROR, "%s:%.*s: received bad "
"lvb! type=%d\n", dlm->name,
res->lockname.len,
res->lockname.name, ml->type);
printk("lockres lvb=[");
for (i=0; i<DLM_LVB_LEN; i++)
printk("%02x", res->lvb[i]);
printk("]\nmigrated lvb=[");
for (i=0; i<DLM_LVB_LEN; i++)
printk("%02x", mres->lvb[i]);
printk("]\n");
dlm_print_one_lock_resource(res);
BUG();
(ml->type == LKM_EXMODE ||
memcmp(res->lvb, mres->lvb, DLM_LVB_LEN))) {
int i;
mlog(ML_ERROR, "%s:%.*s: received bad "
"lvb! type=%d\n", dlm->name,
res->lockname.len,
res->lockname.name, ml->type);
printk("lockres lvb=[");
for (i=0; i<DLM_LVB_LEN; i++)
printk("%02x", res->lvb[i]);
printk("]\nmigrated lvb=[");
for (i=0; i<DLM_LVB_LEN; i++)
printk("%02x", mres->lvb[i]);
printk("]\n");
dlm_print_one_lock_resource(res);
BUG();
}
memcpy(res->lvb, mres->lvb, DLM_LVB_LEN);
}
}
skip_lvb:
/* NOTE:
* wrt lock queue ordering and recovery: