dlmrecovery.c (343e26a4007d14c2154c1d13d1209797dce5c535) dlmrecovery.c (ccd8b1f916bc5e4b2156f03ccd3546be7f65f6b3)
1/* -*- mode: c; c-basic-offset: 8; -*-
2 * vim: noexpandtab sw=8 ts=8 sts=0:
3 *
4 * dlmrecovery.c
5 *
6 * recovery stuff
7 *
8 * Copyright (C) 2004 Oracle. All rights reserved.

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1669 dlm_lock_attach_lockres(newlock, res);
1670
1671 if (ml->convert_type != LKM_IVMODE) {
1672 BUG_ON(queue != &res->converting);
1673 newlock->ml.convert_type = ml->convert_type;
1674 }
1675 lksb->flags |= (ml->flags &
1676 (DLM_LKSB_PUT_LVB|DLM_LKSB_GET_LVB));
1/* -*- mode: c; c-basic-offset: 8; -*-
2 * vim: noexpandtab sw=8 ts=8 sts=0:
3 *
4 * dlmrecovery.c
5 *
6 * recovery stuff
7 *
8 * Copyright (C) 2004 Oracle. All rights reserved.

--- 1660 unchanged lines hidden (view full) ---

1669 dlm_lock_attach_lockres(newlock, res);
1670
1671 if (ml->convert_type != LKM_IVMODE) {
1672 BUG_ON(queue != &res->converting);
1673 newlock->ml.convert_type = ml->convert_type;
1674 }
1675 lksb->flags |= (ml->flags &
1676 (DLM_LKSB_PUT_LVB|DLM_LKSB_GET_LVB));
1677
1677
1678 if (ml->type == LKM_NLMODE)
1679 goto skip_lvb;
1680
1678 if (!dlm_lvb_is_empty(mres->lvb)) {
1679 if (lksb->flags & DLM_LKSB_PUT_LVB) {
1680 /* other node was trying to update
1681 * lvb when node died. recreate the
1682 * lksb with the updated lvb. */
1683 memcpy(lksb->lvb, mres->lvb, DLM_LVB_LEN);
1681 if (!dlm_lvb_is_empty(mres->lvb)) {
1682 if (lksb->flags & DLM_LKSB_PUT_LVB) {
1683 /* other node was trying to update
1684 * lvb when node died. recreate the
1685 * lksb with the updated lvb. */
1686 memcpy(lksb->lvb, mres->lvb, DLM_LVB_LEN);
1687 /* the lock resource lvb update must happen
1688 * NOW, before the spinlock is dropped.
1689 * we no longer wait for the AST to update
1690 * the lvb. */
1691 memcpy(res->lvb, mres->lvb, DLM_LVB_LEN);
1684 } else {
1685 /* otherwise, the node is sending its
1686 * most recent valid lvb info */
1687 BUG_ON(ml->type != LKM_EXMODE &&
1688 ml->type != LKM_PRMODE);
1689 if (!dlm_lvb_is_empty(res->lvb) &&
1692 } else {
1693 /* otherwise, the node is sending its
1694 * most recent valid lvb info */
1695 BUG_ON(ml->type != LKM_EXMODE &&
1696 ml->type != LKM_PRMODE);
1697 if (!dlm_lvb_is_empty(res->lvb) &&
1690 (ml->type == LKM_EXMODE ||
1691 memcmp(res->lvb, mres->lvb, DLM_LVB_LEN))) {
1692 int i;
1693 mlog(ML_ERROR, "%s:%.*s: received bad "
1694 "lvb! type=%d\n", dlm->name,
1695 res->lockname.len,
1696 res->lockname.name, ml->type);
1697 printk("lockres lvb=[");
1698 for (i=0; i<DLM_LVB_LEN; i++)
1699 printk("%02x", res->lvb[i]);
1700 printk("]\nmigrated lvb=[");
1701 for (i=0; i<DLM_LVB_LEN; i++)
1702 printk("%02x", mres->lvb[i]);
1703 printk("]\n");
1704 dlm_print_one_lock_resource(res);
1705 BUG();
1698 (ml->type == LKM_EXMODE ||
1699 memcmp(res->lvb, mres->lvb, DLM_LVB_LEN))) {
1700 int i;
1701 mlog(ML_ERROR, "%s:%.*s: received bad "
1702 "lvb! type=%d\n", dlm->name,
1703 res->lockname.len,
1704 res->lockname.name, ml->type);
1705 printk("lockres lvb=[");
1706 for (i=0; i<DLM_LVB_LEN; i++)
1707 printk("%02x", res->lvb[i]);
1708 printk("]\nmigrated lvb=[");
1709 for (i=0; i<DLM_LVB_LEN; i++)
1710 printk("%02x", mres->lvb[i]);
1711 printk("]\n");
1712 dlm_print_one_lock_resource(res);
1713 BUG();
1706 }
1707 memcpy(res->lvb, mres->lvb, DLM_LVB_LEN);
1708 }
1709 }
1714 }
1715 memcpy(res->lvb, mres->lvb, DLM_LVB_LEN);
1716 }
1717 }
1718skip_lvb:
1710
1719
1711
1712 /* NOTE:
1713 * wrt lock queue ordering and recovery:
1714 * 1. order of locks on granted queue is
1715 * meaningless.
1716 * 2. order of locks on converting queue is
1717 * LOST with the node death. sorry charlie.
1718 * 3. order of locks on the blocked queue is
1719 * also LOST.

--- 889 unchanged lines hidden --- 		1720 /* NOTE:
1721 * wrt lock queue ordering and recovery:
1722 * 1. order of locks on granted queue is
1723 * meaningless.
1724 * 2. order of locks on converting queue is
1725 * LOST with the node death. sorry charlie.
1726 * 3. order of locks on the blocked queue is
1727 * also LOST.

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