diff options
| -rw-r--r-- | fs/ocfs2/dlm/dlmrecovery.c | 44 |
1 files changed, 26 insertions, 18 deletions
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c index de68e498bfad..86199f66eb56 100644 --- a/fs/ocfs2/dlm/dlmrecovery.c +++ b/fs/ocfs2/dlm/dlmrecovery.c @@ -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: |