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| author | Kurt Hackel <kurt.hackel@oracle.com> | 2006-05-01 11:32:14 -0700 |
|---|---|---|
| committer | Mark Fasheh <mark.fasheh@oracle.com> | 2006-06-26 14:43:02 -0700 |
| commit | ccd8b1f916bc5e4b2156f03ccd3546be7f65f6b3 (patch) | |
| tree | 4d3467728b13c254e9544532f147f4f84446c1b4 /fs/ocfs2/dlm | |
| parent | 588e00902b06528c476eed38019dba4a087def01 (diff) | |
| download | linux-ccd8b1f916bc5e4b2156f03ccd3546be7f65f6b3.tar.bz2 | |
ocfs2: update lvb immediately during recovery
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Diffstat (limited to 'fs/ocfs2/dlm')
| -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: |