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Locking P_global causes a cache refresh.

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This commit is contained in:
Patrick Caulfield 2007-08-23 15:43:20 +00:00
parent da27380ab5
commit 4cd97611e5
2 changed files with 13 additions and 5 deletions
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7
daemons/clvmd/clvmd-command.c
View File

@ -115,8 +115,13 @@ int do_command(struct local_client *client, struct clvm_header *msg, int msglen,
break; break;
case CLVMD_CMD_LOCK_VG: case CLVMD_CMD_LOCK_VG:
lockname = &args[2];
/* Check to see if the VG is in use by LVM1 */ /* Check to see if the VG is in use by LVM1 */
status = do_check_lvm1(&args[2]); status = do_check_lvm1(lockname);
/* P_global causes a cache refresh */
if (strcmp(lockname, "P_global") == 0)
do_refresh_cache();
break; break;
case CLVMD_CMD_LOCK_LV: case CLVMD_CMD_LOCK_LV:

11
lib/locking/cluster_locking.c
View File

@ -330,11 +330,14 @@ static int _lock_for_cluster(unsigned char cmd, uint32_t flags, char *name)
* locks are cluster-wide. * locks are cluster-wide.
* Also, if the lock is exclusive it makes no sense to try to * Also, if the lock is exclusive it makes no sense to try to
* acquire it on all nodes, so just do that on the local node too. * acquire it on all nodes, so just do that on the local node too.
* One exception, is that P_ locks /do/ get distributed across
* the cluster because they might have side-effects.
*/ */
if (cmd == CLVMD_CMD_LOCK_VG || if (strncmp(name, "P_", 2) &&
(flags & LCK_TYPE_MASK) == LCK_EXCL || (cmd == CLVMD_CMD_LOCK_VG ||
(flags & LCK_LOCAL) || (flags & LCK_TYPE_MASK) == LCK_EXCL ||
!(flags & LCK_CLUSTER_VG)) (flags & LCK_LOCAL) ||
!(flags & LCK_CLUSTER_VG)))
node = "."; node = ".";
status = _cluster_request(cmd, node, args, len, status = _cluster_request(cmd, node, args, len,