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| author | Kurt Hackel <kurt.hackel@oracle.com> | 2006-12-02 01:47:20 +0300 |
|---|---|---|
| committer | Mark Fasheh <mark.fasheh@oracle.com> | 2007-02-07 22:53:07 +0300 |
| commit | ba2bf2185121db74e075c703fbf986761733dd1d (patch) | |
| tree | f7b90fa14db61fb6fc5d92d393b1d837e58a9faa /fs/ocfs2/cluster | |
| parent | 5331be090567d9335476f876b2d85427cd7c4426 (diff) | |
| download | linux-ba2bf2185121db74e075c703fbf986761733dd1d.tar.xz | |
ocfs2_dlm: fix cluster-wide refcounting of lock resources
This was previously broken and migration of some locks had to be temporarily
disabled. We use a new (and backward-incompatible) set of network messages
to account for all references to a lock resources held across the cluster.
once these are all freed, the master node may then free the lock resource
memory once its local references are dropped.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Diffstat (limited to 'fs/ocfs2/cluster')
| -rw-r--r-- | fs/ocfs2/cluster/tcp_internal.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/ocfs2/cluster/tcp_internal.h b/fs/ocfs2/cluster/tcp_internal.h index b700dc9624d1..775c911342f4 100644 --- a/fs/ocfs2/cluster/tcp_internal.h +++ b/fs/ocfs2/cluster/tcp_internal.h @@ -38,6 +38,9 @@ * locking semantics of the file system using the protocol. It should * be somewhere else, I'm sure, but right now it isn't. * + * New in version 6: + * - DLM lockres remote refcount fixes. + * * New in version 5: * - Network timeout checking protocol * @@ -51,7 +54,7 @@ * - full 64 bit i_size in the metadata lock lvbs * - introduction of "rw" lock and pushing meta/data locking down */ -#define O2NET_PROTOCOL_VERSION 5ULL +#define O2NET_PROTOCOL_VERSION 6ULL struct o2net_handshake { __be64 protocol_version; __be64 connector_id; |