[Ocfs2-devel] [PATCH 4/6] Pass ocfs2_cluster_connection to ocfs2_this_node
Mark Fasheh
mfasheh at suse.de
Mon Nov 25 15:21:32 PST 2013
I reviewed and ack'd this one last time so you can leave:
Reviewed-by: Mark Fasheh <mfasheh at suse.de>
With the patch next time you post it.
--Mark
On Tue, Nov 12, 2013 at 08:07:27AM -0600, Goldwyn Rodrigues wrote:
> This is done to differentiate between using and not using controld
> and use the connection information accordingly.
> We need to be backward compatible. So, we use a new enum
> ocfs2_connection_type to identify when controld is used and when
> it is not.
>
> Signed-off-by: Goldwyn Rodrigues <rgoldwyn at suse.com>
> ---
> fs/ocfs2/dlmglue.c | 2 +-
> fs/ocfs2/stack_o2cb.c | 3 ++-
> fs/ocfs2/stack_user.c | 16 ++++++++++++++--
> fs/ocfs2/stackglue.c | 5 +++--
> fs/ocfs2/stackglue.h | 6 ++++--
> 5 files changed, 24 insertions(+), 8 deletions(-)
>
> diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
> index 7c57de3..f2d48c8 100644
> --- a/fs/ocfs2/dlmglue.c
> +++ b/fs/ocfs2/dlmglue.c
> @@ -3007,7 +3007,7 @@ int ocfs2_dlm_init(struct ocfs2_super *osb)
> goto bail;
> }
>
> - status = ocfs2_cluster_this_node(&osb->node_num);
> + status = ocfs2_cluster_this_node(conn, &osb->node_num);
> if (status < 0) {
> mlog_errno(status);
> mlog(ML_ERROR,
> diff --git a/fs/ocfs2/stack_o2cb.c b/fs/ocfs2/stack_o2cb.c
> index bf1f893..1724d43 100644
> --- a/fs/ocfs2/stack_o2cb.c
> +++ b/fs/ocfs2/stack_o2cb.c
> @@ -398,7 +398,8 @@ static int o2cb_cluster_disconnect(struct ocfs2_cluster_connection *conn)
> return 0;
> }
>
> -static int o2cb_cluster_this_node(unsigned int *node)
> +static int o2cb_cluster_this_node(struct ocfs2_cluster_connection *conn,
> + unsigned int *node)
> {
> int node_num;
>
> diff --git a/fs/ocfs2/stack_user.c b/fs/ocfs2/stack_user.c
> index 0afb86d..22b95ac 100644
> --- a/fs/ocfs2/stack_user.c
> +++ b/fs/ocfs2/stack_user.c
> @@ -103,6 +103,11 @@
> #define OCFS2_CONTROL_MESSAGE_VERNUM_LEN 2
> #define OCFS2_CONTROL_MESSAGE_NODENUM_LEN 8
>
> +enum ocfs2_connection_type {
> + WITH_CONTROLD,
> + NO_CONTROLD
> +};
> +
> /*
> * ocfs2_live_connection is refcounted because the filesystem and
> * miscdevice sides can detach in different order. Let's just be safe.
> @@ -110,6 +115,7 @@
> struct ocfs2_live_connection {
> struct list_head oc_list;
> struct ocfs2_cluster_connection *oc_conn;
> + enum ocfs2_connection_type oc_type;
> atomic_t oc_this_node;
> int oc_our_slot;
> };
> @@ -840,6 +846,7 @@ static int user_cluster_connect(struct ocfs2_cluster_connection *conn)
> goto out;
> }
>
> + lc->oc_type = WITH_CONTROLD;
> rc = ocfs2_live_connection_attach(conn, lc);
> if (rc)
> goto out;
> @@ -886,11 +893,16 @@ static int user_cluster_disconnect(struct ocfs2_cluster_connection *conn)
> return 0;
> }
>
> -static int user_cluster_this_node(unsigned int *this_node)
> +static int user_cluster_this_node(struct ocfs2_cluster_connection *conn,
> + unsigned int *this_node)
> {
> int rc;
> + struct ocfs2_live_connection *lc = conn->cc_private;
>
> - rc = ocfs2_control_get_this_node();
> + if (lc->oc_type == WITH_CONTROLD)
> + rc = ocfs2_control_get_this_node();
> + else
> + rc = -EINVAL;
> if (rc < 0)
> return rc;
>
> diff --git a/fs/ocfs2/stackglue.c b/fs/ocfs2/stackglue.c
> index 58b53f9..ffece04 100644
> --- a/fs/ocfs2/stackglue.c
> +++ b/fs/ocfs2/stackglue.c
> @@ -465,9 +465,10 @@ void ocfs2_cluster_hangup(const char *group, int grouplen)
> }
> EXPORT_SYMBOL_GPL(ocfs2_cluster_hangup);
>
> -int ocfs2_cluster_this_node(unsigned int *node)
> +int ocfs2_cluster_this_node(struct ocfs2_cluster_connection *conn,
> + unsigned int *node)
> {
> - return active_stack->sp_ops->this_node(node);
> + return active_stack->sp_ops->this_node(conn, node);
> }
> EXPORT_SYMBOL_GPL(ocfs2_cluster_this_node);
>
> diff --git a/fs/ocfs2/stackglue.h b/fs/ocfs2/stackglue.h
> index b46fd51..d7bc4d0 100644
> --- a/fs/ocfs2/stackglue.h
> +++ b/fs/ocfs2/stackglue.h
> @@ -157,7 +157,8 @@ struct ocfs2_stack_operations {
> * ->this_node() returns the cluster's unique identifier for the
> * local node.
> */
> - int (*this_node)(unsigned int *node);
> + int (*this_node)(struct ocfs2_cluster_connection *conn,
> + unsigned int *node);
>
> /*
> * Call the underlying dlm lock function. The ->dlm_lock()
> @@ -267,7 +268,8 @@ int ocfs2_cluster_connect_agnostic(const char *group,
> int ocfs2_cluster_disconnect(struct ocfs2_cluster_connection *conn,
> int hangup_pending);
> void ocfs2_cluster_hangup(const char *group, int grouplen);
> -int ocfs2_cluster_this_node(unsigned int *node);
> +int ocfs2_cluster_this_node(struct ocfs2_cluster_connection *conn,
> + unsigned int *node);
>
> struct ocfs2_lock_res;
> int ocfs2_dlm_lock(struct ocfs2_cluster_connection *conn,
> --
> 1.8.1.4
>
>
> --
> Goldwyn
>
> _______________________________________________
> Ocfs2-devel mailing list
> Ocfs2-devel at oss.oracle.com
> https://oss.oracle.com/mailman/listinfo/ocfs2-devel
--
Mark Fasheh
More information about the Ocfs2-devel
mailing list