[Cluster-devel] [RFC PATCH dlm/next 11/16] fs: dlm: move out some hash functionality
Alexander Aring
aahringo at redhat.com
Fri Nov 13 22:58:09 UTC 2020
This patch moves out some lowcomms hash functionality into lowcomms
header to provide them to other layers like midcomms as well.
Signed-off-by: Alexander Aring <aahringo at redhat.com>
---
fs/dlm/lowcomms.c | 9 ---------
fs/dlm/lowcomms.h | 10 ++++++++++
2 files changed, 10 insertions(+), 9 deletions(-)
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 0ef1a1ffd301..a90999e1f306 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -59,7 +59,6 @@
#include "config.h"
#define NEEDED_RMEM (4*1024*1024)
-#define CONN_HASH_SIZE 32
/* Number of messages to send before rescheduling */
#define MAX_SEND_MSG_COUNT 25
@@ -165,14 +164,6 @@ static void sctp_connect_to_sock(struct connection *con);
static void tcp_connect_to_sock(struct connection *con);
static void dlm_tcp_shutdown(struct connection *con);
-/* This is deliberately very simple because most clusters have simple
- sequential nodeids, so we should be able to go straight to a connection
- struct in the array */
-static inline int nodeid_hash(int nodeid)
-{
- return nodeid & (CONN_HASH_SIZE-1);
-}
-
static struct connection *__find_con(int nodeid)
{
int r, idx;
diff --git a/fs/dlm/lowcomms.h b/fs/dlm/lowcomms.h
index 30924b6f03e1..8286531f9a9e 100644
--- a/fs/dlm/lowcomms.h
+++ b/fs/dlm/lowcomms.h
@@ -13,6 +13,16 @@
#define __LOWCOMMS_DOT_H__
#define LOWCOMMS_MAX_TX_BUFFER_LEN 4096
+#define CONN_HASH_SIZE 32
+
+/* This is deliberately very simple because most clusters have simple
+ * sequential nodeids, so we should be able to go straight to a connection
+ * struct in the array
+ */
+static inline int nodeid_hash(int nodeid)
+{
+ return nodeid & (CONN_HASH_SIZE-1);
+}
/* switch to check if dlm is running */
extern int dlm_allow_conn;
--
2.26.2
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