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authorAlexander Aring <aahringo@redhat.com>2021-05-21 22:08:44 +0300
committerDavid Teigland <teigland@redhat.com>2021-05-25 17:22:20 +0300
commit37a247da517f4315eed21585be8aa516e0b9cec9 (patch)
tree592c05c4799c4b2976743915f9989a1438808e19 /fs/dlm
parent2874d1a68c4ec5623a05c8118f5dbaefb30b37ff (diff)
downloadlinux-37a247da517f4315eed21585be8aa516e0b9cec9.tar.xz
fs: dlm: move out some hash functionality
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@redhat.com> Signed-off-by: David Teigland <teigland@redhat.com>
Diffstat (limited to 'fs/dlm')
-rw-r--r--fs/dlm/lowcomms.c9
-rw-r--r--fs/dlm/lowcomms.h10
2 files changed, 10 insertions, 9 deletions
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index df9827ec12f3..1f2759cfda09 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
@@ -175,14 +174,6 @@ 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)
{
struct connection *con;
diff --git a/fs/dlm/lowcomms.h b/fs/dlm/lowcomms.h
index a4384826442c..66dc1bb3de7f 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;