>From f9e63b1a6a1af856ce6f82710368924386353196 Mon Sep 17 00:00:00 2001
From: Patrick Caulfield <[email protected]>
Date: Mon, 22 Jan 2007 14:50:10 +0000
Subject: [PATCH] [DLM] lowcomms tidy
This patch removes some redundant fields from the connection structure and adds
some lockdep annotation to remove spurious warnings.
Signed-Off-By: Patrick Caulfield <[email protected]>
Signed-off-by: Steven Whitehouse <[email protected]>
diff --git a/fs/dlm/lowcomms-tcp.c b/fs/dlm/lowcomms-tcp.c
index 86e5f81..6e27201 100644
--- a/fs/dlm/lowcomms-tcp.c
+++ b/fs/dlm/lowcomms-tcp.c
@@ -97,9 +97,6 @@ struct connection {
struct socket *sock; /* NULL if not connected */
uint32_t nodeid; /* So we know who we are in the list */
struct rw_semaphore sock_sem; /* Stop connect races */
- struct list_head read_list; /* On this list when ready for reading */
- struct list_head write_list; /* On this list when ready for writing */
- struct list_head state_list; /* On this list when ready to connect */
unsigned long flags; /* bit 1,2 = We are on the read/write lists */
#define CF_READ_PENDING 1
#define CF_WRITE_PENDING 2
@@ -391,7 +388,7 @@ static int accept_from_sock(struct connection *con)
if (result < 0)
return -ENOMEM;
- down_read(&con->sock_sem);
+ down_read_nested(&con->sock_sem, 0);
result = -ENOTCONN;
if (con->sock == NULL)
@@ -434,7 +431,7 @@ static int accept_from_sock(struct connection *con)
result = -ENOMEM;
goto accept_err;
}
- down_write(&newcon->sock_sem);
+ down_write_nested(&newcon->sock_sem, 1);
if (newcon->sock) {
struct connection *othercon = newcon->othercon;
--
1.4.4.2
-
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