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Message-Id: <1352407828-23339-1-git-send-email-chris.j.arges@canonical.com>
Date: Thu, 8 Nov 2012 14:50:28 -0600
From: Chris J Arges <chris.j.arges@...onical.com>
To: Steve French <sfrench@...ba.org>
Cc: linux-cifs@...r.kernel.org, samba-technical@...ts.samba.org,
linux-kernel@...r.kernel.org,
Chris J Arges <chris.j.arges@...onical.com>
Subject: [PATCH cifs-next] fs: cifs: make smb_echo_interval tunable
Change SMB_ECHO_INTERVAL to make it a module parameter.
BugLink: http://bugs.launchpad.net/bugs/1017622
BugLink: https://bugzilla.samba.org/show_bug.cgi?id=9006
Reported-by: Oliver Dumschat-Hoette <dumschat-hoette@...sinus.de>
Signed-off-by: Chris J Arges <chris.j.arges@...onical.com>
---
fs/cifs/cifsfs.c | 5 +++++
fs/cifs/cifsglob.h | 5 +++--
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 5e62f44..25748b3 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -82,6 +82,11 @@ MODULE_PARM_DESC(cifs_max_pending, "Simultaneous requests to server. "
module_param(enable_oplocks, bool, 0644);
MODULE_PARM_DESC(enable_oplocks, "Enable or disable oplocks. Default: y/Y/1");
+unsigned short smb_echo_timeout = 60;
+module_param(smb_echo_timeout, ushort, 0644);
+MODULE_PARM_DESC(smb_echo_timeout, "Timeout between two echo requests. "
+ "Default: 60. Timeout in seconds ");
+
extern mempool_t *cifs_sm_req_poolp;
extern mempool_t *cifs_req_poolp;
extern mempool_t *cifs_mid_poolp;
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index f5af252..d64dcd3 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -78,8 +78,9 @@
/* (max path length + 1 for null) * 2 for unicode */
#define MAX_NAME 514
-/* SMB echo "timeout" -- FIXME: tunable? */
-#define SMB_ECHO_INTERVAL (60 * HZ)
+/* SMB echo "timeout" */
+extern unsigned short smb_echo_timeout;
+#define SMB_ECHO_INTERVAL (smb_echo_timeout * HZ)
#include "cifspdu.h"
--
1.7.10.4
--
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