From: Suresh Jayaraman <sjayaraman@suse.com>
Date: Wed, 12 Oct 2011 06:21:53 +0000 (+0530)
Subject: cifs: warn about deprecation of /proc/fs/cifs/OplockEnabled interface
X-Git-Tag: next-20111013~84^2~2
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ba8ad28ae061cefde2b99f06a8284cdfe7213754;p=karo-tx-linux.git

cifs: warn about deprecation of /proc/fs/cifs/OplockEnabled interface

The plan is to deprecate this interface by kernel version 3.4.

Changes since v1
   - add a '\n' to the printk.

Reported-by: Alexander Swen <alex@swen.nu>
Cc: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de>
Signed-off-by: Steve French <smfrench@gmail.com>
---

diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
index e1715313f398..84e8c0724704 100644
--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -526,6 +526,9 @@ static ssize_t cifs_oplock_proc_write(struct file *file,
 	char c;
 	int rc;
 
+	printk(KERN_WARNING "CIFS: The /proc/fs/cifs/OplockEnabled interface "
+	       "will be removed in kernel version 3.4. Please migrate to "
+	       "using the 'enable_oplocks' module parameter in cifs.ko.\n");
 	rc = get_user(c, buffer);
 	if (rc)
 		return rc;