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authorJeff Layton <jlayton@redhat.com>2012-01-17 16:09:15 -0500
committerSteve French <smfrench@gmail.com>2012-01-17 22:40:31 -0600
commit789b4588da40cf572ef982bdc5d590ec1b0386fe (patch)
treeafea2105e4f057722792a72db49aa21457ad65c8 /fs/cifs/cifs_debug.c
parent8a8798a5ff90977d6459ce1d657cf8fe13a51e97 (diff)
downloadlinux-789b4588da40cf572ef982bdc5d590ec1b0386fe.tar.gz
cifs: warn about impending deprecation of legacy MultiuserMount code
We'll allow a grace period of 2 releases (3.3 and 3.4) and then remove
the legacy code in 3.5.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Diffstat (limited to 'fs/cifs/cifs_debug.c')
-rw-r--r--fs/cifs/cifs_debug.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
index 84e8c0724704..24b3dfc05282 100644
--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -676,14 +676,23 @@ static ssize_t cifs_multiuser_mount_proc_write(struct file *file,
 {
 	char c;
 	int rc;
+	static bool warned;
 
 	rc = get_user(c, buffer);
 	if (rc)
 		return rc;
 	if (c == '0' || c == 'n' || c == 'N')
 		multiuser_mount = 0;
-	else if (c == '1' || c == 'y' || c == 'Y')
+	else if (c == '1' || c == 'y' || c == 'Y') {
 		multiuser_mount = 1;
+		if (!warned) {
+			warned = true;
+			printk(KERN_WARNING "CIFS VFS: The legacy multiuser "
+				"mount code is scheduled to be deprecated in "
+				"3.5. Please switch to using the multiuser "
+				"mount option.");
+		}
+	}
 
 	return count;
 }