When "multichannel" is specified on mount, make sure to default to
at least two channels.
--
Thanks,
Steve
From ed58e117d1dc4b8aa317b251626958b5ffb06f5d Mon Sep 17 00:00:00 2001
From: Steve French <stfrench@xxxxxxxxxxxxx>
Date: Tue, 2 Jun 2020 23:17:16 -0500
Subject: [PATCH] smb3: default to minimum of two channels when multichannel
specified
When "multichannel" is specified on mount, make sure to default to
at least two channels.
Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx>
---
fs/cifs/connect.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index daf90f988de1..fdfd7cf4c720 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1964,9 +1964,13 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
break;
case Opt_multichannel:
vol->multichannel = true;
+ /* if number of channels not specified, default to 2 */
+ if (vol->max_channels < 2)
+ vol->max_channels = 2;
break;
case Opt_nomultichannel:
vol->multichannel = false;
+ vol->max_channels = 1;
break;
case Opt_compress:
vol->compression = UNKNOWN_TYPE;
--
2.25.1
