linux-kernel - [PATCH 4.4 063/160] smb3: allow stats which track session and share reconnects to be reset

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Date:   Mon, 19 Nov 2018 17:28:22 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Steve French <stfrench@...rosoft.com>,
        Aurelien Aptel <aaptel@...e.com>
Subject: [PATCH 4.4 063/160] smb3: allow stats which track session and share reconnects to be reset

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Steve French <stfrench@...rosoft.com>

commit 2c887635cd6ab3af619dc2be94e5bf8f2e172b78 upstream.

Currently, "echo 0 > /proc/fs/cifs/Stats" resets all of the stats
except the session and share reconnect counts.  Fix it to
reset those as well.

CC: Stable <stable@...r.kernel.org>
Signed-off-by: Steve French <stfrench@...rosoft.com>
Reviewed-by: Aurelien Aptel <aaptel@...e.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 fs/cifs/cifs_debug.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -285,6 +285,9 @@ static ssize_t cifs_stats_proc_write(str
 		atomic_set(&totBufAllocCount, 0);
 		atomic_set(&totSmBufAllocCount, 0);
 #endif /* CONFIG_CIFS_STATS2 */
+		atomic_set(&tcpSesReconnectCount, 0);
+		atomic_set(&tconInfoReconnectCount, 0);
+
 		spin_lock(&GlobalMid_Lock);
 		GlobalMaxActiveXid = 0;
 		GlobalCurrentXid = 0;