[PATCH][SMB3] if max_credits is specified on mount then display it in /proc/mounts

[PATCH][SMB3] if max_credits is specified on mount then display it in /proc/mounts

[Steve French]

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If "max_credits" is overridden from its default by specifying
it on the smb3 mount then display it in /proc/mounts

Signed-off-by: Steve French <stfrench@microsoft.com>
---
 fs/cifs/cifsfs.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index d06edebf3a73..786e07754107 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -554,6 +554,11 @@ cifs_show_options(struct seq_file *s, struct dentry *root)
     seq_printf(s, ",bsize=%u", cifs_sb->bsize);
     seq_printf(s, ",echo_interval=%lu",
             tcon->ses->server->echo_interval / HZ);
+
+    /* Only display max_credits if it was overridden on mount */
+    if (tcon->ses->server->max_credits != SMB2_MAX_CREDITS_AVAILABLE)
+        seq_printf(s, ",max_credits=%u", tcon->ses->server->max_credits);
+
     if (tcon->snapshot_time)
         seq_printf(s, ",snapshot=%llu", tcon->snapshot_time);
     if (tcon->handle_timeout)
-- 


-- 
Thanks,

Steve

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From e35ae1bd6881529e1620e896640116f61a37cf99 Mon Sep 17 00:00:00 2001
From: Steve French <stfrench@microsoft.com>
Date: Mon, 17 Jun 2019 17:34:57 -0500
Subject: [PATCH] smb3: if max_credits is specified then display it in
 /proc/mounts

If "max_credits" is overridden from its default by specifying
it on the smb3 mount then display it in /proc/mounts

Signed-off-by: Steve French <stfrench@microsoft.com>
---
 fs/cifs/cifsfs.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index d06edebf3a73..786e07754107 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -554,6 +554,11 @@ cifs_show_options(struct seq_file *s, struct dentry *root)
 	seq_printf(s, ",bsize=%u", cifs_sb->bsize);
 	seq_printf(s, ",echo_interval=%lu",
 			tcon->ses->server->echo_interval / HZ);
+
+	/* Only display max_credits if it was overridden on mount */
+	if (tcon->ses->server->max_credits != SMB2_MAX_CREDITS_AVAILABLE)
+		seq_printf(s, ",max_credits=%u", tcon->ses->server->max_credits);
+
 	if (tcon->snapshot_time)
 		seq_printf(s, ",snapshot=%llu", tcon->snapshot_time);
 	if (tcon->handle_timeout)
-- 
2.20.1