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>

diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index d06edebf3a73ab36da7dfe2bd56202feef1a4bdf..786e07754107290a0024265da53925a8d828566c 100644 (file)
--- 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)