smb/client: show compress mount option

Example:

  1. mount -t cifs -o compress //localhost/test /mnt
  2. mount | grep cifs
     //localhost/test on /mnt type cifs (..., compress, ...)

Signed-off-by: ChenXiaoSong <chenxiaosong@kylinos.cn>
Signed-off-by: Steve French <stfrench@microsoft.com>

diff --git a/fs/smb/client/cifsfs.c b/fs/smb/client/cifsfs.c
index 1788d93a252246ebb0fae1e8cb7026e04fd7d363..a1dacc7d8f74b65cb9e8ac1ae21d2ba727221d7d 100644 (file)
--- a/fs/smb/client/cifsfs.c
+++ b/fs/smb/client/cifsfs.c
@@ -692,6 +692,8 @@ cifs_show_options(struct seq_file *s, struct dentry *root)
                seq_puts(s, ",seal");
        else if (tcon->ses->server->ignore_signature)
                seq_puts(s, ",signloosely");
+       if (cifs_sb->ctx->compress)
+               seq_puts(s, ",compress");
        if (tcon->nocase)
                seq_puts(s, ",nocase");
        if (tcon->nodelete)