From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="QEYl1/fw" Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5649419E for ; Thu, 16 Nov 2023 07:53:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1700150007; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=QXSR/5dGYSLLIzkrUqlSUZEGpATfuh7Jb7sNeswoiGc=; b=QEYl1/fwUTqW9eUdnPb38MKuyWkZ5wqyK65U9a6ERHOr6zyUIJsYFW6XIF8xdMGBUeW7OY nLd+AJx6ZnFPPh9eCvGrV9A9KRkJGyfsmfozau02ZnAzZG6BEfSrOlkiz7wtrBkj2L2z+l Pp45tHGsk9ZOC1WAcMAwmE7lxI7pni8= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-50-tVT4BDpqNDOIyaQdbQ-Cdg-1; Thu, 16 Nov 2023 10:53:24 -0500 X-MC-Unique: tVT4BDpqNDOIyaQdbQ-Cdg-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 19A543C0F36D; Thu, 16 Nov 2023 15:53:24 +0000 (UTC) Received: from warthog.procyon.org.com (unknown [10.42.28.16]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4D1A0492BFE; Thu, 16 Nov 2023 15:53:23 +0000 (UTC) From: David Howells To: Marc Dionne Cc: David Howells , linux-afs@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 5/5] afs: Mark a superblock for an R/O or Backup volume as SB_RDONLY Date: Thu, 16 Nov 2023 15:53:12 +0000 Message-ID: <20231116155312.156593-6-dhowells@redhat.com> In-Reply-To: <20231116155312.156593-1-dhowells@redhat.com> References: <20231116155312.156593-1-dhowells@redhat.com> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.10 Mark a superblock that is for for an R/O or Backup volume as SB_RDONLY when mounting it. Signed-off-by: David Howells cc: Marc Dionne cc: linux-afs@lists.infradead.org --- fs/afs/super.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/afs/super.c b/fs/afs/super.c index e95fb4cb4fcd..a01a0fb2cdbb 100644 --- a/fs/afs/super.c +++ b/fs/afs/super.c @@ -407,8 +407,10 @@ static int afs_validate_fc(struct fs_context *fc) return PTR_ERR(volume); ctx->volume = volume; - if (volume->type != AFSVL_RWVOL) + if (volume->type != AFSVL_RWVOL) { ctx->flock_mode = afs_flock_mode_local; + fc->sb_flags |= SB_RDONLY; + } } return 0;