From patchwork Thu Mar 13 23:33:22 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Howells X-Patchwork-Id: 873493 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B4F071FDA6D for ; Thu, 13 Mar 2025 23:35:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741908948; cv=none; b=rzYPFbNhmu7hTCaTNeRIM17oK0lfJK1HfgUZCnXoHhYqJv6k+v5BaHHfnPkkQ9gtmBQSqQa21YuQSTK4YV30arsm87JG0HZsNnNpDHyMWCN//h7oqk8OmFyqMfCw+KAUkU5tJDQPHuu7eFNb3ALsDGrhauqFjX9gJg52A5W65tY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741908948; c=relaxed/simple; bh=uny3v++/iPmenzGDz3NHnhj0MBwuYiajQoqDAzVy0pY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YpctnI+A/8jrdV1JV/vIekUvZbRK4JVPcKCga2kLc4mTQRZtz/vtOTrEYSxjgsSjDJK33HVci5O2X7cYrqdatGFkpnpm4J62zf+o+5jNUTOHaa/ZYxr4j3Ct2LuoVli2bE2/Y0mxqekdb0rJ1mosK/hKbCYe9tsCTquNryk2cyU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=VqLnLSat; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="VqLnLSat" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1741908945; 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=cCZDwnJsjHU0vEGdI7THy8y1XEAMyhcYhOuUJ0O6NiA=; b=VqLnLSat0U+8a3BkmpYaBXmj7/dY3GzJtREFfoK8wYzwXXIVPBr8+8CEKA5gCO6tYYuZWN O8zrh5tGJaMtDcnVA9a6evDLbxU/1l+/0YVDwE3B9zipCenZgUmBQf4+7uikyw4oOr+oqZ vk58/wQ1+Y2wwe3qfUxM/h2j2T3GQbo= Received: from mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-369-EjBfogNUNre6JggkmeyI-w-1; Thu, 13 Mar 2025 19:35:42 -0400 X-MC-Unique: EjBfogNUNre6JggkmeyI-w-1 X-Mimecast-MFC-AGG-ID: EjBfogNUNre6JggkmeyI-w_1741908941 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (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 mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 35D461955E90; Thu, 13 Mar 2025 23:35:41 +0000 (UTC) Received: from warthog.procyon.org.com (unknown [10.42.28.61]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id DFE501955BCB; Thu, 13 Mar 2025 23:35:38 +0000 (UTC) From: David Howells To: Viacheslav Dubeyko , Alex Markuze Cc: David Howells , Ilya Dryomov , Jeff Layton , Dongsheng Yang , ceph-devel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH 30/35] netfs: Make netfs_page_mkwrite() use folio_mkwrite_check_truncate() Date: Thu, 13 Mar 2025 23:33:22 +0000 Message-ID: <20250313233341.1675324-31-dhowells@redhat.com> In-Reply-To: <20250313233341.1675324-1-dhowells@redhat.com> References: <20250313233341.1675324-1-dhowells@redhat.com> Precedence: bulk X-Mailing-List: ceph-devel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 Make netfs_page_mkwrite() use folio_mkwrite_check_truncate() rather than doing the checks itself (and it doesn't currently do all the checks). Signed-off-by: David Howells cc: Jeff Layton cc: Viacheslav Dubeyko cc: Alex Markuze cc: Ilya Dryomov cc: ceph-devel@vger.kernel.org cc: linux-fsdevel@vger.kernel.org --- fs/netfs/buffered_write.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/netfs/buffered_write.c b/fs/netfs/buffered_write.c index 12ddbe9bc78b..64a0f0620399 100644 --- a/fs/netfs/buffered_write.c +++ b/fs/netfs/buffered_write.c @@ -506,7 +506,7 @@ vm_fault_t netfs_page_mkwrite(struct vm_fault *vmf, struct netfs_group *netfs_gr if (folio_lock_killable(folio) < 0) goto out; - if (folio->mapping != mapping) + if (folio_mkwrite_check_truncate(folio, inode) < 0) goto unlock; if (folio_wait_writeback_killable(folio) < 0) goto unlock;