From patchwork Fri Oct 13 16:03:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Howells X-Patchwork-Id: 13421318 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6C105CDB485 for ; Fri, 13 Oct 2023 16:07:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232624AbjJMQHO (ORCPT ); Fri, 13 Oct 2023 12:07:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40938 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232629AbjJMQGW (ORCPT ); Fri, 13 Oct 2023 12:06:22 -0400 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 144AC10E for ; Fri, 13 Oct 2023 09:05:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1697213130; 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=Hms+OxujO9sLX9/qumf5gjzFiznbdtqDuL9OGzZ3468=; b=ABmMrrU4uHgi7lEkrJeMUUwTDkbM63ZoMTTsujfN8ZApll0vXFqA0aZkp3q3D/gmiFGsbg xo+vp/FgiFT1kBOTYkQ++d+icXEEym0qtqoPN0GIBwryoSrUCvNqr0mZuUu+11pe78U7yO yLIbR1GkQaDxXNkWK9wg8LSA1UH1PZk= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-336-F7n1hDLgPkOovJNiv4j3xA-1; Fri, 13 Oct 2023 12:05:28 -0400 X-MC-Unique: F7n1hDLgPkOovJNiv4j3xA-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 1006A801234; Fri, 13 Oct 2023 16:05:27 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.42.28.226]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7CCBB1C06535; Fri, 13 Oct 2023 16:05:24 +0000 (UTC) From: David Howells To: Jeff Layton , Steve French Cc: David Howells , Matthew Wilcox , Marc Dionne , Paulo Alcantara , Shyam Prasad N , Tom Talpey , Dominique Martinet , Ilya Dryomov , Christian Brauner , linux-afs@lists.infradead.org, linux-cifs@vger.kernel.org, linux-nfs@vger.kernel.org, ceph-devel@vger.kernel.org, v9fs@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-cachefs@redhat.com Subject: [RFC PATCH 18/53] netfs: Add a hook to allow tell the netfs to update its i_size Date: Fri, 13 Oct 2023 17:03:47 +0100 Message-ID: <20231013160423.2218093-19-dhowells@redhat.com> In-Reply-To: <20231013160423.2218093-1-dhowells@redhat.com> References: <20231013160423.2218093-1-dhowells@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.7 Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org Add a hook for netfslib's write helpers to call to tell the network filesystem that it should update its i_size. Signed-off-by: David Howells cc: Jeff Layton cc: linux-cachefs@redhat.com cc: linux-fsdevel@vger.kernel.org cc: linux-mm@kvack.org --- include/linux/netfs.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/linux/netfs.h b/include/linux/netfs.h index 4115274e3129..39b3eeefa03c 100644 --- a/include/linux/netfs.h +++ b/include/linux/netfs.h @@ -250,6 +250,7 @@ struct netfs_request_ops { void (*free_subrequest)(struct netfs_io_subrequest *rreq); int (*begin_cache_operation)(struct netfs_io_request *rreq); + /* Read request handling */ void (*expand_readahead)(struct netfs_io_request *rreq); bool (*clamp_length)(struct netfs_io_subrequest *subreq); void (*issue_read)(struct netfs_io_subrequest *subreq); @@ -257,6 +258,9 @@ struct netfs_request_ops { int (*check_write_begin)(struct file *file, loff_t pos, unsigned len, struct folio **foliop, void **_fsdata); void (*done)(struct netfs_io_request *rreq); + + /* Modification handling */ + void (*update_i_size)(struct inode *inode, loff_t i_size); }; /*