From patchwork Fri Nov 17 21:14:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Howells X-Patchwork-Id: 13459458 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="a6s1YE4C" 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 9B822198B for ; Fri, 17 Nov 2023 13:16:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1700255768; 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=hEis0LpqHig0B1ZU0ewbKxCSS/w/yhv1086SqFY6jkI=; b=a6s1YE4CYOaUrcpX3V7VYp1p67BSGuhLtipDzjC3qSkjZ1yTzqgWOGhTA+IrSrUWyZSxtO nMk5EmqHdahIWfVojmlljxY1874oTr2FEzUb52sX3hWFDeT8B9SPQ0MGGjSCkjVGk02Xwa uAWcPYb2eEcpPCfbRlA6do7QbLI4PGE= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-658-6kgqm_xqNl-O_djWqEdQ7g-1; Fri, 17 Nov 2023 16:16:04 -0500 X-MC-Unique: 6kgqm_xqNl-O_djWqEdQ7g-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (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 E659A185A784; Fri, 17 Nov 2023 21:16:02 +0000 (UTC) Received: from warthog.procyon.org.com (unknown [10.42.28.16]) by smtp.corp.redhat.com (Postfix) with ESMTP id 52EBD2166B29; Fri, 17 Nov 2023 21:16:00 +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-cachefs@redhat.com, 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 Subject: [PATCH v2 04/51] netfs: Add a ->free_subrequest() op Date: Fri, 17 Nov 2023 21:14:56 +0000 Message-ID: <20231117211544.1740466-5-dhowells@redhat.com> In-Reply-To: <20231117211544.1740466-1-dhowells@redhat.com> References: <20231117211544.1740466-1-dhowells@redhat.com> Precedence: bulk X-Mailing-List: linux-cifs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.6 Add a ->free_subrequest() op so that the netfs can clean up data attached to a subrequest. Signed-off-by: David Howells cc: Jeff Layton cc: linux-cachefs@redhat.com cc: linux-fsdevel@vger.kernel.org cc: linux-mm@kvack.org --- fs/netfs/objects.c | 2 ++ include/linux/netfs.h | 1 + 2 files changed, 3 insertions(+) diff --git a/fs/netfs/objects.c b/fs/netfs/objects.c index c4229c5f3f54..1bd20bdad983 100644 --- a/fs/netfs/objects.c +++ b/fs/netfs/objects.c @@ -145,6 +145,8 @@ static void netfs_free_subrequest(struct netfs_io_subrequest *subreq, struct netfs_io_request *rreq = subreq->rreq; trace_netfs_sreq(subreq, netfs_sreq_trace_free); + if (rreq->netfs_ops->free_subrequest) + rreq->netfs_ops->free_subrequest(subreq); kfree(subreq); netfs_stat_d(&netfs_n_rh_sreq); netfs_put_request(rreq, was_async, netfs_rreq_trace_put_subreq); diff --git a/include/linux/netfs.h b/include/linux/netfs.h index ddd55b35e650..0633cd9644e1 100644 --- a/include/linux/netfs.h +++ b/include/linux/netfs.h @@ -216,6 +216,7 @@ struct netfs_request_ops { unsigned int io_subrequest_size; /* Alloc size for netfs_io_subrequest struct */ int (*init_request)(struct netfs_io_request *rreq, struct file *file); void (*free_request)(struct netfs_io_request *rreq); + void (*free_subrequest)(struct netfs_io_subrequest *rreq); int (*begin_cache_operation)(struct netfs_io_request *rreq); void (*expand_readahead)(struct netfs_io_request *rreq);