From patchwork Wed Aug 14 20:38:30 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Howells X-Patchwork-Id: 13764074 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 118A51D54EC for ; Wed, 14 Aug 2024 20:40:24 +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=1723668028; cv=none; b=F3SGCrVRJUrQAGcVuCRnvd2zeb9lDQM2HQp1fIuCQmRbuTswCyWw85mbYmsfet6YGYxAHNOJb/3a+VSs76fKQtD8G5frXj4s0q9uSDX5CXalxSpoN/AAxvS06CbcSBtKmP5U5MW2gw7LN66wmitH7eAHuiYCzztfwBDTrJTMDyg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723668028; c=relaxed/simple; bh=Ldx7tssIVah3LxCRKpQKxn6JsRLlHXO/fkq7QzwY3D4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KcRzu2J5ny2HG5pWCyOm2q9sTlq6oHDFi1D7DmA/bI61xNFO/Q4fzI0zkI5lfSHXskujq7F3+2xhNHDEp7e0jwnVHC/LnaRzvz3Zivj+HsKtsF9tvq+Uj9bpqjcb1T0U9B/e7XwVaREm4WaZ+nSbUjjAX2KP5Sm0WP5cYBJYQps= 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=adlhcfdi; 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="adlhcfdi" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1723668024; 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=Ysayb5RXeXC3/aarWcnK8uuWcOM3GXCwJSpymUE1G5c=; b=adlhcfdi9PUXi4X+8PE2ZcETnFYxxDTkszLscdiHuT142GOMye84GuGHxyE5BnIPH+YNY2 YNee2PBs2HNupBnM76qZ/Oahpw39/xHQRJNtWzKdzOpjwQ+3pAQrsHPcRNXv6Y4QOlpuis U+OKrXa6BUumF46HNLkIdA6Y2VSZy3w= 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-375-LKaV8qK4MgahAHzEnVal2w-1; Wed, 14 Aug 2024 16:40:21 -0400 X-MC-Unique: LKaV8qK4MgahAHzEnVal2w-1 Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (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 4EC7918EB232; Wed, 14 Aug 2024 20:40:18 +0000 (UTC) Received: from warthog.procyon.org.uk.com (unknown [10.42.28.30]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id B01791955E8C; Wed, 14 Aug 2024 20:40:12 +0000 (UTC) From: David Howells To: Christian Brauner , Steve French , Matthew Wilcox Cc: David Howells , Jeff Layton , Gao Xiang , Dominique Martinet , Marc Dionne , Paulo Alcantara , Shyam Prasad N , Tom Talpey , Eric Van Hensbergen , Ilya Dryomov , netfs@lists.linux.dev, 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-erofs@lists.ozlabs.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 10/25] netfs: Set the request work function upon allocation Date: Wed, 14 Aug 2024 21:38:30 +0100 Message-ID: <20240814203850.2240469-11-dhowells@redhat.com> In-Reply-To: <20240814203850.2240469-1-dhowells@redhat.com> References: <20240814203850.2240469-1-dhowells@redhat.com> Precedence: bulk X-Mailing-List: v9fs@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Set the work function in the netfs_io_request work_struct when we allocate the request rather than doing this later. This reduces the number of places we need to set it in future code. Signed-off-by: David Howells cc: Jeff Layton cc: netfs@lists.linux.dev cc: linux-fsdevel@vger.kernel.org --- fs/netfs/internal.h | 1 + fs/netfs/io.c | 4 +--- fs/netfs/objects.c | 9 ++++++++- fs/netfs/write_issue.c | 1 - 4 files changed, 10 insertions(+), 5 deletions(-) diff --git a/fs/netfs/internal.h b/fs/netfs/internal.h index 9e6e0e59d7e4..f2920b4ee726 100644 --- a/fs/netfs/internal.h +++ b/fs/netfs/internal.h @@ -29,6 +29,7 @@ int netfs_prefetch_for_write(struct file *file, struct folio *folio, /* * io.c */ +void netfs_rreq_work(struct work_struct *work); int netfs_begin_read(struct netfs_io_request *rreq, bool sync); /* diff --git a/fs/netfs/io.c b/fs/netfs/io.c index ce3e821b4e4f..8b9aaa99d787 100644 --- a/fs/netfs/io.c +++ b/fs/netfs/io.c @@ -422,7 +422,7 @@ static void netfs_rreq_assess(struct netfs_io_request *rreq, bool was_async) netfs_rreq_completed(rreq, was_async); } -static void netfs_rreq_work(struct work_struct *work) +void netfs_rreq_work(struct work_struct *work) { struct netfs_io_request *rreq = container_of(work, struct netfs_io_request, work); @@ -734,8 +734,6 @@ int netfs_begin_read(struct netfs_io_request *rreq, bool sync) // TODO: Use bounce buffer if requested rreq->io_iter = rreq->iter; - INIT_WORK(&rreq->work, netfs_rreq_work); - /* Chop the read into slices according to what the cache and the netfs * want and submit each one. */ diff --git a/fs/netfs/objects.c b/fs/netfs/objects.c index 0294df70c3ff..d6e9785ce7a3 100644 --- a/fs/netfs/objects.c +++ b/fs/netfs/objects.c @@ -48,9 +48,16 @@ struct netfs_io_request *netfs_alloc_request(struct address_space *mapping, INIT_LIST_HEAD(&rreq->io_streams[0].subrequests); INIT_LIST_HEAD(&rreq->io_streams[1].subrequests); INIT_LIST_HEAD(&rreq->subrequests); - INIT_WORK(&rreq->work, NULL); refcount_set(&rreq->ref, 1); + if (origin == NETFS_READAHEAD || + origin == NETFS_READPAGE || + origin == NETFS_READ_FOR_WRITE || + origin == NETFS_DIO_READ) + INIT_WORK(&rreq->work, netfs_rreq_work); + else + INIT_WORK(&rreq->work, netfs_write_collection_worker); + __set_bit(NETFS_RREQ_IN_PROGRESS, &rreq->flags); if (file && file->f_flags & O_NONBLOCK) __set_bit(NETFS_RREQ_NONBLOCK, &rreq->flags); diff --git a/fs/netfs/write_issue.c b/fs/netfs/write_issue.c index 34e541afd79b..41db709ca1d3 100644 --- a/fs/netfs/write_issue.c +++ b/fs/netfs/write_issue.c @@ -109,7 +109,6 @@ struct netfs_io_request *netfs_create_write_req(struct address_space *mapping, wreq->contiguity = wreq->start; wreq->cleaned_to = wreq->start; - INIT_WORK(&wreq->work, netfs_write_collection_worker); wreq->io_streams[0].stream_nr = 0; wreq->io_streams[0].source = NETFS_UPLOAD_TO_SERVER;