From patchwork Thu May 19 14:00:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Reinecke X-Patchwork-Id: 12855112 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 D1357C433EF for ; Thu, 19 May 2022 14:02:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233807AbiESOCH (ORCPT ); Thu, 19 May 2022 10:02:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33044 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240215AbiESOBq (ORCPT ); Thu, 19 May 2022 10:01:46 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 33564387A8; Thu, 19 May 2022 07:00:29 -0700 (PDT) Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id B6C2321B99; Thu, 19 May 2022 14:00:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1652968827; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=wTqudo5wQlyg1w3+A05CZWILaGIJg7yHzxFqv2JSStU=; b=w0ZLWhiuwju9XubSFtRcoXD4yjVT0PCiZWtheVeQ6sChohmbUDMjp2n38K0KG2X1nQZKVD zvrFl8hObz+qL8CXBedB816Y89rh+bjtoWkMqbmAjURCZvp7RdE5SbHtu6611E4ibJKrGF FcgPCwkYQSKYcftBqhp4/ZIEFanLw/c= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1652968827; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=wTqudo5wQlyg1w3+A05CZWILaGIJg7yHzxFqv2JSStU=; b=CnOTz4BqfGdcCNEc4CRKGEBskmazrBYgtn7hF32JXyw2Yw71UUalmExWQJvAaDmMJI1ueS 9peAxosgquldp6AQ== Received: from adalid.arch.suse.de (adalid.arch.suse.de [10.161.8.13]) by relay2.suse.de (Postfix) with ESMTP id A982A2C141; Thu, 19 May 2022 14:00:27 +0000 (UTC) Received: by adalid.arch.suse.de (Postfix, from userid 16045) id 9AD545194577; Thu, 19 May 2022 16:00:27 +0200 (CEST) From: Hannes Reinecke To: Jens Axboe Cc: Christoph Hellwig , Keith Busch , linux-block@vger.kernel.org, James Smart , linux-scsi@vger.kernel.org, Hannes Reinecke Subject: [PATCH] blk-cgroup: provide stubs for blkcg_get_fc_appid() Date: Thu, 19 May 2022 16:00:21 +0200 Message-Id: <20220519140021.6905-1-hare@suse.de> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Provide stubs for blkcg_set_fc_appid() and blkcg_get_fc_appid() to allow for compilation with cgroups disabled. Fixes: db05628435aa ("blk-cgroup: move blkcg_{get,set}_fc_appid out of line") Signed-off-by: Hannes Reinecke --- include/linux/blk-cgroup.h | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h index 9f40dbc65f82..4756f4d2b8e7 100644 --- a/include/linux/blk-cgroup.h +++ b/include/linux/blk-cgroup.h @@ -33,6 +33,9 @@ void blkcg_unpin_online(struct cgroup_subsys_state *blkcg_css); struct list_head *blkcg_get_cgwb_list(struct cgroup_subsys_state *css); struct cgroup_subsys_state *bio_blkcg_css(struct bio *bio); +int blkcg_set_fc_appid(char *app_id, u64 cgrp_id, size_t app_id_len); +char *blkcg_get_fc_appid(struct bio *bio); + #else /* CONFIG_BLK_CGROUP */ #define blkcg_root_css ((struct cgroup_subsys_state *)ERR_PTR(-EINVAL)) @@ -44,9 +47,15 @@ static inline struct cgroup_subsys_state *bio_blkcg_css(struct bio *bio) { return NULL; } +static inline int blkcg_set_fc_appid(char *app_id, u64 cgrp_id, + size_t app_id_len) +{ + return -EINVAL; +} +static inline char *blkcg_get_fc_appid(struct bio *bio) +{ + return NULL; +} #endif /* CONFIG_BLK_CGROUP */ -int blkcg_set_fc_appid(char *app_id, u64 cgrp_id, size_t app_id_len); -char *blkcg_get_fc_appid(struct bio *bio); - #endif /* _BLK_CGROUP_H */