Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752515AbbK1PvA (ORCPT ); Sat, 28 Nov 2015 10:51:00 -0500 Received: from mail-wm0-f52.google.com ([74.125.82.52]:36563 "EHLO mail-wm0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752103AbbK1Ptp (ORCPT ); Sat, 28 Nov 2015 10:49:45 -0500 From: =?UTF-8?q?Matias=20Bj=C3=B8rling?= To: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, axboe@fb.com Cc: hch@infradead.org, keith.busch@intel.com, sudipm.mukherjee@gmail.com, ww.tao0320@gmail.com, =?UTF-8?q?Matias=20Bj=C3=B8rling?= Subject: [PATCH 1/7] lightnvm: Simplify config when disabled Date: Sat, 28 Nov 2015 16:49:22 +0100 Message-Id: <1448725768-11992-2-git-send-email-m@bjorling.me> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1448725768-11992-1-git-send-email-m@bjorling.me> References: <1448725768-11992-1-git-send-email-m@bjorling.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2680 Lines: 87 From: Keith Busch We shouldn't compile an object file to get empty implementations; conforms to linux coding style on conditional compilation. Signed-off-by: Keith Busch Signed-off-by: Matias Bjørling --- drivers/nvme/host/Makefile | 3 ++- drivers/nvme/host/lightnvm.c | 13 ------------- drivers/nvme/host/nvme.h | 14 ++++++++++++++ 3 files changed, 16 insertions(+), 14 deletions(-) diff --git a/drivers/nvme/host/Makefile b/drivers/nvme/host/Makefile index 219dc206..a5fe239 100644 --- a/drivers/nvme/host/Makefile +++ b/drivers/nvme/host/Makefile @@ -1,4 +1,5 @@ obj-$(CONFIG_BLK_DEV_NVME) += nvme.o -nvme-y += pci.o scsi.o lightnvm.o +lightnvm-$(CONFIG_NVM) := lightnvm.o +nvme-y += pci.o scsi.o $(lightnvm-y) diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c index 9202d1a..07451d6 100644 --- a/drivers/nvme/host/lightnvm.c +++ b/drivers/nvme/host/lightnvm.c @@ -22,8 +22,6 @@ #include "nvme.h" -#ifdef CONFIG_NVM - #include #include #include @@ -588,14 +586,3 @@ int nvme_nvm_ns_supported(struct nvme_ns *ns, struct nvme_id_ns *id) return 0; } -#else -int nvme_nvm_register(struct request_queue *q, char *disk_name) -{ - return 0; -} -void nvme_nvm_unregister(struct request_queue *q, char *disk_name) {}; -int nvme_nvm_ns_supported(struct nvme_ns *ns, struct nvme_id_ns *id) -{ - return 0; -} -#endif /* CONFIG_NVM */ diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index fdb4e5b..044253d 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -136,8 +136,22 @@ int nvme_sg_io(struct nvme_ns *ns, struct sg_io_hdr __user *u_hdr); int nvme_sg_io32(struct nvme_ns *ns, unsigned long arg); int nvme_sg_get_version_num(int __user *ip); +#ifdef CONFIG_NVM int nvme_nvm_ns_supported(struct nvme_ns *ns, struct nvme_id_ns *id); int nvme_nvm_register(struct request_queue *q, char *disk_name); void nvme_nvm_unregister(struct request_queue *q, char *disk_name); +#else +static inline int nvme_nvm_register(struct request_queue *q, char *disk_name) +{ + return 0; +} + +static inline void nvme_nvm_unregister(struct request_queue *q, char *disk_name) {}; + +static inline int nvme_nvm_ns_supported(struct nvme_ns *ns, struct nvme_id_ns *id) +{ + return 0; +} +#endif /* CONFIG_NVM */ #endif /* _NVME_H */ -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/