From mboxrd@z Thu Jan 1 00:00:00 1970 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 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.lore.kernel.org (Postfix) with ESMTPS id 7CEBBC7EE23 for ; Tue, 23 May 2023 07:47:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1684828026; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=0GD9vqX6992v7tURJ7+69+UGLX2+ursBsVpNvFpKjNA=; b=Xd3Oqh0zIYsNRkdaGI40xWL5Rphv3ZFM/bh0hXxBzJ90lzmMuJ/MJSqewVVq8PFK70CliK YEdQdAc53ZuoHh7GkG9QNLaBpJBO3263Xam1HtJHGhpsdCZLomnTV96ttk6ZT/AMrwkJtP uZJ+LS/aMEK3xSRf8Y0AQAWTBOyP6eY= 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-149-ZORN22vePMGUuWmNPMDlhw-1; Tue, 23 May 2023 03:47:04 -0400 X-MC-Unique: ZORN22vePMGUuWmNPMDlhw-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 18029185A78F; Tue, 23 May 2023 07:47:03 +0000 (UTC) Received: from mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (unknown [10.30.29.100]) by smtp.corp.redhat.com (Postfix) with ESMTP id 05B48140E962; Tue, 23 May 2023 07:47:03 +0000 (UTC) Received: from mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (localhost [IPv6:::1]) by mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (Postfix) with ESMTP id B462819465A8; Tue, 23 May 2023 07:47:02 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) by mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (Postfix) with ESMTP id 60F6119465BB for ; Tue, 23 May 2023 07:47:01 +0000 (UTC) Received: by smtp.corp.redhat.com (Postfix) id 28E49140EBD7; Tue, 23 May 2023 07:47:01 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast01.extmail.prod.ext.rdu2.redhat.com [10.11.55.17]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 20ADA140E95D for ; Tue, 23 May 2023 07:47:01 +0000 (UTC) Received: from us-smtp-inbound-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) (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 065A685A5A8 for ; Tue, 23 May 2023 07:47:01 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-130--DkXucuGNZCU152fFzC-mg-1; Tue, 23 May 2023 03:46:59 -0400 X-MC-Unique: -DkXucuGNZCU152fFzC-mg-1 Received: from [2001:4bb8:188:23b2:6ade:85c9:530f:6eb0] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1q1MjF-009HS4-3A; Tue, 23 May 2023 07:46:46 +0000 From: Christoph Hellwig To: Jens Axboe Date: Tue, 23 May 2023 09:45:35 +0200 Message-Id: <20230523074535.249802-25-hch@lst.de> In-Reply-To: <20230523074535.249802-1-hch@lst.de> References: <20230523074535.249802-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 3.1 on 10.11.54.7 Subject: [dm-devel] [PATCH 24/24] block: mark early_lookup_bdev as __init X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Vignesh Raghavendra , "Rafael J. Wysocki" , Greg Kroah-Hartman , linux-pm@vger.kernel.org, Joern Engel , linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, Richard Weinberger , dm-devel@redhat.com, Mike Snitzer , Pavel Machek , Miquel Raynal , linux-mtd@lists.infradead.org Errors-To: dm-devel-bounces@redhat.com Sender: "dm-devel" X-Scanned-By: MIMEDefang 3.1 on 10.11.54.7 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: lst.de Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit early_lookup_bdev is now only used during the early boot code as it should, so mark it __init to not waste run time memory on it. Signed-off-by: Christoph Hellwig --- block/early-lookup.c | 19 +++++++++---------- include/linux/blkdev.h | 2 +- 2 files changed, 10 insertions(+), 11 deletions(-) diff --git a/block/early-lookup.c b/block/early-lookup.c index 6016e781b6a0e2..3ff0d2e4dcbfb8 100644 --- a/block/early-lookup.c +++ b/block/early-lookup.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0-only /* * Code for looking up block devices in the early boot code before mounting the - * root file system. Unfortunately currently also abused in a few other places. + * root file system. */ #include #include @@ -18,7 +18,7 @@ struct uuidcmp { * * Returns 1 if the device matches, and 0 otherwise. */ -static int match_dev_by_uuid(struct device *dev, const void *data) +static int __init match_dev_by_uuid(struct device *dev, const void *data) { struct block_device *bdev = dev_to_bdev(dev); const struct uuidcmp *cmp = data; @@ -42,7 +42,7 @@ static int match_dev_by_uuid(struct device *dev, const void *data) * * Returns the matching dev_t on success or 0 on failure. */ -static int devt_from_partuuid(const char *uuid_str, dev_t *devt) +static int __init devt_from_partuuid(const char *uuid_str, dev_t *devt) { struct uuidcmp cmp; struct device *dev = NULL; @@ -98,7 +98,7 @@ static int devt_from_partuuid(const char *uuid_str, dev_t *devt) * * Returns 1 if the device matches, and 0 otherwise. */ -static int match_dev_by_label(struct device *dev, const void *data) +static int __init match_dev_by_label(struct device *dev, const void *data) { struct block_device *bdev = dev_to_bdev(dev); const char *label = data; @@ -108,7 +108,7 @@ static int match_dev_by_label(struct device *dev, const void *data) return 1; } -static int devt_from_partlabel(const char *label, dev_t *devt) +static int __init devt_from_partlabel(const char *label, dev_t *devt) { struct device *dev; @@ -120,7 +120,7 @@ static int devt_from_partlabel(const char *label, dev_t *devt) return 0; } -static dev_t blk_lookup_devt(const char *name, int partno) +static dev_t __init blk_lookup_devt(const char *name, int partno) { dev_t devt = MKDEV(0, 0); struct class_dev_iter iter; @@ -149,7 +149,7 @@ static dev_t blk_lookup_devt(const char *name, int partno) return devt; } -static int devt_from_devname(const char *name, dev_t *devt) +static int __init devt_from_devname(const char *name, dev_t *devt) { int part; char s[32]; @@ -193,7 +193,7 @@ static int devt_from_devname(const char *name, dev_t *devt) return -EINVAL; } -static int devt_from_devnum(const char *name, dev_t *devt) +static int __init devt_from_devnum(const char *name, dev_t *devt) { unsigned maj, min, offset; char *p, dummy; @@ -240,7 +240,7 @@ static int devt_from_devnum(const char *name, dev_t *devt) * name contains slashes, the device name has them replaced with * bangs. */ -int early_lookup_bdev(const char *name, dev_t *devt) +int __init early_lookup_bdev(const char *name, dev_t *devt) { if (strncmp(name, "PARTUUID=", 9) == 0) return devt_from_partuuid(name + 9, devt); @@ -250,7 +250,6 @@ int early_lookup_bdev(const char *name, dev_t *devt) return devt_from_devname(name + 5, devt); return devt_from_devnum(name, devt); } -EXPORT_SYMBOL_GPL(early_lookup_bdev); static char __init *bdevt_str(dev_t devt, char *buf) { diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 361341aea82ce5..a07776e5b27940 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1493,7 +1493,7 @@ int sync_blockdev_nowait(struct block_device *bdev); void sync_bdevs(bool wait); void bdev_statx_dioalign(struct inode *inode, struct kstat *stat); void printk_all_partitions(void); -int early_lookup_bdev(const char *pathname, dev_t *dev); +int __init early_lookup_bdev(const char *pathname, dev_t *dev); #else static inline void invalidate_bdev(struct block_device *bdev) { -- 2.39.2 -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel