From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 05 Jun 2025 13:37:11 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1uN8uF-003zhj-1Q for lore@lore.pengutronix.de; Thu, 05 Jun 2025 13:37:11 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1uN8uB-0000TU-Lk for lore@pengutronix.de; Thu, 05 Jun 2025 13:37:11 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=u6zCWfYGixYMLHVGLyrHdf6v5EjVzGOx97cpsQXoUJw=; b=asURsDVm4T9ouReo3h2CDnyTGD pmw+AbWe1rpqCWxhDaMVtHm/4E0c0PmzUKabp1Z6BJWgyWqGAnB845cV66MAJwYyCqJXylL68Nw5z xS3bp6iLKEgDCdDnVr60++1LAj0y02CJmU+JC+DhNQOhnWDB8iU64qw4+DncWtE8WsBpHm8T5xDMb Aw2lsbe1qUVSs4wyh7WeBQnRMZmqDxJLTqBrUCXocLc//lIk1jbplePj9GCbvbECOp2ArlwzqYzFc /34aqcZIoYJuLMZBUF+SNHekO1qE0QWWmSPNPLbeRkEjo1vFbuVvX2OIr/X10lgIztIsU/KMpoCVI EeFuFFmA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uN8tX-0000000FNHa-0quS; Thu, 05 Jun 2025 11:36:27 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uN8jl-0000000FMNv-0BZr for barebox@lists.infradead.org; Thu, 05 Jun 2025 11:26:22 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1uN8jj-0001hw-Qa; Thu, 05 Jun 2025 13:26:19 +0200 Received: from dude06.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::5c]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1uN8jj-001wuG-22; Thu, 05 Jun 2025 13:26:19 +0200 Received: from localhost ([::1] helo=dude06.red.stw.pengutronix.de) by dude06.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1uN8jk-008H9N-0f; Thu, 05 Jun 2025 13:26:19 +0200 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Thu, 5 Jun 2025 13:26:18 +0200 Message-Id: <20250605112618.1972479-1-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.39.5 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250605_042621_108315_BEFE4C32 X-CRM114-Status: GOOD ( 12.49 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.3 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH] fs: ramfs: do not bother unmounting ramfs on shutdown X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) It's pointless to free memory when we are about to boot a kernel that will reclaim all memory anyway. As ramfs only consists of such memory buffers, let's just skip its freeing. Signed-off-by: Ahmad Fatoum --- fs/fs.c | 2 ++ fs/ramfs.c | 5 ----- 2 files changed, 2 insertions(+), 5 deletions(-) diff --git a/fs/fs.c b/fs/fs.c index 0f821451103f..4d478eaf1f72 100644 --- a/fs/fs.c +++ b/fs/fs.c @@ -835,6 +835,8 @@ static void fs_remove(struct device *dev) int ret; if (fsdev->dev.driver) { + if (!dev->driver->remove) + return; dev->driver->remove(dev); list_del(&fsdev->list); } diff --git a/fs/ramfs.c b/fs/ramfs.c index ab3c44270d43..e971f608545c 100644 --- a/fs/ramfs.c +++ b/fs/ramfs.c @@ -435,10 +435,6 @@ static int ramfs_probe(struct device *dev) return 0; } -static void ramfs_remove(struct device *dev) -{ -} - static struct fs_driver ramfs_driver = { .read = ramfs_read, .write = ramfs_write, @@ -446,7 +442,6 @@ static struct fs_driver ramfs_driver = { .truncate = ramfs_truncate, .drv = { .probe = ramfs_probe, - .remove = ramfs_remove, .name = "ramfs", } }; -- 2.39.5