From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 02 Sep 2026 10:33:49 +0200 Received: from mx1.white.stw.pengutronix.de ([2a0a:edc0:0:b01:1d::107]) 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 1x1gPl-009wdT-0E for lore@lore.pengutronix.de; Wed, 02 Sep 2026 10:33:49 +0200 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by mx1.white.stw.pengutronix.de (Postfix) with ESMTPS id AAF41205858 for ; Wed, 02 Sep 2026 10:33:49 +0200 (CEST) Authentication-Results: mx1.white.stw.pengutronix.de; dkim=pass header.d=lists.infradead.org header.s=bombadil.20210309 header.b=4o49W18L; spf=pass (mx1.white.stw.pengutronix.de: domain of "barebox-bounces+lore=pengutronix.de@lists.infradead.org" designates 2607:7c80:54:3::133 as permitted sender) smtp.mailfrom="barebox-bounces+lore=pengutronix.de@lists.infradead.org"; dmarc=none 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: Content-Type:MIME-Version:Date:Message-Id:Subject:References:In-Reply-To:Cc: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=D2KcAEteuPBVKI5faxi3t06bLI+DEdAXIkPBHL5HeX0=; b=4o49W18LqySrFn5gI26mFFQNY7 bpXyrp15+uIqM2kHHK9zycBelgAvHwcdBfFkBrV79tfzY1IjFxkWCaUIw3awYhnEJMtgSiYOgJFyi MlKiXtoAT28ue2vnT+k/PLN35nFmEIQLmTzkGCZLmKpEieDmQq9s3gZB1aYe72o4/Pd+kCIumEEbS V4O0sFmTEVZchQHc7jhA0dKuWPdVR5y+njQepv5qA/OnhEittMODlBins1faJCV9MNDr+2mCB/hdT 7OQl1cDCGiOm0VbXbHFM7xWcNtO3kf8jowH6ZvVXqTZdKmhsArEjjrOTrAesXqzFE6xKfNi7Ax/DB Neo/edpg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x1gPO-0000000E6gG-3cdJ; Wed, 02 Sep 2026 08:33:26 +0000 Received: from mx1.white.stw.pengutronix.de ([2a0a:edc0:0:b01:1d::107]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x1gPL-0000000E6fY-2y5l for barebox@lists.infradead.org; Wed, 02 Sep 2026 08:33:25 +0000 Received: from drehscheibe.grey.stw.pengutronix.de (drehscheibe.grey.stw.pengutronix.de [IPv6:2a0a:edc0:0:c01:1d::a2]) (Authenticated sender: relay-from-drehscheibe.grey.stw.pengutronix.de) by mx1.white.stw.pengutronix.de (Postfix) with ESMTPSA id 0F738201DC9; Wed, 02 Sep 2026 10:33:22 +0200 (CEST) Received: from dude02.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::28]) 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 1x1gPJ-004YoN-3A; Wed, 02 Sep 2026 10:33:21 +0200 Received: from [::1] (helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.98.2) (envelope-from ) id 1x1gPJ-0000000DuUU-3hz1; Wed, 02 Sep 2026 10:33:21 +0200 From: Sascha Hauer To: barebox@lists.infradead.org, Ahmad Fatoum Cc: Ahmad Fatoum In-Reply-To: <20260831145524.1041308-1-a.fatoum@pengutronix.de> References: <20260831145524.1041308-1-a.fatoum@pengutronix.de> Subject: Re: [PATCH] efi: loader: disk: detect the file system type only once Message-Id: <178833800187.3313386.4329069362374416969.b4-ty@pengutronix.de> Date: Wed, 02 Sep 2026 10:33:21 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.14.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260902_013323_900792_7E310B35 X-CRM114-Status: UNSURE ( 6.13 ) X-CRM114-Notice: Please train this message. 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Content preview: On Mon, 31 Aug 2026 16:55:23 +0200, Ahmad Fatoum wrote: > efi_fs_exists() calls cdev_detect_type() once per file system driver, > reading the first FILE_TYPE_SAFE_BUFSIZE bytes off the device each ti [...] Content analysis details: (-1.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] 0.0 DMARC_MISSING Missing DMARC policy 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-Rspamd-Queue-Id: AAF41205858 X-Spamd-Result: default: False [-57.81 / 15.00]; RECEIVED_AUTHENTICATED_BY_MX1(-50.00)[]; BAYES_HAM(-3.00)[99.99%]; DWL_DNSWL_MED(-2.00)[infradead.org:dkim]; KNOWN_LIST_ID(-1.00)[barebox.lists.infradead.org]; RCVD_IN_DNSWL_MED(-0.60)[2a0a:edc0:0:1101:1d::28:received,2a0a:edc0:0:c01:1d::a2:received,2607:7c80:54:3::133:from]; RCVD_DKIM_ARC_DNSWL_MED(-0.50)[]; R_SPF_ALLOW(-0.20)[+mx:c]; MAILLIST(-0.20)[mailman]; R_DKIM_ALLOW(-0.20)[lists.infradead.org:s=bombadil.20210309]; MIME_GOOD(-0.10)[text/plain]; HAS_LIST_UNSUB(-0.01)[]; RCVD_TLS_LAST(0.00)[]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; TAGGED_FROM(0.00)[lore=pengutronix.de]; RECEIVED_HELO_LOCALHOST(0.00)[]; DMARC_NA(0.00)[pengutronix.de]; ASN(0.00)[asn:7247, ipnet:2607:7c80:54::/48, country:US]; RCPT_COUNT_THREE(0.00)[3]; RCVD_COUNT_FIVE(0.00)[5]; FROM_NEQ_ENVFROM(0.00)[s.hauer@pengutronix.de,barebox-bounces@lists.infradead.org]; FROM_HAS_DN(0.00)[]; DKIM_TRACE(0.00)[lists.infradead.org:+]; NEURAL_HAM(-0.00)[-1.000]; RCVD_VIA_SMTP_AUTH(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; TO_DN_SOME(0.00)[]; FORGED_SENDER_MAILLIST(0.00)[] X-Rspamd-Action: no action X-Stat-Signature: r6q9k1a4nbgi57pcii61inkdfh8m9tt3 X-Rspamd-Server: mx1 On Mon, 31 Aug 2026 16:55:23 +0200, Ahmad Fatoum wrote: > efi_fs_exists() calls cdev_detect_type() once per file system driver, > reading the first FILE_TYPE_SAFE_BUFSIZE bytes off the device each time. > Run cdev_detect_type() once and then match the result against the drivers. > > Applied, thanks! [1/1] efi: loader: disk: detect the file system type only once https://git.pengutronix.de/cgit/barebox/commit/?id=d7cb6c249960 (link may not be stable) Best regards, -- Sascha Hauer