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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 C5453CC6B38 for ; Thu, 15 Oct 2026 18:35:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ol1Qb9ycD/IgfY3MnAtrx10sSHEbO/WvQGsKiZhbw0M=; b=GuwYrDiBDy14nS M6ZHPtbALzIfHVPaby2RZKKUSylTANuXNTRyyQf8x9RnrHHBZ6qzp3VKRlEjiUA3jQePsHG9aO8Rl Z+1IDLE3G6SUH5HWeiw7ZxhLsR+6jDV8mmzu3yed2ocZWJ8d+Z4O4ub+84xn35ZYGw2oV6hqRHRbi /BBajx27xFzVn9cBTNXbYc9oZ7TzQ3/3YtNJnDoxXmbCO0Boi5Q/nZQZY+WFbO4MwQkL41UfWFLQG 9ZfVYl5k0ykQmzduFYrMjuOIqcWbVajFxzYoIiZ/gyQLDOdHZRgyNUehgjlfyXwjNSt3BuHbYkqZP eJ/OBQphY7ETwJO1E9TA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xHQIM-00000001Aw0-3n54; Thu, 15 Oct 2026 18:35:14 +0000 Received: from mx01.bremer-it.com ([85.215.132.167]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xHQID-00000001Arn-38Yc for linux-mtd@lists.infradead.org; Thu, 15 Oct 2026 18:35:11 +0000 Received: from cashel.logfs.org (c-98-33-96-243.hsd1.ca.comcast.net [98.33.96.243]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by mx01.bremer-it.com (Postfix) with ESMTPSA id 99B6E200D2; Thu, 15 Oct 2026 20:34:47 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=barelysecure.org; s=dkim68; t=1792089290; h=from:from: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; bh=rWzJkDI/em5y6nh6j86gUEA89QfFvvGbbcLOG6nyaLU=; b=Da3adV0gloTJ32d9fYhXySL1K2qui+tJSJj6r8EFpqIPqrd2HX3+CYCrKAfEeiUf9Flrql OIZN484H6pocKqU1Rr4ezT3eyWPCJD5mVwNj/+df4rvSShfeh/al/uBn0rE64rcn39em8R AXCDpHKZG2yvjRKtyL1pVV1SyZnCvJzt5RcYYJp3DhrqEuOGz2MP5Ivd+j0keB3KU7a65F C1KeOcEjRABMxb1dn45KyzoWBvGPZU9stcBMro/ifFjxu9RGbMQRgTm7vQkX7wT7RcDdKM qCCtYEAPbs7TLiM5JyZ5GX6JWh/nWV0TpAIGIGRNN2ON1IdvsLMLPsmqWAoJBg== Authentication-Results: ORIGINATING; auth=pass smtp.auth=joern@lazybastard.org smtp.mailfrom=joern@barelysecure.org Date: Thu, 15 Oct 2026 11:34:44 -0700 From: =?iso-8859-1?Q?J=F6rn?= Engel To: Tal Zussman Cc: Miquel Raynal , sashiko-bot@kernel.org, Joern Engel , Richard Weinberger , Vignesh Raghavendra , sashiko-reviews@lists.linux.dev, "Matthew Wilcox (Oracle)" , linux-mtd@lists.infradead.org Subject: Re: [PATCH 3/3] mtd: block2mtd: convert _block2mtd_erase() to folios Message-ID: References: <20261014-block2mtd-folio-v1-0-19d24ae676ee@columbia.edu> <20261014-block2mtd-folio-v1-3-19d24ae676ee@columbia.edu> <87mrsfwck3.fsf@bootlin.com> <5ec61284-3ae9-4875-bba3-932cbede14b4@columbia.edu> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <5ec61284-3ae9-4875-bba3-932cbede14b4@columbia.edu> X-Spamd-Bar: / X-Spamd-Result: default: False [-0.10 / 14.00]; MIME_GOOD(-0.10)[text/plain]; BAYES_HAM(-0.00)[20.70%]; ARC_NA(0.00)[]; RCVD_COUNT_ZERO(0.00)[0]; ASN(0.00)[asn:7922, ipnet:98.32.0.0/11, country:US]; MISSING_XM_UA(0.00)[]; RCPT_COUNT_SEVEN(0.00)[9]; FROM_HAS_DN(0.00)[]; DKIM_SIGNED(0.00)[barelysecure.org:s=dkim68]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; LOCAL_OUTBOUND(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_SOME(0.00)[] X-Rspamd-Action: no action X-Rspamd-Server: server01 X-Rspamd-Queue-Id: 99B6E200D2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261015_113506_230643_AA57830B X-CRM114-Status: UNSURE ( 9.93 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On Thu, Oct 15, 2026 at 11:19:23AM -0400, Tal Zussman wrote: > = > It seems like it's a real but very rare pre-existing issue. You should drop the "but very rare" bit. ;) When it comes to bugs, being rare and hard to hit doesn't improve things, it makes them worse. Rare bugs result in crazy bug reports that you cannot reproduce. Instead of spending a few hours on them, they can cost you days, weeks or months. They are also often non-trivial to fix. Instead of taking a bug report and saying "ah, here is the problem", several times I've had to come up with new debug code, make it robust enough to ship into production (because rare bugs only reproduce at scale, which means on production systems), refine it once or twice and then finally get enough information to fix the bug. On the plus side, such debug infrastructure tends to provide enough clues to fix many bugs, not just one troublemaker. J=F6rn -- The cost of changing business rules is much more expensive for software than for a secretaty. -- unknown ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/