From patchwork Tue Dec 26 01:01:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wang Zhaolong X-Patchwork-Id: 1880173 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=aeQNK3iq; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org; envelope-from=linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=patchwork.ozlabs.org) Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Szc4M2Y1zz1ydd for ; Tue, 26 Dec 2023 12:04:35 +1100 (AEDT) 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:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject: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=HxOc1/9xutEnvkMctCxdJmwwFxLJN+sqSGKQd84ItIQ=; b=aeQNK3iqnWu0Ec bH0Tcmzt0NczJ6CqQpdrm65JQwSsBdP+rIyql+YyJD3x82ti06yKXLC9ybmE5HKdFBrfLmBJcVd3g g0gj3T4B2ec7YHC26gQG8ZbwQHuBSLNaKOpsSg+Su/jvN9x6aHGSfyktshfOJM9eoidjoM2Z1RTGt 2BTVtDQSd9XntXkUgzSBBxRmO8xS1nnLzlwU8JYPP/enketC43fSM3jQL9yoNUCLU607LBYhW1wYJ 7QjyRwQVefU9QPDF1n2sIQk3xEbYa9bAsPkubop85KINSJrUQfTRaLNcldxmZ54ujUUru1Kr62Jyo Y4svB/NkHLvZFC5LY7LQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rHvrY-00BWca-1O; Tue, 26 Dec 2023 01:04:04 +0000 Received: from szxga06-in.huawei.com ([45.249.212.32]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rHvrV-00BWc3-1l for linux-mtd@lists.infradead.org; Tue, 26 Dec 2023 01:04:03 +0000 Received: from mail.maildlp.com (unknown [172.19.88.214]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4Szc3V3yY4z1vpXh; Tue, 26 Dec 2023 09:03:50 +0800 (CST) Received: from dggpemd200001.china.huawei.com (unknown [7.185.36.224]) by mail.maildlp.com (Postfix) with ESMTPS id EA85A1A01A0; Tue, 26 Dec 2023 09:03:44 +0800 (CST) Received: from huawei.com (10.175.104.67) by dggpemd200001.china.huawei.com (7.185.36.224) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.2.1258.28; Tue, 26 Dec 2023 09:03:29 +0800 From: ZhaoLong Wang To: , , CC: , , , , , Subject: [PATCH v6 2/5] ubi: Split io_failures into write_failure and erase_failure Date: Tue, 26 Dec 2023 09:01:10 +0800 Message-ID: <20231226010113.742079-3-wangzhaolong1@huawei.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231226010113.742079-1-wangzhaolong1@huawei.com> References: <20231226010113.742079-1-wangzhaolong1@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.104.67] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpemd200001.china.huawei.com (7.185.36.224) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231225_170401_951765_DD6F6B64 X-CRM114-Status: UNSURE ( 9.44 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.3 (--) X-Spam-Report: Spam detection software, running on the system "bombadil.infradead.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: The emulate_io_failures debugfs entry controls both write failure and erase failure. This patch split io_failures to write_failure and erase_failure. Signed-off-by: ZhaoLong Wang Reviewed-by: Zhihao Cheng --- drivers/mtd/ubi/debug.c | 13 +++++++++---- drivers/mtd/ubi/debug.h | 14 ++++++++------ 2 [...] Content analysis details: (-2.3 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 RCVD_IN_MSPIKE_H5 RBL: Excellent reputation (+5) [45.249.212.32 listed in wl.mailspike.net] -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [45.249.212.32 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders 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: , Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org The emulate_io_failures debugfs entry controls both write failure and erase failure. This patch split io_failures to write_failure and erase_failure. Signed-off-by: ZhaoLong Wang Reviewed-by: Zhihao Cheng --- drivers/mtd/ubi/debug.c | 13 +++++++++---- drivers/mtd/ubi/debug.h | 14 ++++++++------ 2 files changed, 17 insertions(+), 10 deletions(-) diff --git a/drivers/mtd/ubi/debug.c b/drivers/mtd/ubi/debug.c index fd101ad6f12f..186306228b4d 100644 --- a/drivers/mtd/ubi/debug.c +++ b/drivers/mtd/ubi/debug.c @@ -14,7 +14,8 @@ #ifdef CONFIG_MTD_UBI_FAULT_INJECTION static DECLARE_FAULT_ATTR(fault_bitflips_attr); -static DECLARE_FAULT_ATTR(fault_io_failures_attr); +static DECLARE_FAULT_ATTR(fault_write_failure_attr); +static DECLARE_FAULT_ATTR(fault_erase_failure_attr); static DECLARE_FAULT_ATTR(fault_power_cut_attr); #define FAIL_ACTION(name, fault_attr) \ @@ -24,7 +25,8 @@ bool should_fail_##name(void) \ } FAIL_ACTION(bitflips, fault_bitflips_attr) -FAIL_ACTION(io_failures, fault_io_failures_attr) +FAIL_ACTION(write_failure, fault_write_failure_attr) +FAIL_ACTION(erase_failure, fault_erase_failure_attr) FAIL_ACTION(power_cut, fault_power_cut_attr) #endif @@ -245,8 +247,11 @@ static void dfs_create_fault_entry(struct dentry *parent) fault_create_debugfs_attr("emulate_bitflips", dir, &fault_bitflips_attr); - fault_create_debugfs_attr("emulate_io_failures", dir, - &fault_io_failures_attr); + fault_create_debugfs_attr("emulate_write_failure", dir, + &fault_write_failure_attr); + + fault_create_debugfs_attr("emulate_erase_failure", dir, + &fault_erase_failure_attr); fault_create_debugfs_attr("emulate_power_cut", dir, &fault_power_cut_attr); diff --git a/drivers/mtd/ubi/debug.h b/drivers/mtd/ubi/debug.h index f2f499feff49..8cdd25eee013 100644 --- a/drivers/mtd/ubi/debug.h +++ b/drivers/mtd/ubi/debug.h @@ -92,10 +92,12 @@ static inline int ubi_dbg_erase_failure(const struct ubi_device *ubi) /* Emulate bit-flips */ #define MASK_BITFLIPS (1 << 2) /* Emulates -EIO during write/erase */ -#define MASK_IO_FAILURE (1 << 3) +#define MASK_WRITE_FAILURE (1 << 3) +#define MASK_ERASE_FAILURE (1 << 4) extern bool should_fail_bitflips(void); -extern bool should_fail_io_failures(void); +extern bool should_fail_write_failure(void); +extern bool should_fail_erase_failure(void); extern bool should_fail_power_cut(void); static inline bool ubi_dbg_fail_bitflip(const struct ubi_device *ubi) @@ -107,15 +109,15 @@ static inline bool ubi_dbg_fail_bitflip(const struct ubi_device *ubi) static inline bool ubi_dbg_fail_write(const struct ubi_device *ubi) { - if (ubi->dbg.emulate_failures & MASK_IO_FAILURE) - return should_fail_io_failures(); + if (ubi->dbg.emulate_failures & MASK_WRITE_FAILURE) + return should_fail_write_failure(); return false; } static inline bool ubi_dbg_fail_erase(const struct ubi_device *ubi) { - if (ubi->dbg.emulate_failures & MASK_IO_FAILURE) - return should_fail_io_failures(); + if (ubi->dbg.emulate_failures & MASK_ERASE_FAILURE) + return should_fail_erase_failure(); return false; }