From patchwork Fri Aug 17 14:35:20 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Genoud X-Patchwork-Id: 178223 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from merlin.infradead.org (merlin.infradead.org [IPv6:2001:4978:20e::2]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 51F212C00A3 for ; Sat, 18 Aug 2012 00:37:11 +1000 (EST) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1T2Nep-0001FJ-Hi; Fri, 17 Aug 2012 14:36:15 +0000 Received: from mail-wg0-f49.google.com ([74.125.82.49]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1T2NeW-00019Y-Fi; Fri, 17 Aug 2012 14:35:57 +0000 Received: by mail-wg0-f49.google.com with SMTP id ez12so2482603wgb.18 for ; Fri, 17 Aug 2012 07:35:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; bh=ZZawiR+ZGIgrZt2IRNBM+lSS+iuRRoVfiCIotpSiyJ8=; b=ZIrcuYi7c+1cmXhlKg0uf5kNsNLsj4nlPEEuidQJqiCrYPnCW7gIxvAzYgBwn0xXhC x77rVmXqgIor3tNRnuTlZMgTHpGP3zqaNvqHDF7qqjhEoBnbC66bQUtXX8leJZ4bsycX r9h8MfeE9Ews/t2TdTRcufhXhCbCwqS+Sdbgi7N0Gk07jff6ff4p51YzhKDgYZedfUSW fgf6bvLq+dvt6+/4mpqdVw/zxGK9N2zcfLVEeCrBugrPHCjW63qeHSmXeEDC6JIh5+ls y+yWC6G+/PhHRcXjfJEmjbdLmlKW6VyiniCNzX/G8jLz4l7MMwIsbMtV1SBK9V2jEGAZ pAYg== Received: by 10.216.208.69 with SMTP id p47mr2406937weo.150.1345214156050; Fri, 17 Aug 2012 07:35:56 -0700 (PDT) Received: from localhost.localdomain (lyon.paratronic.fr. [213.41.177.106]) by mx.google.com with ESMTPS id dc3sm10053154wib.7.2012.08.17.07.35.54 (version=TLSv1/SSLv3 cipher=OTHER); Fri, 17 Aug 2012 07:35:55 -0700 (PDT) From: Richard Genoud To: Artem Bityutskiy Subject: [PATCH 4/8] UBI: prepare for max_beb_per1024 module parameter addition Date: Fri, 17 Aug 2012 16:35:20 +0200 Message-Id: <1345214124-5478-5-git-send-email-richard.genoud@gmail.com> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1345214124-5478-1-git-send-email-richard.genoud@gmail.com> References: <1345214124-5478-1-git-send-email-richard.genoud@gmail.com> X-Spam-Note: CRM114 invocation failed X-Spam-Score: -2.7 (--) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-2.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [74.125.82.49 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (richard.genoud[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature Cc: Richard Genoud , linux-mtd@lists.infradead.org, Shmulik Ladkani , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-mtd-bounces@lists.infradead.org Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org This patch prepare the way for the addition of max_beb_per1024 module parameter. There's no functional change. Signed-off-by: Richard Genoud Reviewed-by: Shmulik Ladkani --- drivers/mtd/ubi/build.c | 14 ++++++++------ drivers/mtd/ubi/cdev.c | 3 ++- drivers/mtd/ubi/ubi.h | 3 ++- 3 files changed, 12 insertions(+), 8 deletions(-) diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index 1f45f51..58fe53d 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -602,6 +602,7 @@ static int get_bad_peb_limit(const struct ubi_device *ubi, int max_beb_per1024) /** * io_init - initialize I/O sub-system for a given UBI device. * @ubi: UBI device description object + * @max_beb_per1024: maximum expected number of bad PEB per 1024 PEB * * If @ubi->vid_hdr_offset or @ubi->leb_start is zero, default offsets are * assumed: @@ -614,10 +615,8 @@ static int get_bad_peb_limit(const struct ubi_device *ubi, int max_beb_per1024) * This function returns zero in case of success and a negative error code in * case of failure. */ -static int io_init(struct ubi_device *ubi) +static int io_init(struct ubi_device *ubi, int max_beb_per1024) { - const int max_beb_per1024 = CONFIG_MTD_UBI_BEB_LIMIT; - if (ubi->mtd->numeraseregions != 0) { /* * Some flashes have several erase regions. Different regions @@ -839,6 +838,7 @@ static int autoresize(struct ubi_device *ubi, int vol_id) * @mtd: MTD device description object * @ubi_num: number to assign to the new UBI device * @vid_hdr_offset: VID header offset + * @max_beb_per1024: maximum number of expected bad blocks per 1024 eraseblocks * * This function attaches MTD device @mtd_dev to UBI and assign @ubi_num number * to the newly created UBI device, unless @ubi_num is %UBI_DEV_NUM_AUTO, in @@ -849,7 +849,8 @@ static int autoresize(struct ubi_device *ubi, int vol_id) * Note, the invocations of this function has to be serialized by the * @ubi_devices_mutex. */ -int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num, int vid_hdr_offset) +int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num, + int vid_hdr_offset, int max_beb_per1024) { struct ubi_device *ubi; int i, err, ref = 0; @@ -922,7 +923,7 @@ int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num, int vid_hdr_offset) dbg_msg("sizeof(struct ubi_ainf_peb) %zu", sizeof(struct ubi_ainf_peb)); dbg_msg("sizeof(struct ubi_wl_entry) %zu", sizeof(struct ubi_wl_entry)); - err = io_init(ubi); + err = io_init(ubi, max_beb_per1024); if (err) goto out_free; @@ -1211,7 +1212,8 @@ static int __init ubi_init(void) mutex_lock(&ubi_devices_mutex); err = ubi_attach_mtd_dev(mtd, UBI_DEV_NUM_AUTO, - p->vid_hdr_offs); + p->vid_hdr_offs, + CONFIG_MTD_UBI_BEB_LIMIT); mutex_unlock(&ubi_devices_mutex); if (err < 0) { ubi_err("cannot attach mtd%d", mtd->index); diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c index fb55678..619f914 100644 --- a/drivers/mtd/ubi/cdev.c +++ b/drivers/mtd/ubi/cdev.c @@ -1010,7 +1010,8 @@ static long ctrl_cdev_ioctl(struct file *file, unsigned int cmd, * 'ubi_attach_mtd_dev()'. */ mutex_lock(&ubi_devices_mutex); - err = ubi_attach_mtd_dev(mtd, req.ubi_num, req.vid_hdr_offset); + err = ubi_attach_mtd_dev(mtd, req.ubi_num, req.vid_hdr_offset, + CONFIG_MTD_UBI_BEB_LIMIT); mutex_unlock(&ubi_devices_mutex); if (err < 0) put_mtd_device(mtd); diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h index c94612e..2a2475b 100644 --- a/drivers/mtd/ubi/ubi.h +++ b/drivers/mtd/ubi/ubi.h @@ -693,7 +693,8 @@ int ubi_io_write_vid_hdr(struct ubi_device *ubi, int pnum, struct ubi_vid_hdr *vid_hdr); /* build.c */ -int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num, int vid_hdr_offset); +int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num, + int vid_hdr_offset, int max_beb_per1024); int ubi_detach_mtd_dev(int ubi_num, int anyway); struct ubi_device *ubi_get_device(int ubi_num); void ubi_put_device(struct ubi_device *ubi);