From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4CF2D363C6F; Sat, 12 Sep 2026 16:42:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789231322; cv=none; b=MZdrx0YZQOXhXtO9HidGruKxg2NK5wBZVSIArHg8voOhawrqlWBwkwvWAdbU8x4pDn1Ct/mSh8m+Hp+SJeKlllnJUZuEj+nfR1OHOzEnJqNd5vX/fr740sI0lJPBFG7TWN/X32bJtCtAftiX7qhbXRuOruvCJYG720LwlmNDtTw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789231322; c=relaxed/simple; bh=HH+2Uv4H8JxjKg9/2wWY6YMcL04XV5aOmysEg5smFm0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qnpbvuL0uub87M3Vi67/gl419xsReHAieVciKt+IYJIXUZO1YGyNX/8VLSlGZmIbpqUQ/UabOKgAAGQaKt3mNYW6esEWQ9iEBtqo/64fkp9jNvlgotBie1OjuOu8rvVx7jvN1rIPyCh0uRDGhikcS73JFHU/htkjQi1gC6KB5YU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=hJAm640W; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="hJAm640W" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 06B821F000FF; Sat, 12 Sep 2026 16:41:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789231321; bh=ixOLjfzR7q+aYQTh2wXWK6XIQ5Eb4qX+yW28p4Ly34o=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=hJAm640WcM9KD2V27S1IZQh6H1jvkJmF5IpqAaIL3avldQnuV3X81uD+aqrTsJ6xs D8LczuLXvmHdMRqTWuDYDdI4onTN91BmsjKEWOEHY/Er2v8I5w5Y7Qq40CFc4sFGPA oQbpnxHKHIQ3b0woDFybNjMJNLZ/ZUcyqP90w0uQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Zhihao Cheng , Richard Weinberger , Sasha Levin Subject: [PATCH 6.1 0976/1191] ubi: Replace erase_block() with sync_erase() Date: Sat, 12 Sep 2026 09:01:44 +0200 Message-ID: <20260912065610.132437786@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065548.086904252@linuxfoundation.org> References: <20260912065548.086904252@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Zhihao Cheng [ Upstream commit c19286d70aaa361cdb073a68a1f66232c359e2fd ] Since erase_block() has same logic with sync_erase(), just replace it with sync_erase(), also rename 'sync_erase()' to 'ubi_sync_erase()'. Signed-off-by: Zhihao Cheng Signed-off-by: Richard Weinberger Stable-dep-of: 420477a84f1e ("UBI: Preserve torture flag when rescheduling failed erasures") Signed-off-by: Sasha Levin --- drivers/mtd/ubi/fastmap.c | 48 ++------------------------------------- drivers/mtd/ubi/ubi.h | 1 + drivers/mtd/ubi/wl.c | 9 ++++---- 3 files changed, 7 insertions(+), 51 deletions(-) diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c index d7a4fbe8512bf..e448dbb7d2582 100644 --- a/drivers/mtd/ubi/fastmap.c +++ b/drivers/mtd/ubi/fastmap.c @@ -1390,50 +1390,6 @@ static int ubi_write_fastmap(struct ubi_device *ubi, return ret; } -/** - * erase_block - Manually erase a PEB. - * @ubi: UBI device object - * @e: the physical eraseblock to erase - * - * This function returns zero in case of success and a negative error code in - * case of failure. - */ -static int erase_block(struct ubi_device *ubi, struct ubi_wl_entry *e) -{ - int err; - struct ubi_ec_hdr *ec_hdr; - long long ec = e->ec; - - ec_hdr = kzalloc(ubi->ec_hdr_alsize, GFP_NOFS); - if (!ec_hdr) - return -ENOMEM; - - err = ubi_io_sync_erase(ubi, e->pnum, 0); - if (err < 0) - goto out; - - ec += err; - if (ec > UBI_MAX_ERASECOUNTER) { - err = -EINVAL; - goto out; - } - - ec_hdr->ec = cpu_to_be64(ec); - err = ubi_io_write_ec_hdr(ubi, e->pnum, ec_hdr); - if (err < 0) - goto out; - - e->ec = ec; - spin_lock(&ubi->wl_lock); - if (e->ec > ubi->max_ec) - ubi->max_ec = e->ec; - spin_unlock(&ubi->wl_lock); - -out: - kfree(ec_hdr); - return err; -} - /** * invalidate_fastmap - destroys a fastmap. * @ubi: UBI device object @@ -1574,7 +1530,7 @@ int ubi_update_fastmap(struct ubi_device *ubi) if (!tmp_e) { if (old_fm && old_fm->e[i]) { - ret = erase_block(ubi, old_fm->e[i]); + ret = ubi_sync_erase(ubi, old_fm->e[i], 0); if (ret < 0) { ubi_err(ubi, "could not erase old fastmap PEB"); @@ -1626,7 +1582,7 @@ int ubi_update_fastmap(struct ubi_device *ubi) if (old_fm) { /* no fresh anchor PEB was found, reuse the old one */ if (!tmp_e) { - ret = erase_block(ubi, old_fm->e[0]); + ret = ubi_sync_erase(ubi, old_fm->e[0], 0); if (ret < 0) { ubi_err(ubi, "could not erase old anchor PEB"); diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h index c8f1bd4fa1008..2f0c0eacc0133 100644 --- a/drivers/mtd/ubi/ubi.h +++ b/drivers/mtd/ubi/ubi.h @@ -902,6 +902,7 @@ int self_check_eba(struct ubi_device *ubi, struct ubi_attach_info *ai_fastmap, struct ubi_attach_info *ai_scan); /* wl.c */ +int ubi_sync_erase(struct ubi_device *ubi, struct ubi_wl_entry *e, int torture); int ubi_wl_get_peb(struct ubi_device *ubi); int ubi_wl_put_peb(struct ubi_device *ubi, int vol_id, int lnum, int pnum, int torture); diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c index c1d3472cdc9ad..b4fd1e5b0fe5e 100644 --- a/drivers/mtd/ubi/wl.c +++ b/drivers/mtd/ubi/wl.c @@ -427,7 +427,7 @@ static int prot_queue_del(struct ubi_device *ubi, int pnum) } /** - * sync_erase - synchronously erase a physical eraseblock. + * ubi_sync_erase - synchronously erase a physical eraseblock. * @ubi: UBI device description object * @e: the physical eraseblock to erase * @torture: if the physical eraseblock has to be tortured @@ -435,8 +435,7 @@ static int prot_queue_del(struct ubi_device *ubi, int pnum) * This function returns zero in case of success and a negative error code in * case of failure. */ -static int sync_erase(struct ubi_device *ubi, struct ubi_wl_entry *e, - int torture) +int ubi_sync_erase(struct ubi_device *ubi, struct ubi_wl_entry *e, int torture) { int err; struct ubi_ec_hdr *ec_hdr; @@ -1101,7 +1100,7 @@ static int __erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk) dbg_wl("erase PEB %d EC %d LEB %d:%d", pnum, e->ec, wl_wrk->vol_id, wl_wrk->lnum); - err = sync_erase(ubi, e, wl_wrk->torture); + err = ubi_sync_erase(ubi, e, wl_wrk->torture); if (!err) { spin_lock(&ubi->wl_lock); @@ -1756,7 +1755,7 @@ static int erase_aeb(struct ubi_device *ubi, struct ubi_ainf_peb *aeb, bool sync ubi->lookuptbl[e->pnum] = e; if (sync) { - err = sync_erase(ubi, e, false); + err = ubi_sync_erase(ubi, e, false); if (err) goto out_free; -- 2.53.0