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 6EDFF3BED31 for ; Mon, 31 Aug 2026 03:41:43 +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=1788147708; cv=none; b=MY2jqLG5kZL2sWnvlKos3/RU06WwmoN1rnT8H50kmFwYOCryfzu108JtKpMCzJBeCG+hrzQEVF2Cz6xl9vACuF1htnLSoi2m7NwL+W3g35INOC5f17DELvDuWE52L2RAI7S3ymyow7oGsu5kn8jNKYFgq2GNc0wFFal7lCE+NZ0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788147708; c=relaxed/simple; bh=HJIUPQlN78Uqflcc8LGHvYDBGSxVkxcZBewv+dRr8Xc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZHpPDKQKR0M2Rknsnz8esXUkrSdSyqDwp5iOt2JVVKm9/6z91LPipQzGqu/fyVh8+YxpR0XWMJdr9NPL2M9J+txB6+PD5lXb4263D8EPeDHl5GWqUOQuisvVn6edd/ztXNOjvKW1YFmzqH2rGzugRlstegiNdjrYxzNlx5hBCIA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ZGAsRoAv; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ZGAsRoAv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C86A11F01559; Mon, 31 Aug 2026 03:41:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788147690; bh=XNEa6PKMoKPaJIWeXZQZdBTQP0yMPbLVjJ8v/Bh6+Y0=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=ZGAsRoAvKTcwloxtCarz/Tiq0iDeggMKicWZsegtIcozIPKMBcJOy/ZVQVwnb/ap7 TiU6Aea08I+Nf/3dWpPO/dCKLHciJ5+vm94DbcgP1NvXNGbOA0nxhqE1YsK1f1yW4T EGq0xqTzNd4u7+WOsxK8YgnpVIT9LfVI/XLR4BXOrIzVDGLIMbfnpMrcrcb4e2ySjj ulbTa4dyl3H1k5OpiGS1vqN7Vfvjcay9+1yJI7VtyZsDlFIN4t2cLTvsZ2hKxsYL/K VVoXgK+kDXpcOG+q1ck+RTngYQYWXM23BwZBgv/Y6zeqqg1vNZcHLwH41x+YPXCfpD aB9P09m5Q5VsQ== From: Damien Le Moal To: Jens Axboe , linux-block@vger.kernel.org Cc: Christoph Hellwig Subject: [PATCH v6 10/12] block: fail zone management operations to read-only and offline zones Date: Mon, 31 Aug 2026 12:41:07 +0900 Message-ID: <20260831034109.744039-11-dlemoal@kernel.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260831034109.744039-1-dlemoal@kernel.org> References: <20260831034109.744039-1-dlemoal@kernel.org> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Any zone management operation targeting a zone that is in the read-only or offline condition will fail. So there is no point in issuing such BIO. Modify the check in submit_bio_noacct() to use the new helper function bdev_zone_mgmt_allowed() to check that a zone is sequential (as was checked before) and also that the zone is not offline nor read-only. Signed-off-by: Damien Le Moal Reviewed-by: Bart Van Assche Reviewed-by: Hannes Reinecke Reviewed-by: Christoph Hellwig --- block/blk-core.c | 7 +++++-- block/blk-zoned.c | 25 +++++++++++++++++++++++++ block/blk.h | 6 ++++++ 3 files changed, 36 insertions(+), 2 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index 196bccf27f58..13dc70e8f55d 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -901,8 +901,11 @@ void submit_bio_noacct(struct bio *bio) case REQ_OP_ZONE_CLOSE: case REQ_OP_ZONE_RESET: case REQ_OP_ZONE_FINISH: - /* Zone management operations require sequential zones. */ - if (!bdev_zone_is_seq(bio->bi_bdev, bio->bi_iter.bi_sector)) + /* + * Zone management operations require sequential zones that are + * not offline nor read-only. + */ + if (!bdev_zone_mgmt_allowed(bdev, bio->bi_iter.bi_sector)) goto end_io; break; case REQ_OP_ZONE_RESET_ALL: diff --git a/block/blk-zoned.c b/block/blk-zoned.c index 576f82b605a0..57006c595ca8 100644 --- a/block/blk-zoned.c +++ b/block/blk-zoned.c @@ -323,6 +323,31 @@ bool bdev_zone_is_seq(struct block_device *bdev, sector_t sector) } EXPORT_SYMBOL_GPL(bdev_zone_is_seq); +/** + * bdev_zone_mgmt_allowed - check if management operations are allowed on a zone + * @bdev: block device to check + * @sector: sector number + * + * Check if the zone containing @sector on @bdev can be a target for a zone + * management operation, that is, if the zone is a sequential write required + * zone that is not offline nor read-only. + */ +bool bdev_zone_mgmt_allowed(struct block_device *bdev, sector_t sector) +{ + enum blk_zone_cond cond; + u8 zs; + + if (!bdev_is_zoned(bdev)) + return false; + + zs = disk_zone_get_state(bdev->bd_disk, sector); + if (blk_zstate_is_conv(zs)) + return false; + + cond = blk_zstate_to_zone_cond(zs); + return !disk_zone_cond_is_offline_or_readonly(cond); +} + /* * Zone report arguments for block device drivers report_zones operation. * @cb: report_zones_cb callback for each reported zone. diff --git a/block/blk.h b/block/blk.h index 50abfd932886..2cc03aa54c53 100644 --- a/block/blk.h +++ b/block/blk.h @@ -577,6 +577,7 @@ int blkdev_report_zones_ioctl(struct block_device *bdev, unsigned int cmd, unsigned long arg); int blkdev_zone_mgmt_ioctl(struct block_device *bdev, blk_mode_t mode, unsigned int cmd, unsigned long arg); +bool bdev_zone_mgmt_allowed(struct block_device *bdev, sector_t sector); #else /* CONFIG_BLK_DEV_ZONED */ static inline void disk_init_zone_resources(struct gendisk *disk) { @@ -619,6 +620,11 @@ static inline int blkdev_zone_mgmt_ioctl(struct block_device *bdev, { return -ENOTTY; } +static inline bool bdev_zone_mgmt_allowed(struct block_device *bdev, + sector_t sector) +{ + return false; +} #endif /* CONFIG_BLK_DEV_ZONED */ struct block_device *bdev_alloc(struct gendisk *disk, u8 partno); -- 2.55.0