From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 BC9C637755D; Tue, 17 Feb 2026 20:41:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771360898; cv=none; b=U6hTKjLaXbsvAg2Avx8YHjgPA9GaUA37x7TQrlP9ZV1tj6DAq9twrwHFs58rL911G/NO5D39VsyyekbRc3kvo47J8hLpqmUmUopxmdhyfRA3n7qIQely1k7QAK8aMxEBwv/K71T/fyN/TuIG6da1ZBvQSGD7pAqBbz+1VNuaxtY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771360898; c=relaxed/simple; bh=uo5MBWpdrCxZGr655BaD2iylD+a/uwsIa5UBXDILV7U=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=XVbX+1DbQFb319AcB9/zY7ZXzo3OwzXi446YPvfVfcuf4nMTXRBh5CiVVN07laDVgGc7XYZFTRLRlK6gTXcRHhmGT/kduvZSu7gVtUCSiBb2kt8dV1TzrvcmaAY9HwQ+f4bZPd5qDAk+eL8x+EPumtr7J8JpLY8oYMnbx5iLkhQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=wDDpblkr; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="wDDpblkr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BA66AC4CEF7; Tue, 17 Feb 2026 20:41:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1771360898; bh=uo5MBWpdrCxZGr655BaD2iylD+a/uwsIa5UBXDILV7U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=wDDpblkrnV9VhAQ6QQUEMDcBO/wpqN88PIL/6r7r6tvl4s4E+EtFAoTcH6j4pN0vw /srBhkoY8tzSLia6sl1uL9oiAi3nC3iCzWYlm+udzmD//njvI9t5ADGSWBIwSAr+3f OmMDlbCHifj6l74bJCwSLZ+8A51vkN+q+9mNjqtM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Wenjie Qi , Chao Yu , Daeho Jeong , Jaegeuk Kim , Sasha Levin Subject: [PATCH 6.6 36/39] f2fs: fix zoned block device information initialization Date: Tue, 17 Feb 2026 21:30:58 +0100 Message-ID: <20260217200005.595875080@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260217200004.221651386@linuxfoundation.org> References: <20260217200004.221651386@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Wenjie Qi [ Upstream commit 0f9b12142be1af8555cfe53c6fbecb8e60a40dac ] If the max open zones of zoned devices are less than the active logs of F2FS, the device may error due to insufficient zone resources when multiple active logs are being written at the same time. Signed-off-by: Wenjie Qi Signed-off-by: Chao Yu Reviewed-by: Daeho Jeong Signed-off-by: Jaegeuk Kim Stable-dep-of: 5c145c03188b ("f2fs: fix to avoid mapping wrong physical block for swapfile") Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- fs/f2fs/f2fs.h | 1 + fs/f2fs/super.c | 27 +++++++++++++++++++++++++++ 2 files changed, 28 insertions(+) --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1567,6 +1567,7 @@ struct f2fs_sb_info { #ifdef CONFIG_BLK_DEV_ZONED unsigned int blocks_per_blkz; /* F2FS blocks per zone */ + unsigned int max_open_zones; /* max open zone resources of the zoned device */ #endif /* for node-related operations */ --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -2359,6 +2359,17 @@ static int f2fs_remount(struct super_blo if (err) goto restore_opts; +#ifdef CONFIG_BLK_DEV_ZONED + if (f2fs_sb_has_blkzoned(sbi) && + sbi->max_open_zones < F2FS_OPTION(sbi).active_logs) { + f2fs_err(sbi, + "zoned: max open zones %u is too small, need at least %u open zones", + sbi->max_open_zones, F2FS_OPTION(sbi).active_logs); + err = -EINVAL; + goto restore_opts; + } +#endif + /* flush outstanding errors before changing fs state */ flush_work(&sbi->s_error_work); @@ -3902,11 +3913,24 @@ static int init_blkz_info(struct f2fs_sb sector_t nr_sectors = bdev_nr_sectors(bdev); struct f2fs_report_zones_args rep_zone_arg; u64 zone_sectors; + unsigned int max_open_zones; int ret; if (!f2fs_sb_has_blkzoned(sbi)) return 0; + if (bdev_is_zoned(FDEV(devi).bdev)) { + max_open_zones = bdev_max_open_zones(bdev); + if (max_open_zones && (max_open_zones < sbi->max_open_zones)) + sbi->max_open_zones = max_open_zones; + if (sbi->max_open_zones < F2FS_OPTION(sbi).active_logs) { + f2fs_err(sbi, + "zoned: max open zones %u is too small, need at least %u open zones", + sbi->max_open_zones, F2FS_OPTION(sbi).active_logs); + return -EINVAL; + } + } + zone_sectors = bdev_zone_sectors(bdev); if (sbi->blocks_per_blkz && sbi->blocks_per_blkz != SECTOR_TO_BLOCK(zone_sectors)) @@ -4188,6 +4212,9 @@ static int f2fs_scan_devices(struct f2fs logical_blksize = bdev_logical_block_size(sbi->sb->s_bdev); sbi->aligned_blksize = true; +#ifdef CONFIG_BLK_DEV_ZONED + sbi->max_open_zones = UINT_MAX; +#endif for (i = 0; i < max_devices; i++) { if (i == 0)