From patchwork Thu Jan 25 16:53:27 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johannes Thumshirn X-Patchwork-Id: 13531452 Received: from esa5.hgst.iphmx.com (esa5.hgst.iphmx.com [216.71.153.144]) (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 4F566130E31; Thu, 25 Jan 2024 16:53:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.71.153.144 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706201631; cv=none; b=gSAzxyw5zRerHpsxc6EDauf4K8j2dBVzGqpHBclJfvhBXr83JJCBostcUbStKBTFphvssV4eGlO0EVADoHEa/C4/2hkzmQ/DI69RI6iyAKJrIIF5vXS427cwuY6IsYH1DPTyYQWwooiJIqL74kJmLsibt6ScPWCjd2WaGmDhz8I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706201631; c=relaxed/simple; bh=jxy1iW5YBQpx2L/2XzM+MqzG0Ug1dnhtomAoOd2ZnbI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=TtJNx8xJkOKH1jYE4w1/63hduJ/kY2BmZl5PccxnluxbnJ5K3u8sqgWs2gTBZrxvNpc7GqjN5zTqFzmwc9vIeVasAZDPPxjW0rsWU3cx1yse4TEy8b1rzCjhoxKk4EZg5bXB4DElhbBLZSqGGnR6DA8pl4gOuh/qWJq3NDuhb7k= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=wdc.com; spf=pass smtp.mailfrom=wdc.com; dkim=pass (2048-bit key) header.d=wdc.com header.i=@wdc.com header.b=AbjrdRdY; arc=none smtp.client-ip=216.71.153.144 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=wdc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=wdc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=wdc.com header.i=@wdc.com header.b="AbjrdRdY" DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1706201629; x=1737737629; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=jxy1iW5YBQpx2L/2XzM+MqzG0Ug1dnhtomAoOd2ZnbI=; b=AbjrdRdY1WGepAZHly8a8rkM3pOAqvKTJUcO3jk8I4ZbDqXCK68r8l3y mf93ET0it2DnXy19iJqHwT4jda8Vpz5VZIU6+58zQwvMd2GCRY50Dpye4 DmYnIuX0nFX+ZC/k1mPgAg5YDDgdG9wWwwzt6Pagwo1n7WJ7aKYDl6+Yq mCFdPMDhDWor4yDkckuP6pBy+CiQq+ooLMRQM2PshnDeD8fSqUaSfv66c QzLnsqtJ74DhkJ74VGbaiVaqnSFcrS9fkwFUM+pbbWma3FfIDn/Gg3nff fCNaGo3JtIaEHFEj+hFK12QGbh0P3pKyxFIdH8bvwsj/jzw7Aa+vBSjd2 g==; X-CSE-ConnectionGUID: h/9/xjg4QHOslyrku6ABYQ== X-CSE-MsgGUID: se0jx8kXSdaHVUyLDOJOgA== X-IronPort-AV: E=Sophos;i="6.05,216,1701100800"; d="scan'208";a="8248267" Received: from uls-op-cesaip01.wdc.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 26 Jan 2024 00:53:48 +0800 IronPort-SDR: 52mo72Y+rGnhGos/fvRZWn5vj5yGUvF6EXI4gvOkTGXuGJZjT3mEuW9akUkqPCx+jlF5dYxAIu 4S1XdqHbEc+A== Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 25 Jan 2024 08:03:48 -0800 IronPort-SDR: vvINqP4GdCHHBUjrb+eTmiCcQWnfbMc+2pMGcRzFL6dLXp7d61N849rxXvVPTSMHLUafyk3OEY WA9UeNNLFunA== WDCIronportException: Internal Received: from unknown (HELO redsun91.ssa.fujisawa.hgst.com) ([10.149.66.6]) by uls-op-cesaip01.wdc.com with ESMTP; 25 Jan 2024 08:53:45 -0800 From: Johannes Thumshirn Date: Thu, 25 Jan 2024 08:53:27 -0800 Subject: [PATCH v2 4/5] f2fs: guard blkdev_zone_mgmt with nofs scope Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240125-zonefs_nofs-v2-4-2d975c8c1690@wdc.com> References: <20240125-zonefs_nofs-v2-0-2d975c8c1690@wdc.com> In-Reply-To: <20240125-zonefs_nofs-v2-0-2d975c8c1690@wdc.com> To: Damien Le Moal , Naohiro Aota , Johannes Thumshirn , Alasdair Kergon , Mike Snitzer , Mikulas Patocka , dm-devel@lists.linux.dev, Chris Mason , Josef Bacik , David Sterba , Jaegeuk Kim , Chao Yu , Jens Axboe , Christoph Hellwig , Sagi Grimberg , Chaitanya Kulkarni Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, Johannes Thumshirn X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1706201608; l=1916; i=johannes.thumshirn@wdc.com; s=20230613; h=from:subject:message-id; bh=jxy1iW5YBQpx2L/2XzM+MqzG0Ug1dnhtomAoOd2ZnbI=; b=6us0f0y8sZaGXrk0YEnbz9rCMC7kxZhDixZl391EGOrX5/lIDzriXPbrRnxwUUYl4Zr6sOeSq 7toptEmDVs6Bj71yz4Kq8CNaR0lPsnmNTeTOXYxfHWc5XpmvrxgA/Op X-Developer-Key: i=johannes.thumshirn@wdc.com; a=ed25519; pk=TGmHKs78FdPi+QhrViEvjKIGwReUGCfa+3LEnGoR2KM= Guard the calls to blkdev_zone_mgmt() with a memalloc_nofs scope. This helps us getting rid of the GFP_NOFS argument to blkdev_zone_mgmt(); Signed-off-by: Johannes Thumshirn --- fs/f2fs/segment.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 4c8836ded90f..0094fe491364 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -1971,9 +1971,15 @@ static int __f2fs_issue_discard_zone(struct f2fs_sb_info *sbi, } if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING))) { + unsigned int nofs_flags; + int ret; + trace_f2fs_issue_reset_zone(bdev, blkstart); - return blkdev_zone_mgmt(bdev, REQ_OP_ZONE_RESET, - sector, nr_sects, GFP_NOFS); + nofs_flags = memalloc_nofs_save(); + ret = blkdev_zone_mgmt(bdev, REQ_OP_ZONE_RESET, + sector, nr_sects, GFP_KERNEL); + memalloc_nofs_restore(nofs_flags); + return ret; } __queue_zone_reset_cmd(sbi, bdev, blkstart, lblkstart, blklen); @@ -4865,6 +4871,7 @@ static int check_zone_write_pointer(struct f2fs_sb_info *sbi, block_t zone_block, valid_block_cnt; unsigned int log_sectors_per_block = sbi->log_blocksize - SECTOR_SHIFT; int ret; + unsigned int nofs_flags; if (zone->type != BLK_ZONE_TYPE_SEQWRITE_REQ) return 0; @@ -4912,8 +4919,10 @@ static int check_zone_write_pointer(struct f2fs_sb_info *sbi, "pointer: valid block[0x%x,0x%x] cond[0x%x]", zone_segno, valid_block_cnt, zone->cond); + nofs_flags = memalloc_nofs_save(); ret = blkdev_zone_mgmt(fdev->bdev, REQ_OP_ZONE_FINISH, - zone->start, zone->len, GFP_NOFS); + zone->start, zone->len, GFP_KERNEL); + memalloc_nofs_restore(nofs_flags); if (ret == -EOPNOTSUPP) { ret = blkdev_issue_zeroout(fdev->bdev, zone->wp, zone->len - (zone->wp - zone->start),