From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AE6B6C2D0CD for ; Tue, 17 Dec 2019 15:37:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 84ACA2067C for ; Tue, 17 Dec 2019 15:37:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=toxicpanda-com.20150623.gappssmtp.com header.i=@toxicpanda-com.20150623.gappssmtp.com header.b="ItOu3sFh" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728653AbfLQPhx (ORCPT ); Tue, 17 Dec 2019 10:37:53 -0500 Received: from mail-qt1-f195.google.com ([209.85.160.195]:43887 "EHLO mail-qt1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728642AbfLQPhx (ORCPT ); Tue, 17 Dec 2019 10:37:53 -0500 Received: by mail-qt1-f195.google.com with SMTP id b3so9012426qti.10 for ; Tue, 17 Dec 2019 07:37:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=toxicpanda-com.20150623.gappssmtp.com; s=20150623; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=f2TST9dJu+A6dXCHQVy+3rk00jr+PHxV3GlpwRtCYLU=; b=ItOu3sFhWn8oMLg8S+E2v7rP5ve2OEPUmgkn2ssUrUwk5KG1/lkT6uVSAqvsQ93NHl mXKIldZewU1xQHyCGGE25/EYWqJLs3xZQauoJzb46/xuXfYn1grs/VOXRl0fQeo9RUPC Zlo1rV4oPDZkoXc4JtA/uSp62m/s7AwVMgPoIaN2yPth2Q8HSNVO+CJeqUQqDoxKRCwD Omesg19YxKSgboelEM9kmTP94qaGMODb4M7cDTIMNGNF77VzA/8r/VXtR7QZawBg/xtp V5OR0KOi1PLo4BsCEkLbkEzkFJNNfGp/by8KccVYn40gAJLPlWhzbX3DJO9t6WwXn0hR e4yQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=f2TST9dJu+A6dXCHQVy+3rk00jr+PHxV3GlpwRtCYLU=; b=mw40WR94QyRKnaTY7JAMbVijihxznpyOkl4y+SnL+zjjfNbbLc28Q7XgnN99AH/V0v phIkYp+X2Hg2WXFykSIomv32HJlDdGtDD9jGwN5ywuh66/5u4SVk8mMBkMCqURNGcV7c OAPGAZgUhvmWPnh8+FF319D9yHQa5HpoSzTxz0GdKzWhDg4Cb723jigTSEkSyOJiXnpA k2hWtB+sWBRZ/SSSXoyoWWD/A5eicUh9/OkVdNfIfGimesHNUAVa81l7OyjbKqBDyk6I gfKGxFSRQ047WiKzoT8qqFKbEdZ2EL0gRbXoHqdXmBX7Ze6USdUrURFqaZ/lbc2+SGi6 XGhw== X-Gm-Message-State: APjAAAVTBrUWCp9UAPiYGiAiGWl+TU6jCLltsxZGvLj4voIrbnq8aug+ kHYeGqlV8+NxVQBpF0oMoOHH90vW3x/a8A== X-Google-Smtp-Source: APXvYqwdIm01WhCJQ2eBEzdrj+UqiYzkOH0PlTYyGr+uXvve1RT4pyegcSeLDRZBB/vePgvN9js9QQ== X-Received: by 2002:aed:304e:: with SMTP id 72mr4901501qte.113.1576597071965; Tue, 17 Dec 2019 07:37:51 -0800 (PST) Received: from localhost ([107.15.81.208]) by smtp.gmail.com with ESMTPSA id q30sm8171704qtd.5.2019.12.17.07.37.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Dec 2019 07:37:51 -0800 (PST) From: Josef Bacik To: linux-btrfs@vger.kernel.org, kernel-team@fb.com Subject: [PATCH 41/45] btrfs: free more things in btrfs_free_fs_info Date: Tue, 17 Dec 2019 10:36:31 -0500 Message-Id: <20191217153635.44733-42-josef@toxicpanda.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191217153635.44733-1-josef@toxicpanda.com> References: <20191217153635.44733-1-josef@toxicpanda.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Things like the percpu_counters, the mapping_tree, and the csum hash can all be free'd at btrfs_free_fs_info time, since the helpers all check if the structure has been init'ed already. This significantly cleans up the error cases in open_ctree. Signed-off-by: Josef Bacik --- fs/btrfs/disk-io.c | 60 +++++++++++++++++++--------------------------- 1 file changed, 24 insertions(+), 36 deletions(-) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 64e9df8e64fd..b13f3f6e326d 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -97,6 +97,12 @@ void __cold btrfs_end_io_wq_exit(void) kmem_cache_destroy(btrfs_end_io_wq_cache); } +static void btrfs_free_csum_hash(struct btrfs_fs_info *fs_info) +{ + if (fs_info->csum_shash) + crypto_free_shash(fs_info->csum_shash); +} + /* * async submit bios are used to offload expensive checksumming * onto the worker threads. They checksum file and metadata bios @@ -1529,6 +1535,13 @@ int btrfs_insert_fs_root(struct btrfs_fs_info *fs_info, void btrfs_free_fs_info(struct btrfs_fs_info *fs_info) { + percpu_counter_destroy(&fs_info->dirty_metadata_bytes); + percpu_counter_destroy(&fs_info->delalloc_bytes); + percpu_counter_destroy(&fs_info->dio_bytes); + percpu_counter_destroy(&fs_info->dev_replace.bio_counter); + btrfs_free_csum_hash(fs_info); + btrfs_free_stripe_hash_table(fs_info); + btrfs_free_ref_cache(fs_info); kfree(fs_info->balance_ctl); kfree(fs_info->delayed_root); btrfs_put_fs_root(fs_info->extent_root); @@ -2204,11 +2217,6 @@ static int btrfs_init_csum_hash(struct btrfs_fs_info *fs_info, u16 csum_type) return 0; } -static void btrfs_free_csum_hash(struct btrfs_fs_info *fs_info) -{ - crypto_free_shash(fs_info->csum_shash); -} - static int btrfs_replay_log(struct btrfs_fs_info *fs_info, struct btrfs_fs_devices *fs_devices) { @@ -2683,7 +2691,7 @@ int __cold open_ctree(struct super_block *sb, ret = percpu_counter_init(&fs_info->dirty_metadata_bytes, 0, GFP_KERNEL); if (ret) { err = ret; - goto fail_dio_bytes; + goto fail_srcu; } fs_info->dirty_metadata_batch = PAGE_SIZE * (1 + ilog2(nr_cpu_ids)); @@ -2691,14 +2699,14 @@ int __cold open_ctree(struct super_block *sb, ret = percpu_counter_init(&fs_info->delalloc_bytes, 0, GFP_KERNEL); if (ret) { err = ret; - goto fail_dirty_metadata_bytes; + goto fail_srcu; } ret = percpu_counter_init(&fs_info->dev_replace.bio_counter, 0, GFP_KERNEL); if (ret) { err = ret; - goto fail_delalloc_bytes; + goto fail_srcu; } INIT_RADIX_TREE(&fs_info->fs_roots_radix, GFP_ATOMIC); @@ -2766,7 +2774,7 @@ int __cold open_ctree(struct super_block *sb, fs_info->btree_inode = new_inode(sb); if (!fs_info->btree_inode) { err = -ENOMEM; - goto fail_bio_counter; + goto fail_srcu; } mapping_set_gfp_mask(fs_info->btree_inode->i_mapping, GFP_NOFS); @@ -2878,7 +2886,7 @@ int __cold open_ctree(struct super_block *sb, btrfs_err(fs_info, "superblock checksum mismatch"); err = -EINVAL; brelse(bh); - goto fail_csum; + goto fail_alloc; } /* @@ -2915,11 +2923,11 @@ int __cold open_ctree(struct super_block *sb, if (ret) { btrfs_err(fs_info, "superblock contains fatal errors"); err = -EINVAL; - goto fail_csum; + goto fail_alloc; } if (!btrfs_super_root(disk_super)) - goto fail_csum; + goto fail_alloc; /* check FS state, whether FS is broken. */ if (btrfs_super_flags(disk_super) & BTRFS_SUPER_FLAG_ERROR) @@ -2934,7 +2942,7 @@ int __cold open_ctree(struct super_block *sb, ret = btrfs_parse_options(fs_info, options, sb->s_flags); if (ret) { err = ret; - goto fail_csum; + goto fail_alloc; } features = btrfs_super_incompat_flags(disk_super) & @@ -2944,7 +2952,7 @@ int __cold open_ctree(struct super_block *sb, "cannot mount because of unsupported optional features (%llx)", features); err = -EINVAL; - goto fail_csum; + goto fail_alloc; } features = btrfs_super_incompat_flags(disk_super); @@ -2988,7 +2996,7 @@ int __cold open_ctree(struct super_block *sb, btrfs_err(fs_info, "unequal nodesize/sectorsize (%u != %u) are not allowed for mixed block groups", nodesize, sectorsize); - goto fail_csum; + goto fail_alloc; } /* @@ -3004,7 +3012,7 @@ int __cold open_ctree(struct super_block *sb, "cannot mount read-write because of unsupported optional features (%llx)", features); err = -EINVAL; - goto fail_csum; + goto fail_alloc; } ret = btrfs_init_workqueues(fs_info, fs_devices); @@ -3345,25 +3353,14 @@ int __cold open_ctree(struct super_block *sb, fail_sb_buffer: btrfs_stop_all_workers(fs_info); btrfs_free_block_groups(fs_info); -fail_csum: - btrfs_free_csum_hash(fs_info); fail_alloc: fail_iput: btrfs_mapping_tree_free(&fs_info->mapping_tree); iput(fs_info->btree_inode); -fail_bio_counter: - percpu_counter_destroy(&fs_info->dev_replace.bio_counter); -fail_delalloc_bytes: - percpu_counter_destroy(&fs_info->delalloc_bytes); -fail_dirty_metadata_bytes: - percpu_counter_destroy(&fs_info->dirty_metadata_bytes); -fail_dio_bytes: - percpu_counter_destroy(&fs_info->dio_bytes); fail_srcu: cleanup_srcu_struct(&fs_info->subvol_srcu); fail: - btrfs_free_stripe_hash_table(fs_info); btrfs_close_devices(fs_info->fs_devices); return err; } @@ -4060,16 +4057,7 @@ void __cold close_ctree(struct btrfs_fs_info *fs_info) btrfs_mapping_tree_free(&fs_info->mapping_tree); btrfs_close_devices(fs_info->fs_devices); - - percpu_counter_destroy(&fs_info->dirty_metadata_bytes); - percpu_counter_destroy(&fs_info->delalloc_bytes); - percpu_counter_destroy(&fs_info->dio_bytes); - percpu_counter_destroy(&fs_info->dev_replace.bio_counter); cleanup_srcu_struct(&fs_info->subvol_srcu); - - btrfs_free_csum_hash(fs_info); - btrfs_free_stripe_hash_table(fs_info); - btrfs_free_ref_cache(fs_info); } int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid, -- 2.23.0