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=-10.0 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,URIBL_BLOCKED,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 2C2BAC49ED6 for ; Wed, 11 Sep 2019 15:26:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F3DBA2084D for ; Wed, 11 Sep 2019 15:26:29 +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="rQUz5q/Z" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728552AbfIKP03 (ORCPT ); Wed, 11 Sep 2019 11:26:29 -0400 Received: from mail-qk1-f194.google.com ([209.85.222.194]:40743 "EHLO mail-qk1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727581AbfIKP03 (ORCPT ); Wed, 11 Sep 2019 11:26:29 -0400 Received: by mail-qk1-f194.google.com with SMTP id y144so13130880qkb.7 for ; Wed, 11 Sep 2019 08:26:28 -0700 (PDT) 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=B6hJSVUHrKZ8eY2kCiTt3uaSh6jMgto2MY5oGUhfO1w=; b=rQUz5q/ZSiOmkfG/YP0/1imJNMco8jYd9KXUCFyf4obvYkgYSel2dAdVbnouTfL4B9 hdOcBDBtl4Ls1EBq1/Ftqc8COdLrgmWA4M+219tJrPbTCQBPaq/2/i7t3d6V3bx05Dem v8GOQ4pcp0+tF+bKCx1oM8qLV7eM/q4zWDxm//ScXrBlV5QCrb+dX0l2Fq1FJmx3geXP vT7SpBw3Y6r447jS6a0bwfK++G5YErjtPKg4IFjQMxLXBHaQQ6zD0RXH3j1bErs0n6I7 L6jYzbJx1ID17yFLUrjlxBMPdJlOJB+XSnTYpb+jtLzHmRL3YK1w7JhvXVdx334b+5XS +S9g== 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=B6hJSVUHrKZ8eY2kCiTt3uaSh6jMgto2MY5oGUhfO1w=; b=S0vMpZpX9Gwrlg2FCaiBDAHaG4v7HSUWLfhl8nNVOqCNdfCyAdOuudV0XNfT3jM6Sp ZT2U20jRtGu4ufx0ZyLICk8Xm5SQ2wWvqb5YNqLAINrTTwGmc4xfGve+AKStyXQ39SRV iptxQd6paAKZsHOss+XoRhF/u62cKJrudiSz3Ze0RECMuS67/Ibq2ApCRZ4hbcDs124x /aV5f9/ZJ9/hQm2ygl1Dy3Y3cXre4O5DWzo4fwMW0VQ15QXcbYp7M9NziN2jNqhT9bo0 vq8JYwHHMEQbdCmtLYEIFiVwU4LRY1wO0e1Z87w9xyw8/ks1iVme9Di1/R+LlI86wi6g jJSw== X-Gm-Message-State: APjAAAUzn/NCzFj9Oha7k+OlzB14jAlU2ezS7AFPYJqaGc7Mj9Gl3dgU BXgvSPS7RD4plpMV7mqAVFVzX71pHQEwFg== X-Google-Smtp-Source: APXvYqyaJ9+Vi0PHG87S9g5RqkTyk/SYTjgYYbA1Zvo/MM9RoDBzbJqpbzP1fOYEsS8JBSn9gnHfMg== X-Received: by 2002:a37:9c81:: with SMTP id f123mr36018681qke.66.1568215587717; Wed, 11 Sep 2019 08:26:27 -0700 (PDT) Received: from localhost ([107.15.81.208]) by smtp.gmail.com with ESMTPSA id b1sm5101875qkk.72.2019.09.11.08.26.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Sep 2019 08:26:26 -0700 (PDT) From: Josef Bacik To: linux-btrfs@vger.kernel.org, kernel-team@fb.com Subject: [PATCH 7/9] btrfs: separate out the extent buffer init code Date: Wed, 11 Sep 2019 11:26:09 -0400 Message-Id: <20190911152611.3393-8-josef@toxicpanda.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190911152611.3393-1-josef@toxicpanda.com> References: <20190911152611.3393-1-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 We want to move this into it's own file, so separate out the init/exit code for setting up the extent_buffer cache. Signed-off-by: Josef Bacik --- fs/btrfs/extent_io.c | 36 +++++++++++++++++++----------------- fs/btrfs/extent_io.h | 2 ++ fs/btrfs/super.c | 9 ++++++++- 3 files changed, 29 insertions(+), 18 deletions(-) diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 80c105b78bbf..d8acf5df35e7 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -135,32 +135,30 @@ static int __must_check flush_write_bio(struct extent_page_data *epd) int __init extent_io_init(void) { - extent_buffer_cache = kmem_cache_create("btrfs_extent_buffer", - sizeof(struct extent_buffer), 0, - SLAB_MEM_SPREAD, NULL); - if (!extent_buffer_cache) - return -ENOMEM; - if (bioset_init(&btrfs_bioset, BIO_POOL_SIZE, offsetof(struct btrfs_io_bio, bio), BIOSET_NEED_BVECS)) - goto free_buffer_cache; + return -ENOMEM; - if (bioset_integrity_create(&btrfs_bioset, BIO_POOL_SIZE)) - goto free_bioset; + if (bioset_integrity_create(&btrfs_bioset, BIO_POOL_SIZE)) { + bioset_exit(&btrfs_bioset); + return -ENOMEM; + } return 0; +} -free_bioset: - bioset_exit(&btrfs_bioset); - -free_buffer_cache: - kmem_cache_destroy(extent_buffer_cache); - extent_buffer_cache = NULL; - return -ENOMEM; +int __init extent_buffer_init(void) +{ + extent_buffer_cache = kmem_cache_create("btrfs_extent_buffer", + sizeof(struct extent_buffer), 0, + SLAB_MEM_SPREAD, NULL); + if (!extent_buffer_cache) + return -ENOMEM; + return 0; } -void __cold extent_io_exit(void) +void __cold extent_buffer_exit(void) { btrfs_extent_buffer_leak_debug_check(); @@ -170,6 +168,10 @@ void __cold extent_io_exit(void) */ rcu_barrier(); kmem_cache_destroy(extent_buffer_cache); +} + +void __cold extent_io_exit(void) +{ bioset_exit(&btrfs_bioset); } diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index e22045cef89b..e2246956e544 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -332,4 +332,6 @@ bool find_lock_delalloc_range(struct inode *inode, #endif struct extent_buffer *alloc_test_extent_buffer(struct btrfs_fs_info *fs_info, u64 start); +int __init extent_buffer_init(void); +void __cold extent_buffer_exit(void); #endif diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 843015b9a11e..7207bb39f236 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -2360,10 +2360,14 @@ static int __init init_btrfs_fs(void) if (err) goto free_cachep; - err = extent_state_cache_init(); + err = extent_buffer_init(); if (err) goto free_extent_io; + err = extent_state_cache_init(); + if (err) + goto free_extent_buffer; + err = extent_map_init(); if (err) goto free_extent_state_cache; @@ -2428,6 +2432,8 @@ static int __init init_btrfs_fs(void) extent_map_exit(); free_extent_state_cache: extent_state_cache_exit(); +free_extent_buffer: + extent_buffer_exit(); free_extent_io: extent_io_exit(); free_cachep: @@ -2449,6 +2455,7 @@ static void __exit exit_btrfs_fs(void) ordered_data_exit(); extent_map_exit(); extent_state_cache_exit(); + extent_buffer_exit(); extent_io_exit(); btrfs_interface_exit(); btrfs_end_io_wq_exit(); -- 2.21.0