From patchwork Tue Jul 23 08:32:39 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Youling Tang X-Patchwork-Id: 13739722 Received: from out-170.mta0.migadu.com (out-170.mta0.migadu.com [91.218.175.170]) (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 86DDF14EC41 for ; Tue, 23 Jul 2024 08:33:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.170 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721723608; cv=none; b=PlD6eHvujb2wjThXtgQ6igpc1naAPCIYh8DfeMFimbM/6dfJkmQEBnlSgnD6pNW4bWqc7/NzbfDIZfngo3AjwOckJzHqAuDpExZLAKHKSxO/Y8IQbjgwJ9rnwmjeIcLHFJTEtN60S5okkcw6/uWEgC48rAEZURsHd7asdzfgHjs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721723608; c=relaxed/simple; bh=8qpU8QvLN6vXVX/x53G5eEe50VLRRBnIA+358suYNzQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=hP8Vof/SwnlHU5ZcAnZ2TvLOHIEDT/iDyA5RP8tzJ9Qih+OJOemoFDoVUMTQ5/xDGTIRNeb/2lZ6/FaYKEJYWzHFqO1M9/dlAxN6PFw7B37bppdb8PzHYVQhPPfZebHXi09CcCIVkL0PxTuqXmwEAELWy4gFhUMto/OXON6hqZE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=N70Hycgd; arc=none smtp.client-ip=91.218.175.170 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="N70Hycgd" X-Envelope-To: arnd@arndb.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1721723604; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Cje3Y5ms0q2wZZ3qNUkIwaPZ+RsvLH8H4iju91pzTbQ=; b=N70HycgdIR3ibRzffZLSSKoDwX0DMnfVNAP+94kP0Xckzmrh1ehHKiU2DX7lqmSsF2JTQ5 aW8Lczzik40cmq6WMH0uY9KDoAMZ73kYcxd03FbPixjXXddnWVkoK9zAL6DSsO07vAiecE XydOC3tGCZiWKDPxNjOO63qsWY0TBFg= X-Envelope-To: mcgrof@kernel.org X-Envelope-To: clm@fb.com X-Envelope-To: josef@toxicpanda.com X-Envelope-To: dsterba@suse.com X-Envelope-To: tytso@mit.edu X-Envelope-To: adilger.kernel@dilger.ca X-Envelope-To: jaegeuk@kernel.org X-Envelope-To: chao@kernel.org X-Envelope-To: hch@infradead.org X-Envelope-To: linux-arch@vger.kernel.org X-Envelope-To: linux-kernel@vger.kernel.org X-Envelope-To: linux-modules@vger.kernel.org X-Envelope-To: linux-btrfs@vger.kernel.org X-Envelope-To: linux-ext4@vger.kernel.org X-Envelope-To: linux-f2fs-devel@lists.sourceforge.net X-Envelope-To: youling.tang@linux.dev X-Envelope-To: tangyouling@kylinos.cn X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Youling Tang To: Arnd Bergmann , Luis Chamberlain , Chris Mason , Josef Bacik , David Sterba , tytso@mit.edu, Andreas Dilger , Jaegeuk Kim , Chao Yu , Christoph Hellwig Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-modules@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, youling.tang@linux.dev, Youling Tang Subject: [PATCH 4/4] f2fs: Use module_{subinit, subeixt} helper macros Date: Tue, 23 Jul 2024 16:32:39 +0800 Message-Id: <20240723083239.41533-5-youling.tang@linux.dev> In-Reply-To: <20240723083239.41533-1-youling.tang@linux.dev> References: <20240723083239.41533-1-youling.tang@linux.dev> Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT From: Youling Tang Use module_{subinit, subinit} to ensure that modules init and exit are in sequence and to simplify the code. Signed-off-by: Youling Tang --- fs/f2fs/debug.c | 3 +- fs/f2fs/f2fs.h | 4 +- fs/f2fs/super.c | 139 +++++++++++------------------------------------- 3 files changed, 36 insertions(+), 110 deletions(-) diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index 8b0e1e71b667..c08ecf807066 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -727,7 +727,7 @@ void f2fs_destroy_stats(struct f2fs_sb_info *sbi) kfree(si); } -void __init f2fs_create_root_stats(void) +int __init f2fs_create_root_stats(void) { #ifdef CONFIG_DEBUG_FS f2fs_debugfs_root = debugfs_create_dir("f2fs", NULL); @@ -735,6 +735,7 @@ void __init f2fs_create_root_stats(void) debugfs_create_file("status", 0444, f2fs_debugfs_root, NULL, &stat_fops); #endif + return 0; } void f2fs_destroy_root_stats(void) diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 8a9d910aa552..b2909383bcd9 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -4100,7 +4100,7 @@ static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) int f2fs_build_stats(struct f2fs_sb_info *sbi); void f2fs_destroy_stats(struct f2fs_sb_info *sbi); -void __init f2fs_create_root_stats(void); +int __init f2fs_create_root_stats(void); void f2fs_destroy_root_stats(void); void f2fs_update_sit_info(struct f2fs_sb_info *sbi); #else @@ -4142,7 +4142,7 @@ void f2fs_update_sit_info(struct f2fs_sb_info *sbi); static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; } static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { } -static inline void __init f2fs_create_root_stats(void) { } +static inline int __init f2fs_create_root_stats(void) { } static inline void f2fs_destroy_root_stats(void) { } static inline void f2fs_update_sit_info(struct f2fs_sb_info *sbi) {} #endif diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index df4cf31f93df..162ec1005b22 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -4940,120 +4940,45 @@ static void destroy_inodecache(void) kmem_cache_destroy(f2fs_inode_cachep); } -static int __init init_f2fs_fs(void) +static int register_f2fs(void) { - int err; + return register_filesystem(&f2fs_fs_type); +} - err = init_inodecache(); - if (err) - goto fail; - err = f2fs_create_node_manager_caches(); - if (err) - goto free_inodecache; - err = f2fs_create_segment_manager_caches(); - if (err) - goto free_node_manager_caches; - err = f2fs_create_checkpoint_caches(); - if (err) - goto free_segment_manager_caches; - err = f2fs_create_recovery_cache(); - if (err) - goto free_checkpoint_caches; - err = f2fs_create_extent_cache(); - if (err) - goto free_recovery_cache; - err = f2fs_create_garbage_collection_cache(); - if (err) - goto free_extent_cache; - err = f2fs_init_sysfs(); - if (err) - goto free_garbage_collection_cache; - err = f2fs_init_shrinker(); - if (err) - goto free_sysfs; - err = register_filesystem(&f2fs_fs_type); - if (err) - goto free_shrinker; - f2fs_create_root_stats(); - err = f2fs_init_post_read_processing(); - if (err) - goto free_root_stats; - err = f2fs_init_iostat_processing(); - if (err) - goto free_post_read; - err = f2fs_init_bio_entry_cache(); - if (err) - goto free_iostat; - err = f2fs_init_bioset(); - if (err) - goto free_bio_entry_cache; - err = f2fs_init_compress_mempool(); - if (err) - goto free_bioset; - err = f2fs_init_compress_cache(); - if (err) - goto free_compress_mempool; - err = f2fs_create_casefold_cache(); - if (err) - goto free_compress_cache; - return 0; -free_compress_cache: - f2fs_destroy_compress_cache(); -free_compress_mempool: - f2fs_destroy_compress_mempool(); -free_bioset: - f2fs_destroy_bioset(); -free_bio_entry_cache: - f2fs_destroy_bio_entry_cache(); -free_iostat: - f2fs_destroy_iostat_processing(); -free_post_read: - f2fs_destroy_post_read_processing(); -free_root_stats: - f2fs_destroy_root_stats(); +static void unregister_f2fs(void) +{ unregister_filesystem(&f2fs_fs_type); -free_shrinker: - f2fs_exit_shrinker(); -free_sysfs: - f2fs_exit_sysfs(); -free_garbage_collection_cache: - f2fs_destroy_garbage_collection_cache(); -free_extent_cache: - f2fs_destroy_extent_cache(); -free_recovery_cache: - f2fs_destroy_recovery_cache(); -free_checkpoint_caches: - f2fs_destroy_checkpoint_caches(); -free_segment_manager_caches: - f2fs_destroy_segment_manager_caches(); -free_node_manager_caches: - f2fs_destroy_node_manager_caches(); -free_inodecache: - destroy_inodecache(); -fail: - return err; } +static struct subexitcall_rollback rollback; + static void __exit exit_f2fs_fs(void) { - f2fs_destroy_casefold_cache(); - f2fs_destroy_compress_cache(); - f2fs_destroy_compress_mempool(); - f2fs_destroy_bioset(); - f2fs_destroy_bio_entry_cache(); - f2fs_destroy_iostat_processing(); - f2fs_destroy_post_read_processing(); - f2fs_destroy_root_stats(); - unregister_filesystem(&f2fs_fs_type); - f2fs_exit_shrinker(); - f2fs_exit_sysfs(); - f2fs_destroy_garbage_collection_cache(); - f2fs_destroy_extent_cache(); - f2fs_destroy_recovery_cache(); - f2fs_destroy_checkpoint_caches(); - f2fs_destroy_segment_manager_caches(); - f2fs_destroy_node_manager_caches(); - destroy_inodecache(); + module_subexit(&rollback); +} + +static int __init init_f2fs_fs(void) +{ + module_subinit(init_inodecache, destroy_inodecache, &rollback); + module_subinit(f2fs_create_node_manager_caches, f2fs_destroy_node_manager_caches, &rollback); + module_subinit(f2fs_create_segment_manager_caches, f2fs_destroy_segment_manager_caches, &rollback); + module_subinit(f2fs_create_checkpoint_caches, f2fs_destroy_checkpoint_caches, &rollback); + module_subinit(f2fs_create_recovery_cache, f2fs_destroy_recovery_cache, &rollback); + module_subinit(f2fs_create_extent_cache, f2fs_destroy_extent_cache, &rollback); + module_subinit(f2fs_create_garbage_collection_cache, f2fs_destroy_garbage_collection_cache, &rollback); + module_subinit(f2fs_init_sysfs, f2fs_exit_sysfs, &rollback); + module_subinit(f2fs_init_shrinker, f2fs_exit_shrinker, &rollback); + module_subinit(register_f2fs, unregister_f2fs, &rollback); + module_subinit(f2fs_create_root_stats, f2fs_destroy_root_stats, &rollback); + module_subinit(f2fs_init_post_read_processing, f2fs_destroy_post_read_processing, &rollback); + module_subinit(f2fs_init_iostat_processing, f2fs_destroy_iostat_processing, &rollback); + module_subinit(f2fs_init_bio_entry_cache, f2fs_destroy_bio_entry_cache, &rollback); + module_subinit(f2fs_init_bioset, f2fs_destroy_bioset, &rollback); + module_subinit(f2fs_init_compress_mempool, f2fs_destroy_compress_mempool, &rollback); + module_subinit(f2fs_init_compress_cache, f2fs_destroy_compress_cache, &rollback); + module_subinit(f2fs_create_casefold_cache, f2fs_destroy_casefold_cache, &rollback); + + return 0; } module_init(init_f2fs_fs)