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=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 4CF5CC4BA0D for ; Wed, 26 Feb 2020 05:57:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2C1E4206E2 for ; Wed, 26 Feb 2020 05:57:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726876AbgBZF5K (ORCPT ); Wed, 26 Feb 2020 00:57:10 -0500 Received: from mx2.suse.de ([195.135.220.15]:36600 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725789AbgBZF5K (ORCPT ); Wed, 26 Feb 2020 00:57:10 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id AA532B06B for ; Wed, 26 Feb 2020 05:57:07 +0000 (UTC) From: Qu Wenruo To: linux-btrfs@vger.kernel.org Subject: [PATCH 04/10] btrfs: relocation: Rename mark_block_processed() and __mark_block_processed() Date: Wed, 26 Feb 2020 13:56:46 +0800 Message-Id: <20200226055652.24857-5-wqu@suse.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200226055652.24857-1-wqu@suse.com> References: <20200226055652.24857-1-wqu@suse.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 These two functions are weirdly named, mark_block_processed() in fact just mark a range dirty unconditionally, while __mark_block_processed() does extra check before doing the marking. Rename mark_block_processed() to mark_range_processed(), and rename __mark_block_processed() to mark_block_processed(). Since we're here, also kill the forward declaration. Signed-off-by: Qu Wenruo --- fs/btrfs/relocation.c | 65 +++++++++++++++++++++---------------------- 1 file changed, 32 insertions(+), 33 deletions(-) diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index 1fe34d8eef6d..d81fa6d63129 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -189,8 +189,34 @@ struct reloc_control { static void remove_backref_node(struct backref_cache *cache, struct backref_node *node); -static void __mark_block_processed(struct reloc_control *rc, - struct backref_node *node); + +static int in_block_group(u64 bytenr, struct btrfs_block_group *block_group) +{ + if (bytenr >= block_group->start && + bytenr < block_group->start + block_group->length) + return 1; + return 0; +} + +static void mark_range_processed(struct reloc_control *rc, + u64 bytenr, u32 blocksize) +{ + set_extent_bits(&rc->processed_blocks, bytenr, bytenr + blocksize - 1, + EXTENT_DIRTY); +} + +static void mark_block_processed(struct reloc_control *rc, + struct backref_node *node) +{ + u32 blocksize; + if (node->level == 0 || + in_block_group(node->bytenr, rc->block_group)) { + blocksize = rc->extent_root->fs_info->nodesize; + mark_range_processed(rc, node->bytenr, blocksize); + } + node->processed = 1; +} + static void mapping_tree_init(struct mapping_tree *tree) { @@ -1045,7 +1071,7 @@ struct backref_node *build_backref_tree(struct reloc_control *rc, if (list_empty(&lower->upper)) list_add(&lower->list, &useless); } - __mark_block_processed(rc, upper); + mark_block_processed(rc, upper); if (upper->level > 0) { list_add(&upper->list, &cache->detached); upper->detached = 1; @@ -1509,14 +1535,6 @@ static struct inode *find_next_inode(struct btrfs_root *root, u64 objectid) return NULL; } -static int in_block_group(u64 bytenr, struct btrfs_block_group *block_group) -{ - if (bytenr >= block_group->start && - bytenr < block_group->start + block_group->length) - return 1; - return 0; -} - /* * get new location of data */ @@ -2537,7 +2555,7 @@ struct btrfs_root *select_reloc_root(struct btrfs_trans_handle *trans, next->root = root; list_add_tail(&next->list, &rc->backref_cache.changed); - __mark_block_processed(rc, next); + mark_block_processed(rc, next); break; } @@ -2887,25 +2905,6 @@ static int finish_pending_nodes(struct btrfs_trans_handle *trans, return err; } -static void mark_block_processed(struct reloc_control *rc, - u64 bytenr, u32 blocksize) -{ - set_extent_bits(&rc->processed_blocks, bytenr, bytenr + blocksize - 1, - EXTENT_DIRTY); -} - -static void __mark_block_processed(struct reloc_control *rc, - struct backref_node *node) -{ - u32 blocksize; - if (node->level == 0 || - in_block_group(node->bytenr, rc->block_group)) { - blocksize = rc->extent_root->fs_info->nodesize; - mark_block_processed(rc, node->bytenr, blocksize); - } - node->processed = 1; -} - /* * mark a block and all blocks directly/indirectly reference the block * as processed. @@ -2924,7 +2923,7 @@ static void update_processed_blocks(struct reloc_control *rc, if (next->processed) break; - __mark_block_processed(rc, next); + mark_block_processed(rc, next); if (list_empty(&next->upper)) break; @@ -4663,7 +4662,7 @@ int btrfs_reloc_cow_block(struct btrfs_trans_handle *trans, } if (first_cow) - __mark_block_processed(rc, node); + mark_block_processed(rc, node); if (first_cow && level > 0) rc->nodes_relocated += buf->len; -- 2.25.1