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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4F626EC1423 for ; Tue, 3 Mar 2026 10:35:14 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id F208D6B0102; Tue, 3 Mar 2026 05:35:09 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id E99A96B0100; Tue, 3 Mar 2026 05:35:09 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id CE8006B0100; Tue, 3 Mar 2026 05:35:09 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id A3A706B0101 for ; Tue, 3 Mar 2026 05:35:09 -0500 (EST) Received: from smtpin22.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 6B2AB1603FA for ; Tue, 3 Mar 2026 10:35:09 +0000 (UTC) X-FDA: 84504394338.22.E26C772 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.223.131]) by imf30.hostedemail.com (Postfix) with ESMTP id 3204180004 for ; Tue, 3 Mar 2026 10:35:06 +0000 (UTC) Authentication-Results: imf30.hostedemail.com; spf=pass (imf30.hostedemail.com: domain of jack@suse.cz designates 195.135.223.131 as permitted sender) smtp.mailfrom=jack@suse.cz ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1772534107; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ZfpWi8mDNyBOMa2tfuFTBqwvX2eA5Kp1+U3DtplQ7SI=; b=Vg8roUc1+saY7VLHOQKS/u85h06IrMQIuRDwciWGY/uv8iweXjpprQnWOQIDlyvtPkn5Du x6OtSuvdjxhsqTArOKJJnu0x7pv1YbioE8kxYkprwujLq20KYw1G99Y3sG0zoEg+insHqF 8k8Hx2/uzPVpePoAtIvNGgC4QiR69WE= ARC-Authentication-Results: i=1; imf30.hostedemail.com; dkim=none; dmarc=none; spf=pass (imf30.hostedemail.com: domain of jack@suse.cz designates 195.135.223.131 as permitted sender) smtp.mailfrom=jack@suse.cz ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1772534107; a=rsa-sha256; cv=none; b=v7jaco++sSIh8Ga1YZTP0oUHLPok3RH+wCVcHCfuGDzk3u0ap8G90zztLbbQPe7R+IQOgf w3773wevKSp3CzRROGRvCn/e65BA5/kTJEDOBej5X9NTYcHuEKj8CGjAFTfQGt6cqXRm50 6zqLe0YL2+Cy4bW3xHIgUffVYVR4fQw= Received: from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 121B75BE1D; Tue, 3 Mar 2026 10:34:45 +0000 (UTC) Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 00EB03EA71; Tue, 3 Mar 2026 10:34:44 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id v5tsO0S5pmlxFQAAD6G6ig (envelope-from ); Tue, 03 Mar 2026 10:34:44 +0000 Received: by quack3.suse.cz (Postfix, from userid 1000) id 98C65A0B3F; Tue, 3 Mar 2026 11:34:40 +0100 (CET) From: Jan Kara To: Cc: Christian Brauner , Al Viro , , Ted Tso , "Tigran A. Aivazian" , David Sterba , OGAWA Hirofumi , Muchun Song , Oscar Salvador , David Hildenbrand , linux-mm@kvack.org, linux-aio@kvack.org, Benjamin LaHaise , Jan Kara Subject: [PATCH 10/32] fs: Stop using i_private_data for metadata bh tracking Date: Tue, 3 Mar 2026 11:33:59 +0100 Message-ID: <20260303103406.4355-42-jack@suse.cz> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260303101717.27224-1-jack@suse.cz> References: <20260303101717.27224-1-jack@suse.cz> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1862; i=jack@suse.cz; h=from:subject; bh=21rbptBohvHLbIzoeM8IfhTkwdubfon9k5dpdTlpgfs=; b=owEBbQGS/pANAwAIAZydqgc/ZEDZAcsmYgBpprkmRXfvEFOavnw88KSkCELSYzUGb6FJxDza0 lFuc/BYWXOJATMEAAEIAB0WIQSrWdEr1p4yirVVKBycnaoHP2RA2QUCaaa5JgAKCRCcnaoHP2RA 2eF9B/sEW3OFX69Cefii5uJoJbX2MlFQ9v7XXSlUg4DiHPmiJ4YNVL9wzueyr+M9Xc3mCrZ04sp 3R4b5iAESEUkWT3/ReBfvXEhfXQQ4ynvWT3qqkz5cZI64xr7HLGHyS+QRHYxNPUeRL9zlgI2Doo Q/a4g1ACdCL4MzFZgGKeja2KlZ6EMnNYaliS8/2SKb6EjoaucHSGksgqpe2UH0SKJF+jp3QD+yE UfelQAhsh8WS8vs9O+tMNdFm3C39yJ2Dm0cbDl267sccawqPmR3MuohLONNUoojt/zTycdJ/f6i yj+urmXK9n4+ukLJcSUa+QuBKa4TqFGpUO3VG0tuNlO5maNm X-Developer-Key: i=jack@suse.cz; a=openpgp; fpr=93C6099A142276A28BBE35D815BC833443038D8C Content-Transfer-Encoding: 8bit X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Action: no action X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 3204180004 X-Stat-Signature: 6iifg5ayzjhi887o8x8pko1j11zz7xqq X-Rspam-User: X-HE-Tag: 1772534106-345309 X-HE-Meta: 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 vgi6szI2 DBSAuHIi6x7/hNi001duLsDzSSqSytGUQtS/BByQu/VrjwtD0iqvQUDdfxg1Q3sOkQqMcpTSitOjI9Ilj2WylUgyAVgTJ4DxS+JmRo/7lheUxpLTgd2P3+4ryZG76DJ9kqveoEynrIaf6xi5Xta4ocVqD68fXkoi+sgqxqnrooh54RDBPFvrsapX2++q+89/ox/Cx Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: All filesystem using generic metadata bh tracking are using bdev mapping as a backing for these bhs. Stop using i_private_data for it and get to bdev mapping directly. Signed-off-by: Jan Kara --- fs/buffer.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/fs/buffer.c b/fs/buffer.c index bd48644e1bf8..c85ccfb1a4ec 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -574,9 +574,10 @@ static int osync_buffers_list(spinlock_t *lock, struct list_head *list) */ int sync_mapping_buffers(struct address_space *mapping) { - struct address_space *buffer_mapping = mapping->i_private_data; + struct address_space *buffer_mapping = + mapping->host->i_sb->s_bdev->bd_mapping; - if (buffer_mapping == NULL || list_empty(&mapping->i_private_list)) + if (list_empty(&mapping->i_private_list)) return 0; return fsync_buffers_list(&buffer_mapping->i_private_lock, @@ -679,11 +680,6 @@ void mark_buffer_dirty_inode(struct buffer_head *bh, struct inode *inode) struct address_space *buffer_mapping = bh->b_folio->mapping; mark_buffer_dirty(bh); - if (!mapping->i_private_data) { - mapping->i_private_data = buffer_mapping; - } else { - BUG_ON(mapping->i_private_data != buffer_mapping); - } if (!bh->b_assoc_map) { spin_lock(&buffer_mapping->i_private_lock); list_move_tail(&bh->b_assoc_buffers, @@ -868,7 +864,8 @@ void invalidate_inode_buffers(struct inode *inode) if (inode_has_buffers(inode)) { struct address_space *mapping = &inode->i_data; struct list_head *list = &mapping->i_private_list; - struct address_space *buffer_mapping = mapping->i_private_data; + struct address_space *buffer_mapping = + mapping->host->i_sb->s_bdev->bd_mapping; spin_lock(&buffer_mapping->i_private_lock); while (!list_empty(list)) -- 2.51.0