From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 3E34336F433 for ; Mon, 11 May 2026 12:35:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778502938; cv=none; b=ogQ8XEAoWwXEVyyBN2DMYnY7AtoRFBbSLDMmSkbM/lBK3K3/679IIlMgzZu5J6m9xEddDSqatWqN7xChvwuK2WzwYlRMITY/OboBmNjQ8jkb6xTUoHM6H8n0PQCHzfJBc1uFjOv+Y9hGeDdlyWgjFBuCCsC9eLhqHe5Iqzr95ak= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778502938; c=relaxed/simple; bh=6QQ8kukKTniNrv8iEXjF2oJj+F2CfiOmyUs5yoiLiuY=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=QOvB/UNnA3s8m9KMQ97syB4iP7Ny9pLK0r6lML2Az23Rng+GESLyNnr3rYaR+i7msJmpl3eXgKQYiPA1ACEcY0O4fWxYQAazQlFdcAaWSbM6w1OQTWRVmAV7lD4BBiBcs9+X/Rma5QTsE7XEzq6kAbDq8L02FWwtl+AGHzpdljU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hcssOW9m; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="hcssOW9m" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5CDE9C2BCB0; Mon, 11 May 2026 12:35:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778502937; bh=6QQ8kukKTniNrv8iEXjF2oJj+F2CfiOmyUs5yoiLiuY=; h=From:To:Cc:Subject:Date:From; b=hcssOW9mtodYvCuhRk1oOi05aTqumSbfc6gtsGJUECBkpNzue2gCCO03Wm+shJ6mh nlX3n0Bm6EUcxUfvOgcHXa7RHC/4IWT5e6YgrlcYxYdYoXRZ8qFGueAjx34F8WUa1g inWKqPZc+ZJwSNz++/z8wwNLKQ/7X8vntDcK/i8rjmmmy0ONeE+OQ3EQiUtUbbAE60 +aaz3SQZxXY9B30dOLjIKsJnj640fvbmSPLMuBcCucCt7B+f5kctEJXiUdKgglXoqB YtApZZquDYCOAyXrOnPuDDz7ayprUfOlGV8EZCsEMNVRYbmhAlyRWV25v9EjitJuMC 0vSUtFVOgrrvA== From: Chao Yu To: jaegeuk@kernel.org Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Chao Yu Subject: [PATCH] f2fs: add logs in f2fs_disable_checkpoint() Date: Mon, 11 May 2026 00:30:33 +0800 Message-Id: <20260510163033.12148-1-chao@kernel.org> X-Mailer: git-send-email 2.40.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit In order to troubleshoot in which step we may block on during mount w/ checkpoint_disable mount option. Signed-off-by: Chao Yu --- fs/f2fs/super.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index c6afdbd6e1cd..ebd93047ebe9 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -2640,6 +2640,9 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi) /* check if we need more GC first */ unusable = f2fs_get_unusable_blocks(sbi); + + f2fs_info(sbi, "%s starts, unusable: %u", __func__, unusable); + if (!f2fs_disable_cp_again(sbi, unusable)) goto skip_gc; @@ -2647,6 +2650,8 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi) sbi->gc_mode = GC_URGENT_HIGH; + f2fs_info(sbi, "%s: run f2fs_gc() to migrate blocks", __func__); + while (!f2fs_time_over(sbi, DISABLE_TIME)) { struct f2fs_gc_control gc_control = { .victim_segno = NULL_SEGNO, @@ -2667,6 +2672,12 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi) break; } + f2fs_info(sbi, "%s: call sync_filesystem() to persist meta: %lld, node: %lld, data: %lld", + __func__, + get_pages(sbi, F2FS_DIRTY_META), + get_pages(sbi, F2FS_DIRTY_NODES), + get_pages(sbi, F2FS_DIRTY_DATA)); + ret = sync_filesystem(sbi->sb); if (ret || err) { err = ret ? ret : err; @@ -2680,6 +2691,12 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi) } skip_gc: + f2fs_info(sbi, "%s: call f2fs_write_checkpoint(), meta: %lld, node: %lld, data: %lld", + __func__, + get_pages(sbi, F2FS_DIRTY_META), + get_pages(sbi, F2FS_DIRTY_NODES), + get_pages(sbi, F2FS_DIRTY_DATA)); + f2fs_down_write_trace(&sbi->gc_lock, &lc); cpc.reason = CP_PAUSE; set_sbi_flag(sbi, SBI_CP_DISABLED); @@ -2697,7 +2714,7 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi) restore_flag: sbi->gc_mode = gc_mode; sbi->sb->s_flags = s_flags; /* Restore SB_RDONLY status */ - f2fs_info(sbi, "f2fs_disable_checkpoint() finish, err:%d", err); + f2fs_info(sbi, "%s finishes, err:%d", __func__, err); return err; } -- 2.40.1