From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794047469; b=mUf90Wb1zSku5qPXmEgK+AipVycWQBBpbw/jxRCbqWuylad/1Pb9m/MkmfseoB/nRFwr 9zVt1g4tKzDynSSywjoTtMwQbwbTg4c2IK0n09GVUPw2K2kIDJkhI4Bqpbbitd+VB6x1s ndpMBKCsQ34hhumNF1VQkG+Giw26f1VWY+tbAqNhOwICjqW9CC3+g4685Q2DLgFq3PdsQ Cn+HOoBqKe8Ae/5uoPgmobxTq2W07lpHd/i0Go9rxNg1XZAk8GcZil9m2urz9GOQpfF6k 6AVmGQLk7jaBR0IPa3wXQOSu4uJzmCKzV3lMuOtOafuXCpV1NYsLkoBJtKcSJg98UIg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794047469; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: MIME-Version:Content-Type:Content-Transfer-Encoding; bh=SPXRz132blyZ1+SKl3KRUY4jQcFtjc0d+u6WaR+J6mM=; b=2KSxYNXrHnMQfttvLFd/AH0p38+i9bah9csoViaHOCje5whZKdKEoIDIjcsObBSXqTrm XeuZPMcJlBunRF8H/SdmEXfioAwrNaFmRRLx5sdbnTbS/F3QcgKN3QSjFsofXwhKvIhr+ u83szHtsfmQ7UsAcycgcg0XFf8HXfj2XgszfET8cc86EdspPAwovaXp6/yi77jcdGNnmq l6HZKVbzneijabcIsm0uZEcd9op7GY3tuDAu5rCYHTzmfI/xIYA6bWm8q2wxF2bIgw+I/ C8sZKYlGnNYFCBoOq5upORlyJiD9jb3Vij0RH7wn+hB5xx8PHAFAuTwSmdm0iEKmdTw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=h9HG6pMU; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CB586606A33E for ; Sat, 7 Nov 2026 10:31:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=h9HG6pMU Received: by smtp.kernel.org (Postfix) with ESMTPSA id 428DB1F0089F; Sat, 7 Nov 2026 10:31:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794047468; bh=SPXRz132blyZ1+SKl3KRUY4jQcFtjc0d+u6WaR+J6mM=; h=From:To:Cc:Subject:Date; b=h9HG6pMUciJM5/q5SEoIhZkuyaAocG9wgZ92FKaMCsC2JMCikgBES/hpq3lKvKXQY kF+CKdQwZYctl1b7nIqb+DWXb1AoY8FKXisW/N0mAkdH9nxJmIVF+T3hW/FDneSKUy +sD2W5IxgVTNLbwl5M3/GMEv6ZuurmnjlKbjrR5IY2KiOcvSvChVSEk0eUhhpqufKa fBl8O0J06ROm8okPoQK050t6nb3/BDiv9EBf2jCOLTrxDvp3dXoJh+JrgtxN77O0hC CnlYwgN5Uul8MNAU23ImuuHX6owltMw13o8yZ74ps4jKgIXebqCN9nsTlbl1mvdm+x v6AlfSvoEBM4w== From: Sasha Levin To: chao@kernel.org, jaegeuk@kernel.org Cc: stable@vger.kernel.org Subject: FAILED: patch "[PATCH] f2fs: fix to check continuousness in f2fs_sync_meta_pages() correctly" failed to apply to 6.6-stable tree Date: Sat, 7 Nov 2026 05:31:07 -0500 Message-ID: <20261107053107-failed-6.6-1383cff4ccf3@kernel.org> X-Mailer: git-send-email 2.53.0 X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The patch below does not apply to the 6.6-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.6.y git checkout FETCH_HEAD git cherry-pick -x 1383cff4ccf3c8833c6255edffa29eb67c6419bb # git commit -s git send-email --to '' --in-reply-to '20261107053107-failed-6.6-1383cff4ccf3@kernel.org' --subject-prefix 'PATCH 6.6.y' 'HEAD^..' Thanks, Sasha ------------------ original commit in Linus's tree ------------------ >From 1383cff4ccf3c8833c6255edffa29eb67c6419bb Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Thu, 1 Oct 2026 00:06:16 +0000 Subject: [PATCH] f2fs: fix to check continuousness in f2fs_sync_meta_pages() correctly In f2fs_sync_meta_pages(), whenever i becomes zero inside while loop, below check may be skipped, it failed to check the continuousness: if (nr_to_write != LONG_MAX && i != 0 && folio->index != prev + folio_nr_pages(fbatch.folios[i-1])) { Cc: stable@kernel.org Fixes: 580e7a492608 ("f2fs: convert f2fs_sync_meta_pages() to use filemap_get_folios_tag()") Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim --- fs/f2fs/checkpoint.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 7b89bb838946d..2e5e0ee5feb20 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -606,7 +606,7 @@ void f2fs_write_meta_caches(struct f2fs_sb_info *sbi) long f2fs_sync_meta_caches(struct f2fs_sb_info *sbi, long nr_to_write, bool sync, enum iostat_type io_type) { - pgoff_t index = 0, prev = ULONG_MAX; + pgoff_t index = 0, next = ULONG_MAX; struct f2fs_cached_block *entries[F2FS_ONSTACK_CACHES]; long nwritten = 0; int nr; @@ -629,8 +629,8 @@ long f2fs_sync_meta_caches(struct f2fs_sb_info *sbi, long nr_to_write, goto stop; } - if (background && i != 0 && - entry->index != prev + 1) { + if (background && next != ULONG_MAX && + entry->index != next) { f2fs_cache_gang_release(entries, nr); goto stop; } @@ -657,7 +657,7 @@ long f2fs_sync_meta_caches(struct f2fs_sb_info *sbi, long nr_to_write, break; } nwritten++; - prev = entry->index; + next = entry->index + 1; if (unlikely(nwritten >= nr_to_write)) break; } -- 2.53.0