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=1794046086; b=bgCFBN4IgsUxsHLY0zfJIDaCEbw80A0MqYWDGXUO87Hod0JRvvg8nC1GF2u4xPjbbakk /iIAU07t7OoB32ZHEkA3+QP3S/4OS0Hm2hRsxDl6/gVMMo10kFgHn3zKWXh7s0lO+SmLp l0Dt6iE16oIH178+hnVOgD5YYNk7ASloIThRZa/VrcvHEdilBhpWapUyxbu7M3CUxRslI gCWaHkZRPQikdauqKiDj8bueGMF9iRr4putcMxUKNZ/W09pHcXYN2PXw9eB4qmGl+4+Zk Jph/NA7R7o39i7DDxbnWGFfwpK0l3C+Ao3aWqJJw0A+GTCF8zSZD+x0pf/KXaQ0tgdw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794046086; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: MIME-Version:Content-Type:Content-Transfer-Encoding; bh=XnyDjRNuLqEEN3gpi4XnHISQTcR4HBbJjV2XubvFnTU=; b=jRpjKfVzPzzCMd6hu2LQ6s45WBWJ9x25Bis3MSFAXem9aJsQACCSYTGqu4UH4Fyv9p/I SvdNQeNymokQJS1PArKhga12slLyq5s6DVkI68AHLNgukkyIrETVFhKsfmYIZ5f558hU5 8PWVJM38601p8NFCvbP27lZCW4Jg9z0yxC/YLUaIWbFqVzEiNyliB6OkRpV7Gs5ya2xt6 FicayxCf+Zc/vgvroX2dN0yHRgTUy3Nh4j48pMxVYECH+OKcGkli0yb5T+nU6L1trF54x uZar0luwg9IrjjViqo6Zmt3vsk/YjaBOVyoXU8lCqMr1vvLcQb8k3ENcct0B5nAtGeQ== 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=En89jFix; 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 446B4606A326 for ; Sat, 7 Nov 2026 10:08:06 +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=En89jFix Received: by smtp.kernel.org (Postfix) with ESMTPSA id B60271F0089F; Sat, 7 Nov 2026 10:08:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794046086; bh=XnyDjRNuLqEEN3gpi4XnHISQTcR4HBbJjV2XubvFnTU=; h=From:To:Cc:Subject:Date; b=En89jFixzJPyqZ2Bb90lZGCOrvPV5HQ227Sy9o5DbusoRspisMtaKAqw2ufhl8tOs BIzCew/fxsrCqKvlbVQKmqyMQz8nCTBiQUX8ijmEA6Gh8oDBR8Y4cJH6RspbCRzmo1 gpdFJRRaSAwvbmXVGt2BACJZ6HSl4TaQXmr0XgU9//26TIBc/aWOXyBdblCXXNTovo /IJJO1B4VJ6x2o5OZE71d0xzmzloIO9F0wzZUk+O6tJXOeyoET40zM/r/DmxMMiDFE EJOegcy3eajmBFOdziFRLowE2z34lkn4Dsr8o/hWvzMYylgQPpqI+C42qEnhDPArPJ 3Nxr01uTCX/3Q== 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 6.18-stable tree Date: Sat, 7 Nov 2026 05:08:04 -0500 Message-ID: <20261107050804-failed-6.18-1383cff4ccf3@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 6.18-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-6.18.y git checkout FETCH_HEAD git cherry-pick -x 1383cff4ccf3c8833c6255edffa29eb67c6419bb # git commit -s git send-email --to '' --in-reply-to '20261107050804-failed-6.18-1383cff4ccf3@kernel.org' --subject-prefix 'PATCH 6.18.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