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=1794257597; b=nx24L0/kZzmizLv4iN+yZWYXpUUmeSpMQ7zirMuUS0H+pjUAuzB0dEAcpdssHKBb0dR5 i2T48Pw60SC55jRENetGMOxxy8E+7Z2q3xRejrIID5N7hGDPfPBIVEjHpRSvbhzxxTeTf jMxQFCdjLbNrqnoyW3s02mBrmVDCktSym2Y72KmrwBy05nHwwSbytyOyCdFplxJjVO+Vd hjni4++kQMo2xmcsqhfpjQC8nqyb0J/VqpBt/g3RQ6qHbRh9sW2ALgw1rQEzHMN3SceVj WpIqJtg4O0+HO7GSpS7IrrXZ0LOJJH41LqIo1mj/jGz+qWNXV7necFg8uRpyGcX/bTA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794257597; h=Received:DKIM-Signature:Date:To:From:Subject:Message-Id; bh=xlfxb3cAsHDX7ztnGfd8/lFgcqSgFMOT18YUgcp56pA=; b=1VKzrgjb988LddLSvi5/kbOW1+ZsDT9wNYrQvHr+AqLzX51Yw0PjEMtEnLUw/RuLjKXS 4X3M0cd6PuDWS4SlJqcvhHnIDtmrRXwwjvUZA+tD+VT6SRWEOwDAn1gFaftnaF1EmK4Vj 0qleQEsNslbPbjA3titcTywbunVEmd24WyYO74V06AMJ1Y8Rvj0a52EbJvFkvLXUfTNL2 5mIliE/q7H73TMjf/689yvkUpSZkYZBh/OmYkshk2b1FsVL6zq+KIfF6CPIvmaTVfYbJq +xJ66RVoBZLq9MtgvH0rJtdBKFG8AYf8T8OEyeCbcGhza8Fk3rRjob/5/RWY1ouvpwA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linux-foundation.org header.i=@linux-foundation.org header.a=rsa-sha256 header.s=korg header.b=V9EV0Kp+; 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 E16B6606A31C for ; Mon, 9 Nov 2026 20:53:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.a=rsa-sha256 header.s=korg header.b=V9EV0Kp+ Received: by smtp.kernel.org (Postfix) with ESMTPSA id AB65E1F0089F; Mon, 9 Nov 2026 20:53:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1794257596; bh=xlfxb3cAsHDX7ztnGfd8/lFgcqSgFMOT18YUgcp56pA=; h=Date:To:From:Subject; b=V9EV0Kp+4w398sknTKvZoyeHnyeJxp4UobMKZVuV39EkHz8/2EHWocZQZA07RXAW6 qLjR5j48mhG+tyQTYa6oXzUufCeq8q4boqD9NNDd/q5PGyCg6vTyulZdRxP2xkjRt4 ibN8szpS/W3wJdthMIoMCT49JwOUfovj0QNX+PtQ= Date: Mon, 09 Nov 2026 12:53:16 -0800 To: mm-commits@vger.kernel.org,joseph.qi@linux.alibaba.com, akpm@linux-foundation.org From: Andrew Morton Subject: + ocfs2-abstract-the-zero-extent-list-count-check.patch added to mm-nonmm-unstable branch Message-Id: <20261109205316.AB65E1F0089F@smtp.kernel.org> X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list The patch titled Subject: ocfs2: abstract the zero extent list count check has been added to the -mm mm-nonmm-unstable branch. Its filename is ocfs2-abstract-the-zero-extent-list-count-check.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/ocfs2-abstract-the-zero-extent-list-count-check.patch This patch will later appear in the mm-nonmm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via various branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there most days ------------------------------------------------------ From: Joseph Qi Subject: ocfs2: abstract the zero extent list count check Date: Mon, 09 Nov 2026 20:21:09 +0800 Fold the l_count == 0 test into a predicate, the first of the extent list group guarded by ocfs2_dinode_has_extents(). No functional change intended. Link: https://lore.kernel.org/20261109122121.21473-20-joseph.qi@linux.alibaba.com Signed-off-by: Joseph Qi Signed-off-by: Andrew Morton Cc: Heming Zhao Cc: Mark Fasheh Cc: Joel Becker --- fs/ocfs2/inode.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) --- a/fs/ocfs2/inode.c~ocfs2-abstract-the-zero-extent-list-count-check +++ a/fs/ocfs2/inode.c @@ -260,6 +260,11 @@ static bool ocfs2_dinode_has_refcount_wi !di->i_refcount_loc; } +static bool ocfs2_dinode_has_zero_extent_count(struct ocfs2_dinode *di) +{ + return le16_to_cpu(di->id2.i_list.l_count) == 0; +} + void ocfs2_set_inode_flags(struct inode *inode) { unsigned int flags = OCFS2_I(inode)->ip_attr; @@ -1908,7 +1913,7 @@ int ocfs2_validate_inode_block(struct su u16 count = le16_to_cpu(el->l_count); u16 next_free = le16_to_cpu(el->l_next_free_rec); - if (count == 0) { + if (ocfs2_dinode_has_zero_extent_count(di)) { rc = ocfs2_error(sb, "Invalid dinode %llu: extent list l_count is zero\n", (unsigned long long)bh->b_blocknr); _ Patches currently in -mm which might be from joseph.qi@linux.alibaba.com are ocfs2-exempt-orphaned-dinodes-from-the-zero-nlink-check.patch ocfs2-abstract-the-zero-nlink-or-mode-dinode-check.patch ocfs2-abstract-the-dinode-i_blkno-mismatch-check.patch ocfs2-abstract-the-dinode-ocfs2_valid_fl-check.patch ocfs2-abstract-the-dinode-fs_generation-mismatch-check.patch ocfs2-abstract-the-dinode-suballoc-slot-checks.patch ocfs2-abstract-the-dinode-suballoc-bit-check.patch ocfs2-abstract-the-dinode-orphaned-slot-check.patch ocfs2-abstract-the-dinode-dio-orphaned-slot-check.patch ocfs2-abstract-the-inline-data-dinode-guard-and-cluster-check.patch ocfs2-abstract-the-inline-data-id_count-bound-check.patch ocfs2-abstract-the-inline-data-i_size-bound-check.patch ocfs2-abstract-the-fast-symlink-dinode-guard-and-size-check.patch ocfs2-abstract-the-fast-symlink-nul-termination-check.patch ocfs2-abstract-the-chain-list-dinode-guard-and-count-check.patch ocfs2-abstract-the-chain-list-next-free-record-check.patch ocfs2-abstract-the-chain-list-bits-per-cluster-check.patch ocfs2-abstract-the-dinode-refcount-location-check.patch ocfs2-abstract-the-zero-extent-list-count-check.patch ocfs2-abstract-the-oversized-extent-list-count-check.patch ocfs2-abstract-the-extent-list-next-free-record-check.patch ocfs2-report-unrepairable-corruption-from-online-filecheck-fix.patch ocfs2-check-dinode-nlink-and-mode-in-online-filecheck.patch ocfs2-check-dinode-suballoc-slot-in-online-filecheck.patch ocfs2-check-dinode-suballoc-bit-in-online-filecheck.patch ocfs2-check-dinode-orphaned-slots-in-online-filecheck.patch ocfs2-check-inline-data-dinodes-in-online-filecheck.patch ocfs2-check-fast-symlink-dinodes-in-online-filecheck.patch ocfs2-check-chain-list-dinodes-in-online-filecheck.patch ocfs2-check-dinode-refcount-location-in-online-filecheck.patch ocfs2-check-extent-list-dinodes-in-online-filecheck.patch