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=1794257590; b=2FrtGLC9v6gbuTQFVvb3tzj4WjX+3+j5PwO/fjDfHyZhgG5aDcYwqi78lr5/cfhtR3dy d2xKD663mius+AXM/rtp0S4QIJFv1fqx+iMg36Fh61T5Jnfg/e7NODo7IRB7BU0mRhOFh GhyiTA9AlsOSFW1OpWo0jldPoBapXbvS20TL/6wZVZSi24mHOrkcZJPmRvu6JPBGnRV0g /yagI17Wbkxm4e3Vows8AamMzeKhLCH/7ZkztR8uRbcQAESVu+oc6WQlh0DE15P0CFkzS 5BIXkRYMMMsZb5XXi65RnJebAJG4tYfVdR0mUeg0vyTL2CtVFM6DIKVLRzsjvVjKp1Q== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794257590; h=Received:DKIM-Signature:Date:To:From:Subject:Message-Id; bh=UDTxuD9rjaD8bBxNDEGipT0bCDiVXv1nEOxb0xcSs5w=; b=YTqulYybFZ84S5v5ka4v/w/UXus5XbAzwSsoIxMcB7+GHTMhPNBSHnY8e2kYruukne+X cfYecNdPtUvD4fqSpuDtO1E1nOydePALbrI6BaykL8NANWCVjmPIarZrAvUkOpPTQi4Cy 5LfEZCPaboxS6q93Apjr/YgJm/N9I9O/mEGlBrxSHQ8PLacLKXEgUTZdujB/RHq6xI/1v XwKIrXIU8DvfHsY2Jf7dsgIRqJoZ4dOg2rFh0gT0n/+U8w2JSpiDZruXB/1voycsYNIwJ NO69KEsdHvCvSNdFTGE75ob0bw+7SoBe1VKAlK2qiDvrEv3IqWp2e65gHjWb5oLUDWA== 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=qQxORsuo; 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 8DF04606A31C for ; Mon, 9 Nov 2026 20:53:10 +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=qQxORsuo Received: by smtp.kernel.org (Postfix) with ESMTPSA id 199871F0089F; Mon, 9 Nov 2026 20:53:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1794257590; bh=UDTxuD9rjaD8bBxNDEGipT0bCDiVXv1nEOxb0xcSs5w=; h=Date:To:From:Subject; b=qQxORsuoNU4yHH/+huUROC/zBQQwHkuo8NhPqkmeaAVcCIdTQTjv57YWtrt1YTFxF 7K3gVzfJ3SOTmiN311rX8JCvLBXMULGCgQ+qSoA3yDAPv4WvpeZKcXpybJQqVqDwz0 jzSrx3AJH/MfieHHPT5V8eX8Q6KBbdLuqnSd6eIk= Date: Mon, 09 Nov 2026 12:53:09 -0800 To: mm-commits@vger.kernel.org,joseph.qi@linux.alibaba.com, akpm@linux-foundation.org From: Andrew Morton Subject: + ocfs2-abstract-the-chain-list-next-free-record-check.patch added to mm-nonmm-unstable branch Message-Id: <20261109205310.199871F0089F@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 chain list next free record check has been added to the -mm mm-nonmm-unstable branch. Its filename is ocfs2-abstract-the-chain-list-next-free-record-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-chain-list-next-free-record-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 chain list next free record check Date: Mon, 09 Nov 2026 20:21:06 +0800 Fold the cl_next_free_rec against cl_count test into a predicate. ocfs2_claim_suballoc_bits() in suballoc.c open-codes a similar test that also rejects cl_next_free_rec == 0. It is left alone because this predicate is not equivalent to it. No functional change intended. Link: https://lore.kernel.org/20261109122121.21473-17-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 | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) --- a/fs/ocfs2/inode.c~ocfs2-abstract-the-chain-list-next-free-record-check +++ a/fs/ocfs2/inode.c @@ -238,6 +238,12 @@ static bool ocfs2_dinode_has_bad_chain_c ocfs2_chain_recs_per_inode(sb); } +static bool ocfs2_dinode_has_bad_chain_next_free(struct ocfs2_dinode *di) +{ + return le16_to_cpu(di->id2.i_chain.cl_next_free_rec) > + le16_to_cpu(di->id2.i_chain.cl_count); +} + void ocfs2_set_inode_flags(struct inode *inode) { unsigned int flags = OCFS2_I(inode)->ip_attr; @@ -1863,7 +1869,7 @@ int ocfs2_validate_inode_block(struct su le16_to_cpu(cl->cl_count)); goto bail; } - if (le16_to_cpu(cl->cl_next_free_rec) > le16_to_cpu(cl->cl_count)) { + if (ocfs2_dinode_has_bad_chain_next_free(di)) { rc = ocfs2_error(sb, "Invalid dinode %llu: chain list index %u\n", (unsigned long long)bh->b_blocknr, le16_to_cpu(cl->cl_next_free_rec)); _ 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