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Received: from willy by casper.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1vNc6j-00000007PuN-07JX; Mon, 24 Nov 2025 19:20:17 +0000 Date: Mon, 24 Nov 2025 19:20:16 +0000 From: Matthew Wilcox To: Theodore Tso Cc: linux-mm@kvack.org, Ext4 Developers List , linux-xfs@vger.kernel.org Subject: Re: [REGRESSION] generic/127 failure caused by "mm: Use folio_next_pos()" Message-ID: References: <20251124191811.GA26781@mac.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251124191811.GA26781@mac.lan> X-Rspamd-Server: rspam12 X-Rspam-User: X-Rspamd-Queue-Id: CC9FE20009 X-Stat-Signature: jqxpofc8tw7k1jb4m4y75br1gxpgy9ti X-HE-Tag: 1764012019-522849 X-HE-Meta: U2FsdGVkX1/GccaJZxQpvjgqXFNmwrOr7lSwwsPan2hJinlt7/GQC0yKK27Br0NWD6EKq413YUCG7JgJEXY5XL5fnS3WGmgGc5kxwN1fTdx9HN2SRO8HE4x4zjfyfLIxbCm9ZpvZ/yT/vu2gblNOIHPTz2e9p4MjgP4L7jfV80QDw5ZWCgHeYohYoAUlV+wUjwCS1DoI8vzqXDPzGLw/aNN/YkACBzN1d214qWPnaAe1ZEy5+e/jJ2vWmnHiNq9mwku7XcY4V+kJ1SQ9PxByZguBH3SF2erdmgFlf1fP2li2zbJqblYmtpRK47we5wWklULNAuGeKXWYaiQuWLXwI+zrBCu33dU+CXK5+UqXQljpGd3d6EtP9BQuc+DJyRg7QCMiscsxxTcAAmocaXmUjrP9xV6WLJumLdBq4l4tJ+K7eU9BgXUsQEVCocrvo4Cw0VOmJVCIq+JMO6cE2jlRQ9Pnu+rHPQQt4jV2nFYG+QQjVIiIpLEoFIKy7CcLODPt2MVaIT7Eduiqcrxm+u0ZOWiIIhwO0QmuLOn0i+HINy8E7Fy+LVG4J0rZN47zIerO8c8z0M4XT0VgR8IjvPaOIu06sl8X/stSoOkc0dGP1D/aFHsj7aeyd0nULarPUnE4NiyE3n91vtjP00pMe1oOIrfLs+ZFZiv7LCdizlyOIAd+TCTT93pEqJ6PQ82VYRg/m1axyCYoc0EDcDH6UV4iCg0xtCA8sgENJYWdlfuEPE3ubosdFRmADXj8XRGzwmhS8fhTDHXDjzEunwrVh9w4m1pvzN2EQ1Ii42Eh6XtCZWr2bKZUX1CVRww8wFi2JXKE+l92qRzwmBALkMeK5VM0VxkuSTUBjAho6bXL/2ElWPvuB2hCziztqACGyEvvZUlPL5MpLUFFDoLV/yA9bNVyX5iWNs7deQOMwXVaKd7fy4j8KoHBSEXY7+lm7ygXyrnwbfrScY3uW7RLTtoPvgo PmtLdaAr OYxsb8T4zQwKmspozGB/NWD/xhRtQIRGXsT5fitTxSNNuUb9fYn2h3xOZRWLMD/6oADtbz2G+IIh+4pMbKP+y+T+1x/+Tz9cyvqm5an6DXfh3QWW+Gf7CJKtFvGWjzVEA7SYN+ubXNPZX6XRS1DcT5py1lLx9hfxHH8F7iaHbVSnvBiUNCbqLeKfFZb2hm56hWJspkhmv0118+92NdNGgLGXtvFWSeFSI0zqRwKSvPFcnOXnHzAOjWwF3SxHKxmbwRJ9urRfp77/uvjCx7cJovlRIR0X5UctW+zAoRGvpjRP+TCANzPp5uDIhQEa1pDY1D27bSxPSlPtJYvIh4ZP0Yxl/ck89EyT40sR94qfqAeCKBmsrY7jSRxpRtJNJqwpt0i4L X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Nov 24, 2025 at 01:18:11PM -0600, Theodore Tso wrote: > And then when I reverted commit 60a70e61430b, the test passed. I also > checked and found that this commit was also causing generic/127 to > fail for xfs: > > kvm-xfstests -c xfs/4k generic/127 --fail-loop-count 0 --kernel-build > > And, with the commit reverted the problem went away. > > The test logs for ext4 and xfs are attached. Willy, could you take a > look? Many thanks!! https://lore.kernel.org/linux-fsdevel/20251123220518.1447261-1-willy@infradead.org/