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Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <20230207094731.1390-1-hdanton@sina.com> References: <20230207094731.1390-1-hdanton@sina.com> To: Hillf Danton Cc: dhowells@redhat.com, Jens Axboe , Christoph Hellwig , David Hildenbrand , John Hubbard , linux-mm@kvack.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Need help tracking down a bug in the bio-FOLL_PIN patches MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <3024112.1675766689.1@warthog.procyon.org.uk> Date: Tue, 07 Feb 2023 10:44:49 +0000 Message-ID: <3024113.1675766689@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.2 X-Stat-Signature: sbq34ow8iapcx4s8rnm419su8mgcofpu X-Rspam-User: X-Rspamd-Queue-Id: 871D020007 X-Rspamd-Server: rspam06 X-HE-Tag: 1675766696-203664 X-HE-Meta: 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 v0dYoAP+ Y58I5l6EHFbcXM5KpcWGRT21kXqyQvhSbBFkRjYTgKqL8rd6dxm7cpNKTk8pJryhYGclsyK+zO9bJochePTCzk/iAb8+DB70G/eIQJ+QLaP+zbhWxDITnwfRp1dDrIqLWVnUALvBrjNn4CZ4/UYm5Ae36j68OiqlzbyAKJs4QCzwjLeH7RnOsgo4qKqtK6WDWPRDgUHd0I2+6B/8Gbhj48wf1yCUeKYhHQOBA1NdemCWDbc+tVbWxmQBOWgol3SHYq9p/Kv2qY6rDRsDurs+ys18Vv2OA+jvsVWLtuUCTvhFL8LvSJ+sbQUy4vM0KUut4o78NqQkcdgROLjrX/ncbZa3wtcGPqqeFToK1f9BOCdTuqncIaks6KDYIWQ== 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: Hillf Danton wrote: > pipe_buf_release include/linux/pipe_fs_i.h:183 [inline] > iov_iter_revert.part.0+0x402/0x730 lib/iov_iter.c:935 > iov_iter_revert+0x4c/0x60 lib/iov_iter.c:919 Yeah. That seems to be the problem. Thanks, David