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Sat, 12 Apr 2025 09:37:26 -0700 (PDT) MIME-Version: 1.0 References: <20250411173848.3755912-1-agruenba@redhat.com> In-Reply-To: From: Andreas Gruenbacher Date: Sat, 12 Apr 2025 18:37:15 +0200 X-Gm-Features: ATxdqUEc6bK4RDS8nTPgD4dEmZc4tgzp1L5AosoT3RAQjOcAirWwydpqqoRpyIw Message-ID: Subject: Re: [PATCH v2 0/2] Fix false warning in inode_to_wb To: Tetsuo Handa Cc: cgroups@vger.kernel.org, Jan Kara , Rafael Aquini , gfs2@lists.linux.dev, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: DBbIR7o8-L4PyB_Y9E3Ahd09pGxb02spZ6WX0DkdQCY_1744475847 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: E361840005 X-Stat-Signature: uoer8c8afggdcs6gaikrurfb4ofhwbbc X-Rspam-User: X-HE-Tag: 1744475852-815066 X-HE-Meta: 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 WRipeI5T /AzuL+MBIZd497VDEH9HZlQ3EvlHKmKbloASwquO61CTNxclsg7hEnUepftsCU1+AAu7tfg6eOKyelJoU1C9NQR6f1DhjvCkXMmniOUAeQoCSHjVDVAfS3MQRcy28gOX+V8nvADR7zu9QKpVAKTKtRQeZ0g6agYHBzJ4xetYsfSj1Sa/tRmeEMyiqTFgEDa++VHl4bKH2XrO8OcGKnv4fJBEMpZPawV5xVIBnLPDTa5gWnH8BVjS/v2yns5ZQn873A2/8Ct4dAseRLua6UXOEvIHiZ2vcJpYHsZfjbY6j+hGDE8v9F3nYmJMuC7cQkhnKfaW+/ROKehP3a7OmHHZcAvCTyVRxrzyW80uw9XY2wpmcfi+ABdto41A3rl4op3csE9rTAkfzzmTyTk508sg+yC+MgkenmreLXQyWasnAkknb+oU= 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 Sat, Apr 12, 2025 at 4:21=E2=80=AFPM Tetsuo Handa wrote: > Please add > > Reported-by: syzbot+e14d6cd6ec241f507ba7@syzkaller.appspotmail.com > Closes: https://syzkaller.appspot.com/bug?extid=3De14d6cd6ec241f507ba7 > > to both patches. I'm quite reluctant to acknowledge syzbot for this. The bug has been reported several times by several people, long before syzbot. > Also, > > -static inline struct bdi_writeback *inode_to_wb(const struct inode *in= ode) > +static inline struct bdi_writeback *inode_to_wb(struct inode *inode) > > change is not needed. Ah, not anymore, indeed. Thanks, Andreas