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Wong" , Alison Schofield , David Hildenbrand , , , , , Alexander Viro , "Christian Brauner" , Jan Kara , Matthew Wilcox , "Alistair Popple" , Christoph Hellwig Subject: Re: [PATCH v1] fs/dax: fix folio splitting issue by resetting old folio order + _nr_pages Message-Id: <20250417155916.92e62e45dc1d82010f47519e@linux-foundation.org> In-Reply-To: <680142129141c_130fd294f7@dwillia2-mobl3.amr.corp.intel.com.notmuch> References: <20250410091020.119116-1-david@redhat.com> <20250417034406.GF25659@frogsfrogsfrogs> <680142129141c_130fd294f7@dwillia2-mobl3.amr.corp.intel.com.notmuch> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Queue-Id: AB87A1A0004 X-Rspamd-Server: rspam04 X-Stat-Signature: ni71c3aa6fo4mzg3zrko7he65c1tk59i X-HE-Tag: 1744930758-994610 X-HE-Meta: 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 drXxRn04 Q1kEtCP7bpXbN9ovdQR0IzNpSfCDbGPiF7uLEr53tx9y4xioxRkKeMXxhoc60adeN/JfokN4zVF3SyecykfFjzIlvNax7kPXgdaC63qCmu2EFW1zJ55cbMqlodd8VgSDSryCGCN0cx9dCq+iDKi+AEH6X59yqZNejw0U0TS5miBpRO2vOwqtuypVdLpzsqs9JfCoeQJoOZkutz//5U2FDcLjlivIlsIFrzStQ65DwO/nIJ0GOjmLfSkU8kofI3VS7ZNKXj/iIgEZVB/WzWrs9k2a2kGbuuu24+ZvnCc4R+OMVTl3jRT7JQdyH2C1zr6AtDNJziWNjxGkrA4KdtzJ4aQNtSw== 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 Thu, 17 Apr 2025 11:01:54 -0700 Dan Williams wrote: > Darrick J. Wong wrote: > > On Thu, Apr 10, 2025 at 12:12:33PM -0700, Alison Schofield wrote: > > > On Thu, Apr 10, 2025 at 11:10:20AM +0200, David Hildenbrand wrote: > > > > Alison reports an issue with fsdax when large extends end up using > > > > large ZONE_DEVICE folios: > > > > > > > > > > Passes the ndctl/dax unit tests. > > > > > > Tested-by: Alison Schofield > > > > This fixes the crash I complained about here: > > https://lore.kernel.org/linux-fsdevel/20250417030143.GO25675@frogsfrogsfrogs/T/ > > > > Can we get a fix queued up for -rc3 if it hasn't been already, please? > > > > Tested-by: "Darrick J. Wong" > > Andrew, please pick this up, I have nothing else pending in the dax > area. Yep, I have it in mm-hotfixes. I wasn't particularly planning on sending another batch to Linus this week, but let's do that. From: Easter Bunny.