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Thu, 11 Jan 2024 17:24:46 -0500 X-MC-Unique: ssZS43TiOFSzq1xxSFsj1w-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 8FE1C3C29A66; Thu, 11 Jan 2024 22:24:45 +0000 (UTC) Received: from redhat.com (unknown [10.22.17.159]) by smtp.corp.redhat.com (Postfix) with ESMTPS id E6D751121313; Thu, 11 Jan 2024 22:24:44 +0000 (UTC) Date: Thu, 11 Jan 2024 16:24:43 -0600 From: Bill O'Donnell To: Shiyang Ruan Cc: linux-fsdevel@vger.kernel.org, nvdimm@lists.linux.dev, linux-xfs@vger.kernel.org, linux-mm@kvack.org, dan.j.williams@intel.com, willy@infradead.org, jack@suse.cz, akpm@linux-foundation.org, djwong@kernel.org, mcgrof@kernel.org Subject: Re: [PATCH v12 0/2] mm, pmem, xfs: Introduce MF_MEM_REMOVE for unbind Message-ID: References: <20230629081651.253626-1-ruansy.fnst@fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230629081651.253626-1-ruansy.fnst@fujitsu.com> X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.3 X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 93DBB16000B X-Stat-Signature: fxgkdt1mgqkepiqt4bg7rjoht5zbgmfw X-Rspam-User: X-HE-Tag: 1705011890-532068 X-HE-Meta: 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 LDpCP2qB xi4DepIXGZhwnSvICqGFwEHdbsrSmcA56XwPEycQrv4aGRhb0COXoAj1nbATEH2bl2BsH4r9WTmcKtVMGVT1v425F3o+XgkRw2cGyxzOMQbFWEDREa7ZP7l5HbOwS7+wG1C6XyyREA5fhGcs1+mWs4auju9rMNgNdwvlOyn6FeZddch9/3pw6RMUJdBkUmGudLddfnq/LkDvR0M+Q6cYrJR3gjg== 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, Jun 29, 2023 at 04:16:49PM +0800, Shiyang Ruan wrote: > This patchset is to add gracefully unbind support for pmem. > Patch1 corrects the calculation of length and end of a given range. > Patch2 introduces a new flag call MF_MEM_REMOVE, to let dax holder know > it is a remove event. With the help of notify_failure mechanism, we are > able to shutdown the filesystem on the pmem gracefully. What is the status of this patch? Thanks- Bill > > Changes since v11: > Patch1: > 1. correct the count calculation in xfs_failure_pgcnt(). > (was a wrong fix in v11) > Patch2: > 1. use new exclusive freeze_super/thaw_super API, to make sure the unbind > progress won't be disturbed by any other freezer. > > Shiyang Ruan (2): > xfs: fix the calculation for "end" and "length" > mm, pmem, xfs: Introduce MF_MEM_REMOVE for unbind > > drivers/dax/super.c | 3 +- > fs/xfs/xfs_notify_failure.c | 95 +++++++++++++++++++++++++++++++++---- > include/linux/mm.h | 1 + > mm/memory-failure.c | 17 +++++-- > 4 files changed, 101 insertions(+), 15 deletions(-) > > -- > 2.40.1 >