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Wong" To: Damien Le Moal Cc: Christoph Hellwig , Andrew Morton , Chris Li , Kairui Song , Christian Brauner , Jens Axboe , David Sterba , Theodore Ts'o , Jaegeuk Kim , Chao Yu , Trond Myklebust , Anna Schumaker , Namjae Jeon , Hyunchul Lee , Steve French , Paulo Alcantara , Carlos Maiolino , Naohiro Aota , linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-block@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org Subject: Re: [PATCH 09/12] swap: push down setting sis->bdev into ->swap_activate Message-ID: <20260514143742.GB9531@frogsfrogsfrogs> References: <20260512053625.2950900-1-hch@lst.de> <20260512053625.2950900-10-hch@lst.de> <20260512170846.GJ9555@frogsfrogsfrogs> <20260513055806.GC1236@lst.de> <20260513074608.GA3693@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspam-User: X-Rspamd-Queue-Id: 73D3A16000B X-Rspamd-Server: rspam06 X-Stat-Signature: wfm15bt65aiodz5gd3qdq18qs1kpa6er X-HE-Tag: 1778769464-789865 X-HE-Meta: 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 pMAhWYnk lypmOWQ2KDa96HICwySJ9Q2hyf4zu3IPy4VVxQqZb6LOnTIHlsxdVUkiMP/Sz8TYidqNjRdo3GZuovoOH+LqToCnfn7iPJ+Cb/sbIzqhsSHslQJ3t/qPj5XnUaOXQrMuleTB59b4TSny5zbeP8Oz+0d7Bsc50lpOB/7GQMxuFk4IaVqYMDByLwoJWqpCx/4vrzxwkINgq8135n0qyBqcTC1/sr2rZOpNrNkfzNARcqBGSLI6rG+hPjIsS6SaK2xL9+qNYfSPH4gkizuZccTkrWYtEail+BTfEibG4SVpgg5VKRrsjd8N41c4AwVkPmZ6VatqBMIgCpYybcssrAUthFtcZ4CN4Ic8fcL3bpvqFyeMJBzOiqXD8y1LyTg== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, May 13, 2026 at 04:58:37PM +0900, Damien Le Moal wrote: > On 5/13/26 16:46, Christoph Hellwig wrote: > > On Wed, May 13, 2026 at 04:44:53PM +0900, Damien Le Moal wrote: > >> Hmmm... With zonefs, swap files can be created on top of conventional zone > >> files. So enforcing "no swap on zoned device" here would break that. > > > > We can check that none of the extents fall onto sequential zones instead > > of just devices. > > > > I still wonder why you bother with swap to zonefs at all, though. > > Yeah. I do not think anyone actually use that... But since it is there from the > start, kind of stuck with it now. Ahh, right, I forgot that zoned devices can have conventional zones where swap would actually work. Question withdrawn. --D