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Message-ID: <e971095e-1015-c348-3c24-114193ee5ff0@linux.ibm.com> Date: Mon, 11 Apr 2022 14:03:50 +0200 From: Jan Höppner <hoeppner@...ux.ibm.com> To: Christoph Hellwig <hch@....de>, Jens Axboe <axboe@...nel.dk> Cc: dm-devel@...hat.com, linux-xfs@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-um@...ts.infradead.org, linux-block@...r.kernel.org, drbd-dev@...ts.linbit.com, nbd@...er.debian.org, ceph-devel@...r.kernel.org, virtualization@...ts.linux-foundation.org, xen-devel@...ts.xenproject.org, linux-bcache@...r.kernel.org, linux-raid@...r.kernel.org, linux-mmc@...r.kernel.org, linux-mtd@...ts.infradead.org, linux-nvme@...ts.infradead.org, linux-s390@...r.kernel.org, linux-scsi@...r.kernel.org, target-devel@...r.kernel.org, linux-btrfs@...r.kernel.org, linux-ext4@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net, cluster-devel@...hat.com, jfs-discussion@...ts.sourceforge.net, linux-nilfs@...r.kernel.org, ntfs3@...ts.linux.dev, ocfs2-devel@....oracle.com, linux-mm@...ck.org, "Martin K . Petersen" <martin.petersen@...cle.com>, Christoph Böhmwalder <christoph.boehmwalder@...bit.com>, Coly Li <colyli@...e.de> Subject: Re: [PATCH 24/27] block: remove QUEUE_FLAG_DISCARD On 09/04/2022 06:50, Christoph Hellwig wrote: > Just use a non-zero max_discard_sectors as an indicator for discard > support, similar to what is done for write zeroes. > > The only places where needs special attention is the RAID5 driver, > which must clear discard support for security reasons by default, > even if the default stacking rules would allow for it. > > Signed-off-by: Christoph Hellwig <hch@....de> > Reviewed-by: Martin K. Petersen <martin.petersen@...cle.com> > Acked-by: Christoph Böhmwalder <christoph.boehmwalder@...bit.com> [btrfs] > Acked-by: Coly Li <colyli@...e.de> [bcache] > --- For > drivers/s390/block/dasd_fba.c | 1 - Acked-by: Jan Höppner <hoeppner@...ux.ibm.com>
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