[PATCH 03/27] target: fix discard alignment on partitions
- To: Jens Axboe <axboe@kernel.dk>
- Cc: dm-devel@redhat.com, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-um@lists.infradead.org, linux-block@vger.kernel.org, drbd-dev@lists.linbit.com, nbd@other.debian.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, xen-devel@lists.xenproject.org, linux-bcache@vger.kernel.org, linux-raid@vger.kernel.org, linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com, jfs-discussion@lists.sourceforge.net, linux-nilfs@vger.kernel.org, ntfs3@lists.linux.dev, ocfs2-devel@oss.oracle.com, linux-mm@kvack.org
- Subject: [PATCH 03/27] target: fix discard alignment on partitions
- From: Christoph Hellwig <hch@lst.de>
- Date: Wed, 6 Apr 2022 08:04:52 +0200
- Message-id: <[🔎] 20220406060516.409838-4-hch@lst.de>
- In-reply-to: <[🔎] 20220406060516.409838-1-hch@lst.de>
- References: <[🔎] 20220406060516.409838-1-hch@lst.de>
Use the proper bdev_discard_alignment helper that accounts for partition
offsets.
Fіxes: c66ac9db8d4a ("[SCSI] target: Add LIO target core v4.0.0-rc6")
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
drivers/target/target_core_device.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index 3a1ec705cd80b..16e775bcf4a7c 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -849,8 +849,8 @@ bool target_configure_unmap_from_queue(struct se_dev_attrib *attrib,
*/
attrib->max_unmap_block_desc_count = 1;
attrib->unmap_granularity = q->limits.discard_granularity / block_size;
- attrib->unmap_granularity_alignment = q->limits.discard_alignment /
- block_size;
+ attrib->unmap_granularity_alignment =
+ bdev_discard_alignment(bdev) / block_size;
return true;
}
EXPORT_SYMBOL(target_configure_unmap_from_queue);
--
2.30.2
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