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nvmet: propagate npwg topology

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BugLink: https://bugs.launchpad.net/bugs/2107449

[ Upstream commit b579d6fdc3a9149bb4d2b3133cc0767130ed13e6 ]

Ensure we propagate npwg to the target as well instead
of assuming its the same logical blocks per physical block.

This ensures devices with large IUs information properly
propagated on the target.

Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Koichiro Den <koichiro.den@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
This commit is contained in:
Luis Chamberlain
2024-12-17 18:33:25 -08:00
committed by Stefan Bader
parent f7ad44deb1
commit e9d02aa9c6
1 changed files with 1 additions and 1 deletions
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drivers/nvme/target/io-cmd-bdev.c
+1 -1
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@@ -36,7 +36,7 @@ void nvmet_bdev_set_limits(struct block_device *bdev, struct nvme_id_ns *id)
*/
id->nsfeat |= 1 << 4;
/* NPWG = Namespace Preferred Write Granularity. 0's based */
id->npwg = lpp0b;
id->npwg = to0based(bdev_io_min(bdev) / bdev_logical_block_size(bdev));
/* NPWA = Namespace Preferred Write Alignment. 0's based */
id->npwa = id->npwg;
/* NPDG = Namespace Preferred Deallocate Granularity. 0's based */