The patch titled
dm table: pass device's data start to blk_stack_limits() in bytes
has been added to the -mm tree. Its filename is
dm-table-pass-devices-data-start-to-blk_stack_limits-in-bytes.patch
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------------------------------------------------------
Subject: dm table: pass device's data start to blk_stack_limits() in bytes
From: Mike Snitzer <snitzer@xxxxxxxxxx>
The offset passed to blk_stack_limits() must be in bytes not sectors.
Fixes false warnings like the following: device-mapper: table: 254:1:
target device sda6 is misaligned
Addresses http://bugzilla.kernel.org/show_bug.cgi?id=13641
Signed-off-by: Mike Snitzer <snitzer@xxxxxxxxxx>
Reported-by: Frans Pop <elendil@xxxxxxxxx>
Tested-by: Frans Pop <elendil@xxxxxxxxx>
Cc: Alasdair G Kergon <agk@xxxxxxxxxx>
Cc: Jean-Luc Coulon <jean.luc.coulon@xxxxxxxxx>
Cc: "Rafael J. Wysocki" <rjw@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/md/dm-table.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN drivers/md/dm-table.c~dm-table-pass-devices-data-start-to-blk_stack_limits-in-bytes drivers/md/dm-table.c
--- a/drivers/md/dm-table.c~dm-table-pass-devices-data-start-to-blk_stack_limits-in-bytes
+++ a/drivers/md/dm-table.c
@@ -495,7 +495,7 @@ int dm_set_device_limits(struct dm_targe
return 0;
}
- if (blk_stack_limits(limits, &q->limits, start) < 0)
+ if (blk_stack_limits(limits, &q->limits, start << 9) < 0)
DMWARN("%s: target device %s is misaligned",
dm_device_name(ti->table->md), bdevname(bdev, b));
_
Patches currently in -mm which might be from snitzer@xxxxxxxxxx are
dm-table-pass-devices-data-start-to-blk_stack_limits-in-bytes.patch
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