[PATCH 03/15] dm: make EBS depend on !HIGHMEM

Christoph Hellwig
2021-08-04T10:01:50Z

__ebs_rw_bvec use page_address on the submitted bios data, and thus
can't deal with highmem. Disable the target on highmem configs.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
drivers/md/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index 0602e82a9516..ecc559c60d40 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -340,7 +340,7 @@ config DM_WRITECACHE

config DM_EBS
tristate "Emulated block size target (EXPERIMENTAL)"
- depends on BLK_DEV_DM
+ depends on BLK_DEV_DM && !HIGHMEM
select DM_BUFIO
help
dm-ebs emulates smaller logical block size on backing devices
--
2.30.2