[PATCH 03/15] dm: make EBS depend on !HIGHMEM
From: Christoph Hellwig <hch@lst.de>
Date: 2021-08-04 10:01:50
Also in:
ceph-devel, dm-devel, linux-bcache, linux-block, linux-nvme, linux-raid, linux-s390, linux-scsi, virtualization
Subsystem:
device-mapper (lvm), software raid (multiple disks) support, the rest · Maintainers:
Alasdair Kergon, Mike Snitzer, Mikulas Patocka, Benjamin Marzinski, Song Liu, Yu Kuai, Linus Torvalds
__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
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