Hi Linus, please pull from:
git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm.git
tags/libnvdimm-fix-v5.9-rc5
...to receive another fix for detection of DAX support for block
devices. The previous fix in this area (merged in -rc3) was incomplete,
and this should finally address all the problems.
---
The following changes since commit c2affe920b0e0669650943ac086215cf6519be34:
dax: do not print error message for non-persistent memory block device
(2020-08-20 11:43:18 -0600)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm.git
tags/libnvdimm-fix-v5.9-rc5
for you to fetch changes up to 6180bb446ab624b9ab8bf201ed251ca87f07b413:
dax: fix detection of dax support for non-persistent memory block devices
(2020-09-03 12:28:03 -0600)
libnvdimm fix for v5.9-rc5
Fix decetion of dax support for block devices. Previous fixes in this
area, which only affected printing of debug messages, had an incorrect
condition for detection of dax. This fix should finally do the right thing.
Coly Li (1):
dax: fix detection of dax support for non-persistent memory block devices
drivers/dax/super.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/dax/super.c b/drivers/dax/super.c
index 32642634c1bb..e5767c83ea23 100644
--- a/drivers/dax/super.c
+++ b/drivers/dax/super.c
@@ -100,7 +100,7 @@ bool __generic_fsdax_supported(struct dax_device *dax_dev,
return false;
}
- if (!dax_dev && !bdev_dax_supported(bdev, blocksize)) {
+ if (!dax_dev || !bdev_dax_supported(bdev, blocksize)) {
pr_debug("%s: error: dax unsupported by block device\n",
bdevname(bdev, buf));
return false;
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