From: Huaisheng Ye <ye...@lenovo.com>
Some functions within driver/dax don't need to get pointer kaddr from
direct_access. In support of allowing memmap initialization to run in
the background elide requests for pointer kaddr when not required.
Signed-off-by: Huaisheng Ye <ye...@lenovo.com>
---
drivers/dax/super.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/dax/super.c b/drivers/dax/super.c
index 2b2332b..fad68d2 100644
--- a/drivers/dax/super.c
+++ b/drivers/dax/super.c
@@ -88,7 +88,6 @@ int __bdev_dax_supported(struct super_block *sb, int
blocksize)
struct dax_device *dax_dev;
pgoff_t pgoff;
int err, id;
- void *kaddr;
pfn_t pfn;
long len;
@@ -113,7 +112,7 @@ int __bdev_dax_supported(struct super_block *sb, int
blocksize)
}
id = dax_read_lock();
- len = dax_direct_access(dax_dev, pgoff, 1, &kaddr, &pfn);
+ len = dax_direct_access(dax_dev, pgoff, 1, NULL, &pfn);
dax_read_unlock(id);
put_dax(dax_dev);
--
1.8.3.1
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