From: Huaisheng Ye <yehs1@xxxxxxxxxx> 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 <yehs1@xxxxxxxxxx> --- 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
