Use library helper memset_page() to set the buffer to 0xFF instead of
having duplicate code. This also removes deprecated API kmap_atomic()
from :include/linux/highmem.h:
"kmap_atomic - Atomically map a page for temporary usage - Deprecated!"
Signed-off-by: Chaitanya Kulkarni <kch@xxxxxxxxxx>
---
drivers/block/null_blk/main.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c
index 2b344dcb4382..41da75a7f75e 100644
--- a/drivers/block/null_blk/main.c
+++ b/drivers/block/null_blk/main.c
@@ -1167,11 +1167,7 @@ static int copy_from_nullb(struct nullb *nullb, struct page *dest,
static void nullb_fill_pattern(struct nullb *nullb, struct page *page,
unsigned int len, unsigned int off)
{
- void *dst;
-
- dst = kmap_atomic(page);
- memset(dst + off, 0xFF, len);
- kunmap_atomic(dst);
+ memset_page(page, off, 0xff, len);
}
blk_status_t null_handle_discard(struct nullb_device *dev,
--
2.29.0
