diff mbox series

[RFC,1/8] brd: use memcpy_from_page() in copy_from_brd()

Message ID 20210207190425.38107-2-chaitanya.kulkarni@wdc.com (mailing list archive)
State New, archived
Headers show
Series use core page calls instead of kmaps | expand

Commit Message

Chaitanya Kulkarni Feb. 7, 2021, 7:04 p.m. UTC 
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
---
 drivers/block/brd.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index cb5c872ac9b2..d41b7d489e9f 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -226,11 +226,9 @@  static void copy_from_brd(void *dst, struct brd_device *brd,
 
 	copy = min_t(size_t, n, PAGE_SIZE - offset);
 	page = brd_lookup_page(brd, sector);
-	if (page) {
-		src = kmap_atomic(page);
-		memcpy(dst, src + offset, copy);
-		kunmap_atomic(src);
-	} else
+	if (page)
+		memcpy_from_page(dst, page, offset, copy);
+	else
 		memset(dst, 0, copy);
 
 	if (copy < n) {