@@ -1633,13 +1633,18 @@ xfs_buf_zero(
{
size_t bend;
+ if (bp->b_addr) {
+ memset(bp->b_addr + boff, 0, bsize);
+ return;
+ }
+
bend = boff + bsize;
while (boff < bend) {
struct page *page;
int page_index, page_offset, csize;
- page_index = (boff + bp->b_offset) >> PAGE_SHIFT;
- page_offset = (boff + bp->b_offset) & ~PAGE_MASK;
+ page_index = boff >> PAGE_SHIFT;
+ page_offset = boff & ~PAGE_MASK;
page = bp->b_pages[page_index];
csize = min_t(size_t, PAGE_SIZE - page_offset,
BBTOB(bp->b_length) - boff);