Remove this open-coded call to kmap()/memset()/kunmap() with the
higher-level abstraction folio_zero_range().
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
fs/reiserfs/tail_conversion.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/fs/reiserfs/tail_conversion.c b/fs/reiserfs/tail_conversion.c
index a61bca73c45f..ca36bb88b8b0 100644
--- a/fs/reiserfs/tail_conversion.c
+++ b/fs/reiserfs/tail_conversion.c
@@ -151,11 +151,11 @@ int direct2indirect(struct reiserfs_transaction_handle *th, struct inode *inode,
* out the unused part of the block (it was not up to date before)
*/
if (up_to_date_bh) {
- unsigned pgoff =
- (tail_offset + total_tail - 1) & (PAGE_SIZE - 1);
- char *kaddr = kmap_atomic(up_to_date_bh->b_page);
- memset(kaddr + pgoff, 0, blk_size - total_tail);
- kunmap_atomic(kaddr);
+ size_t start = offset_in_folio(up_to_date_bh->b_folio,
+ (tail_offset + total_tail - 1));
+
+ folio_zero_range(up_to_date_bh->b_folio, start,
+ blk_size - total_tail);
}
REISERFS_I(inode)->i_first_direct_byte = U32_MAX;
--
2.35.1
