use function defined in include/linux/highmem.h
Note that this reverts 2 last function call order
Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
---
fs/btrfs/scrub.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index efa0831..fa063cd 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -1503,13 +1503,9 @@ static int scrub_write_page_to_dev_replace(struct scrub_block *sblock,
struct scrub_page *spage = sblock->pagev[page_num];
BUG_ON(spage->page == NULL);
- if (spage->io_error) {
- void *mapped_buffer = kmap_atomic(spage->page);
+ if (spage->io_error)
+ zero_user_segment(spage->page, 0, PAGE_CACHE_SIZE);
- memset(mapped_buffer, 0, PAGE_CACHE_SIZE);
- flush_dcache_page(spage->page);
- kunmap_atomic(mapped_buffer);
- }
return scrub_add_page_to_wr_bio(sblock->sctx, spage);
}
--
1.9.3
--
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