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-rw-r--r--fs/buffer.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/buffer.c b/fs/buffer.c
index 2a7828c0e59b..f65ef8821c73 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1854,6 +1854,7 @@ static int __block_prepare_write(struct inode *inode, struct page *page,
clear_buffer_new(bh);
kaddr = kmap_atomic(page, KM_USER0);
memset(kaddr+block_start, 0, bh->b_size);
+ flush_dcache_page(page);
kunmap_atomic(kaddr, KM_USER0);
set_buffer_uptodate(bh);
mark_buffer_dirty(bh);
@@ -2360,6 +2361,7 @@ failed:
*/
kaddr = kmap_atomic(page, KM_USER0);
memset(kaddr, 0, PAGE_CACHE_SIZE);
+ flush_dcache_page(page);
kunmap_atomic(kaddr, KM_USER0);
SetPageUptodate(page);
set_page_dirty(page);