On Fri, Jul 16, 2021 at 04:00:32PM +0100, Matthew Wilcox (Oracle) wrote:
Inline data needs to be flushed from the kernel's view of a page before it's mapped by userspace.
Cc: stable@vger.kernel.org Fixes: 19e0c58f6552 ("iomap: generic inline data handling") Signed-off-by: Matthew Wilcox (Oracle) willy@infradead.org
Reviewed-by: Gao Xiang hsiangkao@linux.alibaba.com (will update on my side as well)
Thanks, Gao Xiang
fs/iomap/buffered-io.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index 41da4f14c00b..fe60c603f4ca 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -222,6 +222,7 @@ iomap_read_inline_data(struct inode *inode, struct page *page, memcpy(addr, iomap->inline_data, size); memset(addr + size, 0, PAGE_SIZE - size); kunmap_atomic(addr);
- flush_dcache_page(page); SetPageUptodate(page);
} -- 2.30.2