Inline data needs to be flushed from the kernel's view of a page before it's mapped by userspace.
Cc: [email protected] Fixes: 19e0c58f6552 ("iomap: generic inline data handling") Signed-off-by: Matthew Wilcox (Oracle) <[email protected]> --- 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
