[PATCH 09/13] hostfs: Tell the VFS that readpage was synchronous

[Matthew Wilcox (Oracle)]

The hostfs readpage implementation was already synchronous, so use
AOP_UPDATED_PAGE to avoid cycling the page lock.

Signed-off-by: Matthew Wilcox (Oracle) <wi...@infradead.org>
---
 fs/hostfs/hostfs_kern.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index c070c0d8e3e9..c49221c09c4b 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -455,6 +455,8 @@ static int hostfs_readpage(struct file *file, struct page 
*page)
  out:
        flush_dcache_page(page);
        kunmap(page);
+       if (!ret)
+               return AOP_UPDATED_PAGE;
        unlock_page(page);
        return ret;
 }
-- 
2.28.0