[PATCH v2 05/16] ceph: Tell the VFS that readpage was synchronous

[Matthew Wilcox (Oracle)]

The ceph 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>
Reviewed-by: Jeff Layton <jlay...@kernel.org>
---
 fs/ceph/addr.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 6ea761c84494..b2bf8bf7a312 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -291,10 +291,11 @@ static int ceph_do_readpage(struct file *filp, struct 
page *page)
 static int ceph_readpage(struct file *filp, struct page *page)
 {
        int r = ceph_do_readpage(filp, page);
-       if (r != -EINPROGRESS)
-               unlock_page(page);
-       else
-               r = 0;
+       if (r == -EINPROGRESS)
+               return 0;
+       if (r == 0)
+               return AOP_UPDATED_PAGE;
+       unlock_page(page);
        return r;
 }
 
-- 
2.28.0