ceph: remove stale check in ceph_invalidatepage()

Both set_page_dirty and truncate_complete_page should be called
for locked page, they can't race with each other.

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

1 files changed, 1 insertions, 8 deletions

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index d82036e19083..b6ac3da9ddab 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -152,17 +152,10 @@ static void ceph_invalidatepage(struct page *page, unsigned int offset,
 
         ceph_invalidate_fscache_page(inode, page);
 
+        WARN_ON(!PageLocked(page));
         if (!PagePrivate(page))
                 return;
 
-        /*
-         * We can get non-dirty pages here due to races between
-         * set_page_dirty and truncate_complete_page; just spit out a
-         * warning, in case we end up with accounting problems later.
-         */
-        if (!PageDirty(page))
-                pr_err("%p invalidatepage %p page not dirty\n", inode, page);
-
         ClearPageChecked(page);
 
         dout("%p invalidatepage %p idx %lu full dirty page\n",