ceph: call __fscache_uncache_page() if readpages fails

If readpages fails, fscache needs to cleanup its internal state.

Signed-off-by: Yan, Zheng <zyan@redhat.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index eeb71e5de27a..4ff62fc98fb5 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -276,8 +276,10 @@ static void finish_read(struct ceph_osd_request *req)
         for (i = 0; i < num_pages; i++) {
                 struct page *page = osd_data->pages[i];
 
-                if (rc < 0 && rc != -ENOENT)
+                if (rc < 0 && rc != -ENOENT) {
+                        ceph_fscache_readpage_cancel(inode, page);
                         goto unlock;
+                }
                 if (bytes < (int)PAGE_SIZE) {
                         /* zero (remainder of) page */
                         int s = bytes < 0 ? 0 : bytes;