ceph: fix copy_user_to_page_vector()

The function was broken in the case where there was more than one page
involved, broke the ceph sync_write case.

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>

1 files changed, 4 insertions, 4 deletions

diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index fc8aff4767d3..2d88c805a56c 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -350,10 +350,10 @@ static int copy_user_to_page_vector(struct page **pages,
                         return -EFAULT;
                 data += l - bad;
                 left -= l - bad;
-                if (po) {
-                        po += l - bad;
-                        if (po == PAGE_CACHE_SIZE)
-                                po = 0;
+                po += l - bad;
+                if (po == PAGE_CACHE_SIZE) {
+                        po = 0;
+                        i++;
                 }
         }
         return len;