ceph: fix buffer pointer advance in ceph_sync_write

We should advance the user data pointer by _len_ instead of _written_.
_len_ is the data length written in each iteration while _written_ is the
accumulated data length we have writtent out.

Signed-off-by: Henry C Chang <henry.cy.chang@gmail.com>
Reviewed-by: Greg Farnum <greg@inktank.com>
Tested-by: Sage Weil <sage@inktank.com>

diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 0ac6e15..aeafa67 100644 (file)
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -611,7 +611,7 @@ out:
                pos += len;
                written += len;
                left -= len;
-               data += written;
+               data += len;
                if (left)
                        goto more;