ceph: fix direct io truncate offset

truncate_inode_pages_range wants the end offset to align with the last byte
in a page.

Signed-off-by: Sage Weil <sage@newdream.net>

1 files changed, 2 insertions, 1 deletions

diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 4add3d5da2c1..ed6f19721d6e 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -665,7 +665,8 @@ more:
                  * throw out any page cache pages in this range. this
                  * may block.
                  */
-                truncate_inode_pages_range(inode->i_mapping, pos, pos+len);
+                truncate_inode_pages_range(inode->i_mapping, pos, 
+                                           (pos+len) | (PAGE_CACHE_SIZE-1));
         } else {
                 pages = alloc_page_vector(num_pages);
                 if (IS_ERR(pages)) {