1 files changed, 9 insertions, 0 deletions

diff --git a/fs/splice.c b/fs/splice.c
index 7c2abd4504d7..b5fb2f3e3ac6 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -52,6 +52,15 @@ static int page_cache_pipe_buf_steal(struct pipe_inode_info *info,
         WARN_ON(!PageLocked(page));
         WARN_ON(!PageUptodate(page));
 
+        /*
+         * At least for ext2 with nobh option, we need to wait on writeback
+         * completing on this page, since we'll remove it from the pagecache.
+         * Otherwise truncate wont wait on the page, allowing the disk
+         * blocks to be reused by someone else before we actually wrote our
+         * data to them. fs corruption ensues.
+         */
+        wait_on_page_writeback(page);
+
         if (PagePrivate(page))
                 try_to_release_page(page, mapping_gfp_mask(mapping));