NFSv4: Truncating file opens should also sync O_DIRECT writes

We don't just want to sync out buffered writes, but also O_DIRECT ones.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 60f907666697..f1fc0e4c1c02 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -133,11 +133,12 @@ void nfs_evict_inode(struct inode *inode)
         nfs_clear_inode(inode);
 }
 
-static int nfs_sync_inode(struct inode *inode)
+int nfs_sync_inode(struct inode *inode)
 {
         nfs_inode_dio_wait(inode);
         return nfs_wb_all(inode);
 }
+EXPORT_SYMBOL_GPL(nfs_sync_inode);
 
 /**
  * nfs_sync_mapping - helper to flush all mmapped dirty data to disk