1 files changed, 10 insertions, 3 deletions

diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index f4b1057abdd2..c587e2d27183 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -1832,9 +1832,8 @@ static ssize_t ntfs_file_buffered_write(struct kiocb *iocb,
          * fails again.
          */
         if (unlikely(NInoTruncateFailed(ni))) {
-                down_write(&vi->i_alloc_sem);
+                inode_dio_wait(vi);
                 err = ntfs_truncate(vi);
-                up_write(&vi->i_alloc_sem);
                 if (err || NInoTruncateFailed(ni)) {
                         if (!err)
                                 err = -EIO;
@@ -2153,12 +2152,19 @@ static ssize_t ntfs_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
  * with this inode but since we have no simple way of getting to them we ignore
  * this problem for now.
  */
-static int ntfs_file_fsync(struct file *filp, int datasync)
+static int ntfs_file_fsync(struct file *filp, loff_t start, loff_t end,
+                           int datasync)
 {
         struct inode *vi = filp->f_mapping->host;
         int err, ret = 0;
 
         ntfs_debug("Entering for inode 0x%lx.", vi->i_ino);
+
+        err = filemap_write_and_wait_range(vi->i_mapping, start, end);
+        if (err)
+                return err;
+        mutex_lock(&vi->i_mutex);
+
         BUG_ON(S_ISDIR(vi->i_mode));
         if (!datasync || !NInoNonResident(NTFS_I(vi)))
                 ret = __ntfs_write_inode(vi, 1);
@@ -2176,6 +2182,7 @@ static int ntfs_file_fsync(struct file *filp, int datasync)
         else
                 ntfs_warning(vi->i_sb, "Failed to f%ssync inode 0x%lx.  Error "
                                 "%u.", datasync ? "data" : "", vi->i_ino, -ret);
+        mutex_unlock(&vi->i_mutex);
         return ret;
 }