ext3: Add replace-on-truncate hueristics for data=writeback mode

[platform/kernel/linux-rpi.git] / fs / ext3 / file.c

diff --git a/fs/ext3/file.c b/fs/ext3/file.c
index 3be1e06..4a04cbb 100644 (file)
--- a/fs/ext3/file.c
+++ b/fs/ext3/file.c
@@ -33,6 +33,10 @@
  */
 static int ext3_release_file (struct inode * inode, struct file * filp)
 {
+       if (EXT3_I(inode)->i_state & EXT3_STATE_FLUSH_ON_CLOSE) {
+               filemap_flush(inode->i_mapping);
+               EXT3_I(inode)->i_state &= ~EXT3_STATE_FLUSH_ON_CLOSE;
+       }
        /* if we are the last writer on the inode, drop the block reservation */
        if ((filp->f_mode & FMODE_WRITE) &&
                        (atomic_read(&inode->i_writecount) == 1))