Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:
  9p: Update documentation to add fscache related bits
  9p: Add fscache support to 9p
  9p: Fix the incorrect update of inode size in v9fs_file_write()
  9p: Use the i_size_[read, write]() macros instead of using inode->i_size directly.