[PATCH] xfs: test for shut down fs in xfs_dir_fsync()

[Christoph Hellwig]

On Mon, Apr 28, 2014 at 11:35:16AM -0500, Eric Sandeen wrote:
> Similar to xfs_file_fsync(), I think xfs_dir_fsync() needs
> to test for a shut down fs,

It probably should.

> lest we go down paths we'll
> never be able to complete; Boris reported that during some
> stress tests he had threads stuck in xlog_cil_force_lsn
> via xfs_dir_fsync().

But this could still happen if we get a shutdown coming in after that
test.