bcachefs: Fix journal_flush_seq()

The error check was inverted - leading fsyncs to get stuck and hang,
oops.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2020-12-02 15:33:12 -05:00 • committed by Kent Overstreet
commit c5bb169034