| commit | b77000ed558daa3bef0899d29bf171b8c9b5e6a8 | [log] [tgz] |
|---|---|---|
| author | Josef Bacik <jbacik@fb.com> | Wed Nov 15 16:20:52 2017 -0500 |
| committer | David Sterba <dsterba@suse.com> | Mon Nov 27 15:50:07 2017 +0100 |
| tree | df4e2531b11c7a3ea309c9ee991d43090f2be4b5 | |
| parent | 8e138e0d92c6c9d3d481674fb14e3439b495be37 [diff] |
btrfs: fix deadlock when writing out space cache If we fail to prepare our pages for whatever reason (out of memory in our case) we need to make sure to drop the block_group->data_rwsem, otherwise hilarity ensues. Signed-off-by: Josef Bacik <jbacik@fb.com> Reviewed-by: Omar Sandoval <osandov@fb.com> Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Reviewed-by: David Sterba <dsterba@suse.com> [ add label and use existing unlocking code ] Signed-off-by: David Sterba <dsterba@suse.com>