diff options
| author | Josef Bacik <jbacik@fb.com> | 2017-11-15 16:20:52 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-02-03 17:04:27 +0100 |
| commit | de3d7e13461c5727128ffaa725d254d2c704ba03 (patch) | |
| tree | 0cdf3f905c2c83bbd026ccc28657f1270abb079c /scripts/stackusage | |
| parent | 4870fb97221d3fd8d8868e26aa4e61f78ebb32b2 (diff) | |
btrfs: fix deadlock when writing out space cache
[ Upstream commit b77000ed558daa3bef0899d29bf171b8c9b5e6a8 ]
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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'scripts/stackusage')
0 files changed, 0 insertions, 0 deletions