tree 0f191662ee322e52ed7946390b6fc4bb7c0eb130
parent 4a92b1b8d2810db4ea0c34616b94c0b3810fa027
author Josef Bacik <josef@redhat.com> 1316447934 -0400
committer Josef Bacik <josef@redhat.com> 1319051564 -0400

Btrfs: make sure to unset trans->block_rsv before running delayed refs

Checksums are charged in 2 different ways.  The first case is when we're writing
to the disk, we account for the new checksums with the delalloc block rsv.  In
order for this to work we check if we're allocating a block for the csum root
and if trans->block_rsv == the delalloc block rsv.  But when we're deleting the
csums because of cow, this is charged to the global block rsv, and is done when
we run the delayed refs.  So we need to make sure that trans->block_rsv == NULL
when running the delayed refs.  So set it to NULL and reset it in
should_end_transaction, and set it to NULL in commit_transaction.  This got rid
of the ridiculous amount of warnings I was seeing when trying to do a balance.
Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>