Josef Bacik f28de8d8fd
btrfs: clear DEAD_RELOC_TREE before dropping the reloc root ...
The DEAD_RELOC_TREE flag is in place in order to avoid a use after free
in init_reloc_root, tracking the presence of reloc_root. However adding
the explicit tree references in previous patches makes the use after
free impossible because at this point we no longer have a reloc_control
set on the fs_info and thus cannot enter the function.
So move this to be coupled with clearing the root->reloc_root so we're
consistent with all other operations of the reloc root.
Signed-off-by: Josef Bacik <josef@toxicpanda.com >
Reviewed-by: David Sterba <dsterba@suse.com >
[ update changelog ]
Signed-off-by: David Sterba <dsterba@suse.com >
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