David Sterba d23ea3fa7d btrfs: assert extent map tree lock in add_extent_mapping ...

As add_extent_mapping is called from several functions, let's add the
lock annotation. The tree is going to be modified so it must be the
exclusive lock.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

2019-09-09 14:59:00 +02:00

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