btrfs: assert tree is locked when clearing extent map from logging

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When calling clear_em_logging() we should have a write lock on the extent
map tree, as we will try to merge the extent map with the previous and
next ones in the tree. So assert that we have a write lock.

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Filipe Manana 2022-09-19 15:06:36 +01:00 • committed by David Sterba

parent 2e0cdaa028

commit 74333c7d87

1 changed files with 2 additions and 0 deletions

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fs/btrfs/extent_map.c

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