btrfs: add assertion helpers for spinning writers

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Add helpers for conditional DEBUG build to assert that the extent buffer
spinning_writers constraints are met. Will be used in followup patches.

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

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David Sterba 2018-08-24 14:45:20 +02:00

parent 8882679ea5

commit e4e9fd0f32

1 changed files with 24 additions and 0 deletions

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fs/btrfs/locking.c

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