btrfs: add assertion helpers for extent buffer read lock counters

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The read_locks are a simple counter to track locking balance and used to
assert tree locks.  Add helpers to make it conditionally work only in
DEBUG builds.  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 16:13:41 +02:00

parent afd495a826

commit 58a2ddaedb

1 changed files with 18 additions and 7 deletions

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fs/btrfs/locking.c

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