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authorJens Axboe <axboe@kernel.dk>2018-02-07 15:54:25 -0700
committerJens Axboe <axboe@kernel.dk>2018-02-07 15:54:25 -0700
commit8525e5ff456592effe83640ea1702525e35b0363 (patch)
tree9943d51f75ba4f53fbbb900cef3ae4735882b796 /drivers/md/bcache/util.h
parent61a695184fcc8f225327206b88320279dd8684af (diff)
parenta7877390614770965a6925dfed79cbd3eeeb61e0 (diff)
Merge branch 'for-linus' into test
* for-linus: block, bfq: add requeue-request hook bcache: fix for data collapse after re-attaching an attached device bcache: return attach error when no cache set exist bcache: set writeback_rate_update_seconds in range [1, 60] seconds bcache: fix for allocator and register thread race bcache: set error_limit correctly bcache: properly set task state in bch_writeback_thread() bcache: fix high CPU occupancy during journal bcache: add journal statistic block: Add should_fail_bio() for bpf error injection blk-wbt: account flush requests correctly
Diffstat (limited to 'drivers/md/bcache/util.h')
-rw-r--r--drivers/md/bcache/util.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/md/bcache/util.h b/drivers/md/bcache/util.h
index 4df4c5c1cab2..a6763db7f061 100644
--- a/drivers/md/bcache/util.h
+++ b/drivers/md/bcache/util.h
@@ -112,6 +112,8 @@ do { \
#define heap_full(h) ((h)->used == (h)->size)
+#define heap_empty(h) ((h)->used == 0)
+
#define DECLARE_FIFO(type, name) \
struct { \
size_t front, back, size, mask; \