bcache: Zero less memory
Another minor performance optimization
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
diff --git a/drivers/md/bcache/request.h b/drivers/md/bcache/request.h
index 2cd65bf..39f21db 100644
--- a/drivers/md/bcache/request.h
+++ b/drivers/md/bcache/request.h
@@ -13,17 +13,22 @@
uint16_t write_prio;
short error;
- unsigned bypass:1;
- unsigned writeback:1;
- unsigned flush_journal:1;
- unsigned csum:1;
+ union {
+ uint16_t flags;
- unsigned replace:1;
- unsigned replace_collision:1;
+ struct {
+ unsigned bypass:1;
+ unsigned writeback:1;
+ unsigned flush_journal:1;
+ unsigned csum:1;
- unsigned insert_data_done:1;
+ unsigned replace:1;
+ unsigned replace_collision:1;
- /* Anything past this point won't get zeroed in search_alloc() */
+ unsigned insert_data_done:1;
+ };
+ };
+
struct keylist insert_keys;
BKEY_PADDED(replace_key);
};