[PATCH 2/2] md/bitmap: remove unused fields from struct bitmap

[Namhyung Kim <namhyung@gmail.com>]

Get rid of ->syncchunk and ->counter_bits since they're never used.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
---
 drivers/md/bitmap.c |    3 ---
 drivers/md/bitmap.h |    9 ---------
 2 files changed, 0 insertions(+), 12 deletions(-)

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 8b40bd71bb4a..0e3b314917ab 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1754,9 +1754,6 @@ int bitmap_create(mddev_t *mddev)
 	bitmap->chunks = chunks;
 	bitmap->pages = pages;
 	bitmap->missing_pages = pages;
-	bitmap->counter_bits = COUNTER_BITS;
-
-	bitmap->syncchunk = ~0UL;
 
 #ifdef INJECT_FATAL_FAULT_1
 	bitmap->bp = NULL;
diff --git a/drivers/md/bitmap.h b/drivers/md/bitmap.h
index d0aeaf46d932..0a239f5d0ca1 100644
--- a/drivers/md/bitmap.h
+++ b/drivers/md/bitmap.h
@@ -196,19 +196,10 @@ struct bitmap {
 
 	mddev_t *mddev; /* the md device that the bitmap is for */
 
-	int counter_bits; /* how many bits per block counter */
-
 	/* bitmap chunksize -- how much data does each bit represent? */
 	unsigned long chunkshift; /* chunksize = 2^chunkshift (for bitops) */
 	unsigned long chunks; /* total number of data chunks for the array */
 
-	/* We hold a count on the chunk currently being synced, and drop
-	 * it when the last block is started.  If the resync is aborted
-	 * midway, we need to be able to drop that count, so we remember
-	 * the counted chunk..
-	 */
-	unsigned long syncchunk;
-
 	__u64	events_cleared;
 	int need_sync;
 
-- 
1.7.5.2