1 files changed, 10 insertions, 7 deletions

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 95980ad6b27b..70bca955e0de 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -108,7 +108,7 @@ static unsigned char *bitmap_alloc_page(struct bitmap *bitmap)
 {
         unsigned char *page;
 
-#if INJECT_FAULTS_1
+#ifdef INJECT_FAULTS_1
         page = NULL;
 #else
         page = kmalloc(PAGE_SIZE, GFP_NOIO);
@@ -843,7 +843,7 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, int in_sync)
 
         BUG_ON(!file && !bitmap->offset);
 
-#if INJECT_FAULTS_3
+#ifdef INJECT_FAULTS_3
         outofdate = 1;
 #else
         outofdate = bitmap->flags & BITMAP_STALE;
@@ -1187,7 +1187,7 @@ static int bitmap_start_daemon(struct bitmap *bitmap, mdk_thread_t **ptr,
 
         spin_unlock_irqrestore(&bitmap->lock, flags);
 
-#if INJECT_FATAL_FAULT_2
+#ifdef INJECT_FATAL_FAULT_2
         daemon = NULL;
 #else
         sprintf(namebuf, "%%s_%s", name);
@@ -1345,7 +1345,8 @@ void bitmap_endwrite(struct bitmap *bitmap, sector_t offset, unsigned long secto
         }
 }
 
-int bitmap_start_sync(struct bitmap *bitmap, sector_t offset, int *blocks)
+int bitmap_start_sync(struct bitmap *bitmap, sector_t offset, int *blocks,
+                        int degraded)
 {
         bitmap_counter_t *bmc;
         int rv;
@@ -1362,8 +1363,10 @@ int bitmap_start_sync(struct bitmap *bitmap, sector_t offset, int *blocks)
                         rv = 1;
                 else if (NEEDED(*bmc)) {
                         rv = 1;
-                        *bmc |= RESYNC_MASK;
-                        *bmc &= ~NEEDED_MASK;
+                        if (!degraded) { /* don't set/clear bits if degraded */
+                                *bmc |= RESYNC_MASK;
+                                *bmc &= ~NEEDED_MASK;
+                        }
                 }
         }
         spin_unlock_irq(&bitmap->lock);
@@ -1549,7 +1552,7 @@ int bitmap_create(mddev_t *mddev)
 
         bitmap->syncchunk = ~0UL;
 
-#if INJECT_FATAL_FAULT_1
+#ifdef INJECT_FATAL_FAULT_1
         bitmap->bp = NULL;
 #else
         bitmap->bp = kmalloc(pages * sizeof(*bitmap->bp), GFP_KERNEL);