1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 7878712721bf..b6907118283a 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1106,10 +1106,12 @@ void bitmap_write_all(struct bitmap *bitmap)
          */
         int i;
 
+        spin_lock_irq(&bitmap->lock);
         for (i = 0; i < bitmap->file_pages; i++)
                 set_page_attr(bitmap, bitmap->filemap[i],
                               BITMAP_PAGE_NEEDWRITE);
         bitmap->allclean = 0;
+        spin_unlock_irq(&bitmap->lock);
 }
 
 static void bitmap_count_page(struct bitmap *bitmap, sector_t offset, int inc)
@@ -1605,7 +1607,9 @@ void bitmap_dirty_bits(struct bitmap *bitmap, unsigned long s, unsigned long e)
         for (chunk = s; chunk <= e; chunk++) {
                 sector_t sec = (sector_t)chunk << CHUNK_BLOCK_SHIFT(bitmap);
                 bitmap_set_memory_bits(bitmap, sec, 1);
+                spin_lock_irq(&bitmap->lock);
                 bitmap_file_set_bit(bitmap, sec);
+                spin_unlock_irq(&bitmap->lock);
                 if (sec < bitmap->mddev->recovery_cp)
                         /* We are asserting that the array is dirty,
                          * so move the recovery_cp address back so