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-rw-r--r--include/linux/raid/raid5.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/raid/raid5.h b/include/linux/raid/raid5.h
index 94dbdd406f12..b7b2653af7bb 100644
--- a/include/linux/raid/raid5.h
+++ b/include/linux/raid/raid5.h
@@ -216,7 +216,11 @@ struct raid5_private_data {
struct list_head bitmap_list; /* stripes delaying awaiting bitmap update */
atomic_t preread_active_stripes; /* stripes with scheduled io */
- char cache_name[20];
+ /* unfortunately we need two cache names as we temporarily have
+ * two caches.
+ */
+ int active_name;
+ char cache_name[2][20];
kmem_cache_t *slab_cache; /* for allocating stripes */
int seq_flush, seq_write;
@@ -238,7 +242,8 @@ struct raid5_private_data {
wait_queue_head_t wait_for_overlap;
int inactive_blocked; /* release of inactive stripes blocked,
* waiting for 25% to be free
- */
+ */
+ int pool_size; /* number of disks in stripeheads in pool */
spinlock_t device_lock;
struct disk_info *disks;
};