Btrfs: Add a stripe cache to raid56

[platform/adaptation/renesas_rcar/renesas_kernel.git] / fs / btrfs / ctree.h

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 0cce3aa..e3a4fd7 100644 (file)
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1244,7 +1244,10 @@ struct btrfs_stripe_hash {
 
 /* used by the raid56 code to lock stripes for read/modify/write */
 struct btrfs_stripe_hash_table {
-       struct btrfs_stripe_hash *table;
+       struct list_head stripe_cache;
+       spinlock_t cache_lock;
+       int cache_size;
+       struct btrfs_stripe_hash table[];
 };
 
 #define BTRFS_STRIPE_HASH_TABLE_BITS 11