Btrfs: add a new "type" field into the block reservation structure

[linux-2.6-block.git] / fs / btrfs / ctree.h

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index b7cd3adb5a58d6cc3ef4ed768fe03097f45b8f05..2990a7ea62483eaf08494ede2139a0c8d4d71523 100644 (file)
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1028,13 +1028,22 @@ struct btrfs_space_info {
        wait_queue_head_t wait;
 };
 
+#define        BTRFS_BLOCK_RSV_GLOBAL          1
+#define        BTRFS_BLOCK_RSV_DELALLOC        2
+#define        BTRFS_BLOCK_RSV_TRANS           3
+#define        BTRFS_BLOCK_RSV_CHUNK           4
+#define        BTRFS_BLOCK_RSV_DELOPS          5
+#define        BTRFS_BLOCK_RSV_EMPTY           6
+#define        BTRFS_BLOCK_RSV_TEMP            7
+
 struct btrfs_block_rsv {
        u64 size;
        u64 reserved;
        struct btrfs_space_info *space_info;
        spinlock_t lock;
-       unsigned int full;
-       unsigned int failfast;
+       unsigned short full;
+       unsigned short type;
+       unsigned short failfast;
 };
 
 /*
@@ -2875,8 +2884,9 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes);
 void btrfs_delalloc_release_metadata(struct inode *inode, u64 num_bytes);
 int btrfs_delalloc_reserve_space(struct inode *inode, u64 num_bytes);
 void btrfs_delalloc_release_space(struct inode *inode, u64 num_bytes);
-void btrfs_init_block_rsv(struct btrfs_block_rsv *rsv);
-struct btrfs_block_rsv *btrfs_alloc_block_rsv(struct btrfs_root *root);
+void btrfs_init_block_rsv(struct btrfs_block_rsv *rsv, unsigned short type);
+struct btrfs_block_rsv *btrfs_alloc_block_rsv(struct btrfs_root *root,
+                                             unsigned short type);
 void btrfs_free_block_rsv(struct btrfs_root *root,
                          struct btrfs_block_rsv *rsv);
 int btrfs_block_rsv_add(struct btrfs_root *root,