@@ -1119,6 +1119,9 @@ struct btrfs_block_group_cache {
/* Block group cache stuff */
struct rb_node cache_node;
+
+ /* For dirty block groups */
+ struct list_head dirty_list;
};
struct btrfs_device;
@@ -2814,6 +2814,8 @@ static int read_one_block_group(struct btrfs_fs_info *fs_info,
cache->pinned = 0;
cache->flags = btrfs_block_group_flags(&bgi);
cache->used = btrfs_block_group_used(&bgi);
+ INIT_LIST_HEAD(&cache->dirty_list);
+
if (cache->flags & BTRFS_BLOCK_GROUP_DATA) {
bit = BLOCK_GROUP_DATA;
} else if (cache->flags & BTRFS_BLOCK_GROUP_SYSTEM) {
@@ -2895,6 +2897,7 @@ btrfs_add_block_group(struct btrfs_fs_info *fs_info, u64 bytes_used, u64 type,
cache->key.type = BTRFS_BLOCK_GROUP_ITEM_KEY;
cache->used = bytes_used;
cache->flags = type;
+ INIT_LIST_HEAD(&cache->dirty_list);
exclude_super_stripes(fs_info, cache);
ret = update_space_info(fs_info, cache->flags, size, bytes_used,
@@ -2992,6 +2995,7 @@ int btrfs_make_block_groups(struct btrfs_trans_handle *trans,
cache->key.type = BTRFS_BLOCK_GROUP_ITEM_KEY;
cache->used = 0;
cache->flags = group_type;
+ INIT_LIST_HEAD(&cache->dirty_list);
ret = update_space_info(fs_info, group_type, group_size,
0, &cache->space_info);
@@ -52,6 +52,7 @@ struct btrfs_trans_handle* btrfs_start_transaction(struct btrfs_root *root,
root->last_trans = h->transid;
root->commit_root = root->node;
extent_buffer_get(root->node);
+ INIT_LIST_HEAD(&h->dirty_bgs);
return h;
}
@@ -22,6 +22,7 @@
#include "kerncompat.h"
#include "ctree.h"
#include "delayed-ref.h"
+#include "kernel-lib/list.h"
struct btrfs_trans_handle {
struct btrfs_fs_info *fs_info;
@@ -35,7 +36,7 @@ struct btrfs_trans_handle {
unsigned long blocks_used;
struct btrfs_block_group_cache *block_group;
struct btrfs_delayed_ref_root delayed_refs;
-
+ struct list_head dirty_bgs;
};
struct btrfs_trans_handle* btrfs_start_transaction(struct btrfs_root *root,