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-rw-r--r--fs/btrfs/block-group.c38
1 files changed, 17 insertions, 21 deletions
diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c
index 5fa6b3d540f4..b8fbee70a897 100644
--- a/fs/btrfs/block-group.c
+++ b/fs/btrfs/block-group.c
@@ -1810,24 +1810,8 @@ static int check_chunk_block_group_mappings(struct btrfs_fs_info *fs_info)
return ret;
}
-static void read_block_group_item(struct btrfs_block_group *cache,
- struct btrfs_path *path,
- const struct btrfs_key *key)
-{
- struct extent_buffer *leaf = path->nodes[0];
- struct btrfs_block_group_item bgi;
- int slot = path->slots[0];
-
- cache->length = key->offset;
-
- read_extent_buffer(leaf, &bgi, btrfs_item_ptr_offset(leaf, slot),
- sizeof(bgi));
- cache->used = btrfs_stack_block_group_used(&bgi);
- cache->flags = btrfs_stack_block_group_flags(&bgi);
-}
-
static int read_one_block_group(struct btrfs_fs_info *info,
- struct btrfs_path *path,
+ struct btrfs_block_group_item *bgi,
const struct btrfs_key *key,
int need_clear)
{
@@ -1842,7 +1826,9 @@ static int read_one_block_group(struct btrfs_fs_info *info,
if (!cache)
return -ENOMEM;
- read_block_group_item(cache, path, key);
+ cache->length = key->offset;
+ cache->used = btrfs_stack_block_group_used(bgi);
+ cache->flags = btrfs_stack_block_group_flags(bgi);
set_free_space_tree_thresholds(cache);
@@ -2001,19 +1987,29 @@ int btrfs_read_block_groups(struct btrfs_fs_info *info)
need_clear = 1;
while (1) {
+ struct btrfs_block_group_item bgi;
+ struct extent_buffer *leaf;
+ int slot;
+
ret = find_first_block_group(info, path, &key);
if (ret > 0)
break;
if (ret != 0)
goto error;
- btrfs_item_key_to_cpu(path->nodes[0], &key, path->slots[0]);
- ret = read_one_block_group(info, path, &key, need_clear);
+ leaf = path->nodes[0];
+ slot = path->slots[0];
+
+ read_extent_buffer(leaf, &bgi, btrfs_item_ptr_offset(leaf, slot),
+ sizeof(bgi));
+
+ btrfs_item_key_to_cpu(leaf, &key, slot);
+ btrfs_release_path(path);
+ ret = read_one_block_group(info, &bgi, &key, need_clear);
if (ret < 0)
goto error;
key.objectid += key.offset;
key.offset = 0;
- btrfs_release_path(path);
}
btrfs_release_path(path);