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Diffstat (limited to 'fs/btrfs/extent-tree.c')
-rw-r--r--fs/btrfs/extent-tree.c25
1 files changed, 24 insertions, 1 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 62a332d34fd..98697be6bdd 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3649,7 +3649,6 @@ refill_cluster:
goto loop;
checks:
search_start = stripe_align(root, offset);
-
/* move on to the next group */
if (search_start + num_bytes >= search_end) {
btrfs_add_free_space(block_group, offset, num_bytes);
@@ -7040,6 +7039,16 @@ int btrfs_read_block_groups(struct btrfs_root *root)
mutex_init(&cache->cache_mutex);
INIT_LIST_HEAD(&cache->list);
INIT_LIST_HEAD(&cache->cluster_list);
+ cache->sectorsize = root->sectorsize;
+
+ /*
+ * we only want to have 32k of ram per block group for keeping
+ * track of free space, and if we pass 1/2 of that we want to
+ * start converting things over to using bitmaps
+ */
+ cache->extents_thresh = ((1024 * 32) / 2) /
+ sizeof(struct btrfs_free_space);
+
read_extent_buffer(leaf, &cache->item,
btrfs_item_ptr_offset(leaf, path->slots[0]),
sizeof(cache->item));
@@ -7091,6 +7100,15 @@ int btrfs_make_block_group(struct btrfs_trans_handle *trans,
cache->key.objectid = chunk_offset;
cache->key.offset = size;
cache->key.type = BTRFS_BLOCK_GROUP_ITEM_KEY;
+ cache->sectorsize = root->sectorsize;
+
+ /*
+ * we only want to have 32k of ram per block group for keeping track
+ * of free space, and if we pass 1/2 of that we want to start
+ * converting things over to using bitmaps
+ */
+ cache->extents_thresh = ((1024 * 32) / 2) /
+ sizeof(struct btrfs_free_space);
atomic_set(&cache->count, 1);
spin_lock_init(&cache->lock);
spin_lock_init(&cache->tree_lock);
@@ -7103,6 +7121,11 @@ int btrfs_make_block_group(struct btrfs_trans_handle *trans,
cache->flags = type;
btrfs_set_block_group_flags(&cache->item, type);
+ cache->cached = 1;
+ ret = btrfs_add_free_space(cache, chunk_offset, size);
+ BUG_ON(ret);
+ remove_sb_from_cache(root, cache);
+
ret = update_space_info(root->fs_info, cache->flags, size, bytes_used,
&cache->space_info);
BUG_ON(ret);