@@ -547,7 +547,7 @@ static struct btrfs_space_info *__find_space_info(struct btrfs_fs_info *info,
rcu_read_lock();
list_for_each_entry_rcu(found, head, list) {
- if (found->flags == flags) {
+ if (found->flags & flags) {
rcu_read_unlock();
return found;
}
@@ -3267,6 +3267,13 @@ static int do_chunk_alloc(struct btrfs_trans_handle *trans,
spin_unlock(&space_info->lock);
/*
+ * If we have mixed data/metadata chunks we want to make sure we keep
+ * allocating mixed chunks instead of individual chunks.
+ */
+ if (space_info->flags != flags)
+ flags = space_info->flags;
+
+ /*
* if we're doing a data chunk, go ahead and make sure that
* we keep a reasonable number of metadata chunks allocated in the
* FS as well.
@@ -4793,6 +4800,7 @@ static noinline int find_free_extent(struct btrfs_trans_handle *trans,
bool found_uncached_bg = false;
bool failed_cluster_refill = false;
bool failed_alloc = false;
+ bool use_cluster = true;
u64 ideal_cache_percent = 0;
u64 ideal_cache_offset = 0;
@@ -4807,16 +4815,26 @@ static noinline int find_free_extent(struct btrfs_trans_handle *trans,
return -ENOSPC;
}
+ /*
+ * If the space info is for both data and metadata it means we have a
+ * small filesystem and we can't use the clustering stuff.
+ */
+ if ((space_info->flags & (BTRFS_BLOCK_GROUP_METADATA |
+ BTRFS_BLOCK_GROUP_DATA)) ==
+ ((BTRFS_BLOCK_GROUP_METADATA | BTRFS_BLOCK_GROUP_DATA)))
+ use_cluster = false;
+
if (orig_root->ref_cows || empty_size)
allowed_chunk_alloc = 1;
- if (data & BTRFS_BLOCK_GROUP_METADATA) {
+ if (data & BTRFS_BLOCK_GROUP_METADATA && use_cluster) {
last_ptr = &root->fs_info->meta_alloc_cluster;
if (!btrfs_test_opt(root, SSD))
empty_cluster = 64 * 1024;
}
- if ((data & BTRFS_BLOCK_GROUP_DATA) && btrfs_test_opt(root, SSD)) {
+ if ((data & BTRFS_BLOCK_GROUP_DATA) && use_cluster &&
+ btrfs_test_opt(root, SSD)) {
last_ptr = &root->fs_info->data_alloc_cluster;
}