Displaying 4 results from an estimated 4 matches for "cluster_list".
2011 Feb 07
1
Creating a list of lists / hclust elements
Dear group,
I am currently struggling with the following problem for a while:
I want to create a list whose elements consists of lists themselves.
More concise: The list elements are HCLUST objects. However, when I
try to append the HCLUST objects to my list via:
cluster_list <- append(cluster_list, HCLUSTobject)
the HCLUST object is appended - but not as an object but as its
components. So cluster_list[[1]] will not return the HCLUST object,
but the first element of the first cluster object. So the list is
appended to the list, but instead of appending "the ob...
2011 Mar 31
4
[PATCH] Btrfs: fix free space cache when there are pinned extents and clusters
...e = false;
root = root->fs_info->tree_root;
@@ -551,6 +568,18 @@ int btrfs_write_out_cache(struct btrfs_root *root,
*/
first_page_offset = (sizeof(u32) * num_checksums) + sizeof(u64);
+ /* Get the cluster for this block_group if it exists */
+ if (!list_empty(&block_group->cluster_list))
+ cluster = list_entry(block_group->cluster_list.next,
+ struct btrfs_free_cluster,
+ block_group_list);
+
+ /*
+ * We shouldn''t have switched the pinned extents yet so this is the
+ * right one
+ */
+ unpin = root->fs_info->pinned_extents;
+
/*
* Lock a...
2013 Mar 15
0
[PATCH] Btrfs: add some free space cache tests
...(cache);
+ return NULL;
+ }
+
+ cache->key.objectid = 0;
+ cache->key.offset = 1024 * 1024 * 1024;
+ cache->key.type = BTRFS_BLOCK_GROUP_ITEM_KEY;
+ cache->sectorsize = 4096;
+
+ spin_lock_init(&cache->lock);
+ INIT_LIST_HEAD(&cache->list);
+ INIT_LIST_HEAD(&cache->cluster_list);
+ INIT_LIST_HEAD(&cache->new_bg_list);
+
+ btrfs_init_free_space_ctl(cache);
+
+ return cache;
+}
+
+/*
+ * Checks to see if the given range is in the free space cache. This is really
+ * just used to check the absence of space, so if there is free space in the
+ * range at all we will re...
2012 Jan 11
12
[PATCH 00/11] Btrfs: some patches for 3.3
The biggest one is a fix for fstrim, and there''s a fix for on-disk
free space cache. Others are small fixes and cleanups.
The last three have been sent weeks ago.
The patchset is also available in this repo:
git://repo.or.cz/linux-btrfs-devel.git for-chris
Note there''s a small confict with Al Viro''s vfs changes.
Li Zefan (11):
Btrfs: add pinned extents to