diff options
author | Chris Mason <clm@fb.com> | 2015-12-18 19:11:10 (GMT) |
---|---|---|
committer | Chris Mason <clm@fb.com> | 2015-12-18 19:11:10 (GMT) |
commit | f7d3d2f99eeaa9f5c111965b1516972f4fc5e449 (patch) | |
tree | 2ad3d4d98af789fd807795a9683ce4904b3c4182 /fs/btrfs/tests/btrfs-tests.c | |
parent | 9f9499ae8e6415cefc4fe0a96ad0e27864353c89 (diff) | |
parent | 70f6d82ec73c3ae2d3adc6853c5bebcd73610097 (diff) | |
download | linux-f7d3d2f99eeaa9f5c111965b1516972f4fc5e449.tar.xz |
Merge branch 'freespace-tree' into for-linus-4.5
Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs/btrfs/tests/btrfs-tests.c')
-rw-r--r-- | fs/btrfs/tests/btrfs-tests.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/fs/btrfs/tests/btrfs-tests.c b/fs/btrfs/tests/btrfs-tests.c index 9626252..b1d920b 100644 --- a/fs/btrfs/tests/btrfs-tests.c +++ b/fs/btrfs/tests/btrfs-tests.c @@ -21,6 +21,9 @@ #include <linux/magic.h> #include "btrfs-tests.h" #include "../ctree.h" +#include "../free-space-cache.h" +#include "../free-space-tree.h" +#include "../transaction.h" #include "../volumes.h" #include "../disk-io.h" #include "../qgroup.h" @@ -122,6 +125,9 @@ struct btrfs_fs_info *btrfs_alloc_dummy_fs_info(void) INIT_LIST_HEAD(&fs_info->tree_mod_seq_list); INIT_RADIX_TREE(&fs_info->buffer_radix, GFP_ATOMIC); INIT_RADIX_TREE(&fs_info->fs_roots_radix, GFP_ATOMIC); + extent_io_tree_init(&fs_info->freed_extents[0], NULL); + extent_io_tree_init(&fs_info->freed_extents[1], NULL); + fs_info->pinned_extents = &fs_info->freed_extents[0]; return fs_info; } @@ -169,3 +175,55 @@ void btrfs_free_dummy_root(struct btrfs_root *root) kfree(root); } +struct btrfs_block_group_cache * +btrfs_alloc_dummy_block_group(unsigned long length) +{ + struct btrfs_block_group_cache *cache; + + cache = kzalloc(sizeof(*cache), GFP_NOFS); + if (!cache) + return NULL; + cache->free_space_ctl = kzalloc(sizeof(*cache->free_space_ctl), + GFP_NOFS); + if (!cache->free_space_ctl) { + kfree(cache); + return NULL; + } + cache->fs_info = btrfs_alloc_dummy_fs_info(); + if (!cache->fs_info) { + kfree(cache->free_space_ctl); + kfree(cache); + return NULL; + } + + cache->key.objectid = 0; + cache->key.offset = length; + cache->key.type = BTRFS_BLOCK_GROUP_ITEM_KEY; + cache->sectorsize = 4096; + cache->full_stripe_len = 4096; + + INIT_LIST_HEAD(&cache->list); + INIT_LIST_HEAD(&cache->cluster_list); + INIT_LIST_HEAD(&cache->bg_list); + btrfs_init_free_space_ctl(cache); + mutex_init(&cache->free_space_lock); + + return cache; +} + +void btrfs_free_dummy_block_group(struct btrfs_block_group_cache *cache) +{ + if (!cache) + return; + __btrfs_remove_free_space_cache(cache->free_space_ctl); + kfree(cache->free_space_ctl); + kfree(cache); +} + +void btrfs_init_dummy_trans(struct btrfs_trans_handle *trans) +{ + memset(trans, 0, sizeof(*trans)); + trans->transid = 1; + INIT_LIST_HEAD(&trans->qgroup_ref_list); + trans->type = __TRANS_DUMMY; +} |