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| author | Chris Mason <chris.mason@oracle.com> | 2007-04-26 16:46:15 -0400 |
|---|---|---|
| committer | David Woodhouse <dwmw2@hera.kernel.org> | 2007-04-26 16:46:15 -0400 |
| commit | 9078a3e1e4e489dddc636c7bb8780349d4298743 (patch) | |
| tree | 98597a438d60fc8722c7562b79cecaa303b4721d /fs/btrfs/disk-io.c | |
| parent | f2458e1d8c90958ed3631654cb7fd5ab01478505 (diff) | |
| download | lwn-9078a3e1e4e489dddc636c7bb8780349d4298743.tar.gz lwn-9078a3e1e4e489dddc636c7bb8780349d4298743.zip | |
Btrfs: start of block group code
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/disk-io.c')
| -rw-r--r-- | fs/btrfs/disk-io.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 956727f015a5..1c27eb645510 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -529,6 +529,7 @@ struct btrfs_root *open_ctree(struct super_block *sb) init_bit_radix(&fs_info->pending_del_radix); INIT_RADIX_TREE(&fs_info->fs_roots_radix, GFP_NOFS); INIT_RADIX_TREE(&fs_info->dev_radix, GFP_NOFS); + INIT_RADIX_TREE(&fs_info->block_group_radix, GFP_KERNEL); INIT_LIST_HEAD(&fs_info->trans_list); sb_set_blocksize(sb, 4096); fs_info->running_transaction = NULL; @@ -613,6 +614,8 @@ struct btrfs_root *open_ctree(struct super_block *sb) BTRFS_EXTENT_TREE_OBJECTID, extent_root); BUG_ON(ret); + btrfs_read_block_groups(extent_root); + fs_info->generation = btrfs_super_generation(disk_super) + 1; memset(&fs_info->kobj, 0, sizeof(fs_info->kobj)); kobj_set_kset_s(fs_info, btrfs_subsys); @@ -741,6 +744,7 @@ int close_ctree(struct btrfs_root *root) iput(fs_info->btree_inode); free_dev_radix(fs_info); + btrfs_free_block_groups(root->fs_info); del_fs_roots(fs_info); kfree(fs_info->extent_root); kfree(fs_info->tree_root); |