diff options
Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 09eeeb4d9d2..9bc4ad38876 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -134,6 +134,8 @@ static int finish_current_insert(struct btrfs_trans_handle *trans, struct struct btrfs_extent_item extent_item; int i; int ret; + u64 super_blocks_used; + struct btrfs_fs_info *info = extent_root->fs_info; btrfs_set_extent_refs(&extent_item, 1); btrfs_set_extent_owner(&extent_item, @@ -145,6 +147,9 @@ static int finish_current_insert(struct btrfs_trans_handle *trans, struct for (i = 0; i < extent_root->fs_info->current_insert.flags; i++) { ins.objectid = extent_root->fs_info->current_insert.objectid + i; + super_blocks_used = btrfs_super_blocks_used(info->disk_super); + btrfs_set_super_blocks_used(info->disk_super, + super_blocks_used + 1); ret = btrfs_insert_item(trans, extent_root, &ins, &extent_item, sizeof(extent_item)); BUG_ON(ret); @@ -161,7 +166,8 @@ static int __free_extent(struct btrfs_trans_handle *trans, struct btrfs_root { struct btrfs_path path; struct btrfs_key key; - struct btrfs_root *extent_root = root->fs_info->extent_root; + struct btrfs_fs_info *info = root->fs_info; + struct btrfs_root *extent_root = info->extent_root; int ret; struct btrfs_extent_item *ei; struct btrfs_key ins; @@ -188,15 +194,18 @@ static int __free_extent(struct btrfs_trans_handle *trans, struct btrfs_root refs = btrfs_extent_refs(ei) - 1; btrfs_set_extent_refs(ei, refs); if (refs == 0) { + u64 super_blocks_used; if (pin) { int err; radix_tree_preload(GFP_KERNEL); - err = radix_tree_insert( - &extent_root->fs_info->pinned_radix, - blocknr, (void *)blocknr); + err = radix_tree_insert(&info->pinned_radix, + blocknr, (void *)blocknr); BUG_ON(err); radix_tree_preload_end(); } + super_blocks_used = btrfs_super_blocks_used(info->disk_super); + btrfs_set_super_blocks_used(info->disk_super, + super_blocks_used - num_blocks); ret = btrfs_del_item(trans, extent_root, &path); if (!pin && extent_root->fs_info->last_insert.objectid > blocknr) @@ -392,7 +401,9 @@ static int alloc_extent(struct btrfs_trans_handle *trans, struct btrfs_root { int ret; int pending_ret; - struct btrfs_root *extent_root = root->fs_info->extent_root; + u64 super_blocks_used; + struct btrfs_fs_info *info = root->fs_info; + struct btrfs_root *extent_root = info->extent_root; struct btrfs_extent_item extent_item; btrfs_set_extent_refs(&extent_item, 1); @@ -413,6 +424,9 @@ static int alloc_extent(struct btrfs_trans_handle *trans, struct btrfs_root if (ret) return ret; + super_blocks_used = btrfs_super_blocks_used(info->disk_super); + btrfs_set_super_blocks_used(info->disk_super, super_blocks_used + + num_blocks); ret = btrfs_insert_item(trans, extent_root, ins, &extent_item, sizeof(extent_item)); |