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path: root/fs/btrfs/free-space-tree.c
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Diffstat (limited to 'fs/btrfs/free-space-tree.c')
-rw-r--r--fs/btrfs/free-space-tree.c77
1 files changed, 45 insertions, 32 deletions
diff --git a/fs/btrfs/free-space-tree.c b/fs/btrfs/free-space-tree.c
index 7b598b070700..cae540ec15ed 100644
--- a/fs/btrfs/free-space-tree.c
+++ b/fs/btrfs/free-space-tree.c
@@ -89,7 +89,6 @@ static int add_new_free_space_info(struct btrfs_trans_handle *trans,
struct btrfs_free_space_info);
btrfs_set_free_space_extent_count(leaf, info, 0);
btrfs_set_free_space_flags(leaf, info, 0);
- btrfs_mark_buffer_dirty(trans, leaf);
ret = 0;
out:
@@ -287,7 +286,6 @@ int convert_free_space_to_bitmaps(struct btrfs_trans_handle *trans,
flags |= BTRFS_FREE_SPACE_USING_BITMAPS;
btrfs_set_free_space_flags(leaf, info, flags);
expected_extent_count = btrfs_free_space_extent_count(leaf, info);
- btrfs_mark_buffer_dirty(trans, leaf);
btrfs_release_path(path);
if (extent_count != expected_extent_count) {
@@ -324,7 +322,6 @@ int convert_free_space_to_bitmaps(struct btrfs_trans_handle *trans,
ptr = btrfs_item_ptr_offset(leaf, path->slots[0]);
write_extent_buffer(leaf, bitmap_cursor, ptr,
data_size);
- btrfs_mark_buffer_dirty(trans, leaf);
btrfs_release_path(path);
i += extent_size;
@@ -430,7 +427,6 @@ int convert_free_space_to_extents(struct btrfs_trans_handle *trans,
flags &= ~BTRFS_FREE_SPACE_USING_BITMAPS;
btrfs_set_free_space_flags(leaf, info, flags);
expected_extent_count = btrfs_free_space_extent_count(leaf, info);
- btrfs_mark_buffer_dirty(trans, leaf);
btrfs_release_path(path);
nrbits = block_group->length >> block_group->fs_info->sectorsize_bits;
@@ -495,7 +491,6 @@ static int update_free_space_extent_count(struct btrfs_trans_handle *trans,
extent_count += new_extents;
btrfs_set_free_space_extent_count(path->nodes[0], info, extent_count);
- btrfs_mark_buffer_dirty(trans, path->nodes[0]);
btrfs_release_path(path);
if (!(flags & BTRFS_FREE_SPACE_USING_BITMAPS) &&
@@ -1176,12 +1171,16 @@ int btrfs_create_free_space_tree(struct btrfs_fs_info *fs_info)
BTRFS_FREE_SPACE_TREE_OBJECTID);
if (IS_ERR(free_space_root)) {
ret = PTR_ERR(free_space_root);
- goto abort;
+ btrfs_abort_transaction(trans, ret);
+ btrfs_end_transaction(trans);
+ goto out_clear;
}
ret = btrfs_global_root_insert(free_space_root);
if (ret) {
btrfs_put_root(free_space_root);
- goto abort;
+ btrfs_abort_transaction(trans, ret);
+ btrfs_end_transaction(trans);
+ goto out_clear;
}
node = rb_first_cached(&fs_info->block_group_cache_tree);
@@ -1189,8 +1188,11 @@ int btrfs_create_free_space_tree(struct btrfs_fs_info *fs_info)
block_group = rb_entry(node, struct btrfs_block_group,
cache_node);
ret = populate_free_space_tree(trans, block_group);
- if (ret)
- goto abort;
+ if (ret) {
+ btrfs_abort_transaction(trans, ret);
+ btrfs_end_transaction(trans);
+ goto out_clear;
+ }
node = rb_next(node);
}
@@ -1206,11 +1208,9 @@ int btrfs_create_free_space_tree(struct btrfs_fs_info *fs_info)
clear_bit(BTRFS_FS_FREE_SPACE_TREE_UNTRUSTED, &fs_info->flags);
return ret;
-abort:
+out_clear:
clear_bit(BTRFS_FS_CREATING_FREE_SPACE_TREE, &fs_info->flags);
clear_bit(BTRFS_FS_FREE_SPACE_TREE_UNTRUSTED, &fs_info->flags);
- btrfs_abort_transaction(trans, ret);
- btrfs_end_transaction(trans);
return ret;
}
@@ -1273,12 +1273,18 @@ int btrfs_delete_free_space_tree(struct btrfs_fs_info *fs_info)
btrfs_clear_fs_compat_ro(fs_info, FREE_SPACE_TREE_VALID);
ret = clear_free_space_tree(trans, free_space_root);
- if (ret)
- goto abort;
+ if (ret) {
+ btrfs_abort_transaction(trans, ret);
+ btrfs_end_transaction(trans);
+ return ret;
+ }
ret = btrfs_del_root(trans, &free_space_root->root_key);
- if (ret)
- goto abort;
+ if (ret) {
+ btrfs_abort_transaction(trans, ret);
+ btrfs_end_transaction(trans);
+ return ret;
+ }
btrfs_global_root_delete(free_space_root);
@@ -1289,17 +1295,16 @@ int btrfs_delete_free_space_tree(struct btrfs_fs_info *fs_info)
btrfs_tree_lock(free_space_root->node);
btrfs_clear_buffer_dirty(trans, free_space_root->node);
btrfs_tree_unlock(free_space_root->node);
- btrfs_free_tree_block(trans, btrfs_root_id(free_space_root),
- free_space_root->node, 0, 1);
-
+ ret = btrfs_free_tree_block(trans, btrfs_root_id(free_space_root),
+ free_space_root->node, 0, 1);
btrfs_put_root(free_space_root);
+ if (ret < 0) {
+ btrfs_abort_transaction(trans, ret);
+ btrfs_end_transaction(trans);
+ return ret;
+ }
return btrfs_commit_transaction(trans);
-
-abort:
- btrfs_abort_transaction(trans, ret);
- btrfs_end_transaction(trans);
- return ret;
}
int btrfs_rebuild_free_space_tree(struct btrfs_fs_info *fs_info)
@@ -1322,8 +1327,11 @@ int btrfs_rebuild_free_space_tree(struct btrfs_fs_info *fs_info)
set_bit(BTRFS_FS_FREE_SPACE_TREE_UNTRUSTED, &fs_info->flags);
ret = clear_free_space_tree(trans, free_space_root);
- if (ret)
- goto abort;
+ if (ret) {
+ btrfs_abort_transaction(trans, ret);
+ btrfs_end_transaction(trans);
+ return ret;
+ }
node = rb_first_cached(&fs_info->block_group_cache_tree);
while (node) {
@@ -1332,8 +1340,17 @@ int btrfs_rebuild_free_space_tree(struct btrfs_fs_info *fs_info)
block_group = rb_entry(node, struct btrfs_block_group,
cache_node);
ret = populate_free_space_tree(trans, block_group);
- if (ret)
- goto abort;
+ if (ret) {
+ btrfs_abort_transaction(trans, ret);
+ btrfs_end_transaction(trans);
+ return ret;
+ }
+ if (btrfs_should_end_transaction(trans)) {
+ btrfs_end_transaction(trans);
+ trans = btrfs_start_transaction(free_space_root, 1);
+ if (IS_ERR(trans))
+ return PTR_ERR(trans);
+ }
node = rb_next(node);
}
@@ -1344,10 +1361,6 @@ int btrfs_rebuild_free_space_tree(struct btrfs_fs_info *fs_info)
ret = btrfs_commit_transaction(trans);
clear_bit(BTRFS_FS_FREE_SPACE_TREE_UNTRUSTED, &fs_info->flags);
return ret;
-abort:
- btrfs_abort_transaction(trans, ret);
- btrfs_end_transaction(trans);
- return ret;
}
static int __add_block_group_free_space(struct btrfs_trans_handle *trans,