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btrfs: add set/get accessors for root_item::drop_level

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The drop_level member is used directly unlike all the other int types in
root_item. Add the definition and use it everywhere. The type is u8 so
there's no conversion necessary and the helpers are properly inlined,
this is for consistency.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba
2020-09-15 21:44:52 +02:00
parent f944d2cb20
commit c842268458
6 changed files with 13 additions and 12 deletions
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10
fs/btrfs/relocation.c
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@@ -783,7 +783,7 @@ static struct btrfs_root *create_reloc_root(struct btrfs_trans_handle *trans,
btrfs_set_root_refs(root_item, 0);
memset(&root_item->drop_progress, 0,
sizeof(struct btrfs_disk_key));
root_item->drop_level = 0;
btrfs_set_root_drop_level(root_item, 0);
}
btrfs_tree_unlock(eb);
@@ -1575,7 +1575,7 @@ static void insert_dirty_subvol(struct btrfs_trans_handle *trans,
reloc_root_item = &reloc_root->root_item;
memset(&reloc_root_item->drop_progress, 0,
sizeof(reloc_root_item->drop_progress));
reloc_root_item->drop_level = 0;
btrfs_set_root_drop_level(reloc_root_item, 0);
btrfs_set_root_refs(reloc_root_item, 0);
btrfs_update_reloc_root(trans, root);
@@ -1672,7 +1672,7 @@ static noinline_for_stack int merge_reloc_root(struct reloc_control *rc,
} else {
btrfs_disk_key_to_cpu(&key, &root_item->drop_progress);
level = root_item->drop_level;
level = btrfs_root_drop_level(root_item);
BUG_ON(level == 0);
path->lowest_level = level;
ret = btrfs_search_slot(NULL, reloc_root, &key, path, 0, 0);
@@ -1769,7 +1769,7 @@ static noinline_for_stack int merge_reloc_root(struct reloc_control *rc,
*/
btrfs_node_key(path->nodes[level], &root_item->drop_progress,
path->slots[level]);
root_item->drop_level = level;
btrfs_set_root_drop_level(root_item, level);
btrfs_end_transaction_throttle(trans);
trans = NULL;
@@ -3694,7 +3694,7 @@ static noinline_for_stack int mark_garbage_root(struct btrfs_root *root)
memset(&root->root_item.drop_progress, 0,
sizeof(root->root_item.drop_progress));
root->root_item.drop_level = 0;
btrfs_set_root_drop_level(&root->root_item, 0);
btrfs_set_root_refs(&root->root_item, 0);
ret = btrfs_update_root(trans, fs_info->tree_root,
&root->root_key, &root->root_item);