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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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6
fs/btrfs/extent-tree.c
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@@ -5496,7 +5496,7 @@ int btrfs_drop_snapshot(struct btrfs_root *root, int update_ref, int for_reloc)
memcpy(&wc->update_progress, &key,
sizeof(wc->update_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, root, &key, path, 0, 0);
@@ -5529,7 +5529,7 @@ int btrfs_drop_snapshot(struct btrfs_root *root, int update_ref, int for_reloc)
}
BUG_ON(wc->refs[level] == 0);
if (level == root_item->drop_level)
if (level == btrfs_root_drop_level(root_item))
break;
btrfs_tree_unlock(path->nodes[level]);
@@ -5574,7 +5574,7 @@ int btrfs_drop_snapshot(struct btrfs_root *root, int update_ref, int for_reloc)
}
btrfs_cpu_key_to_disk(&root_item->drop_progress,
&wc->drop_progress);
root_item->drop_level = wc->drop_level;
btrfs_set_root_drop_level(root_item, wc->drop_level);
BUG_ON(wc->level == 0);
if (btrfs_should_end_transaction(trans) ||