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don't resolve children unnecessarily when listing a sharded directory

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We only need to get the child if it's a shard.

License: MIT
Signed-off-by: Steven Allen <steven@stebalien.com>
This commit is contained in:
Steven Allen
2018-03-27 15:01:32 -07:00
parent 3cc4658af1
commit e06436d090
1 changed files with 5 additions and 5 deletions
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10
unixfs/hamt/hamt.go
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@ -289,13 +289,13 @@ func (ds *Shard) loadChild(ctx context.Context, i int) (child, error) {
return nil, fmt.Errorf("invalid link name '%s'", lnk.Name)
}
nd, err := lnk.GetNode(ctx, ds.dserv)
if err != nil {
return nil, err
}
var c child
if len(lnk.Name) == ds.maxpadlen {
nd, err := lnk.GetNode(ctx, ds.dserv)
if err != nil {
return nil, err
}
pbnd, ok := nd.(*dag.ProtoNode)
if !ok {
return nil, dag.ErrNotProtobuf