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union: propagate SlowHash feature

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Lesmiscore 2022-10-10 12:18:54 +09:00 committed by Nick Craig-Wood
parent 9bf78d0373
commit 6654b66114
1 changed files with 5 additions and 1 deletions
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6
backend/union/union.go
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@ -894,18 +894,22 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
WriteMetadata: true, WriteMetadata: true,
UserMetadata: true, UserMetadata: true,
}).Fill(ctx, f) }).Fill(ctx, f)
canMove := true canMove, slowHash := true, false
for _, f := range upstreams { for _, f := range upstreams {
features = features.Mask(ctx, f) // Mask all upstream fs features = features.Mask(ctx, f) // Mask all upstream fs
if !operations.CanServerSideMove(f) { if !operations.CanServerSideMove(f) {
canMove = false canMove = false
} }
slowHash = slowHash || f.Features().SlowHash
} }
// We can move if all remotes support Move or Copy // We can move if all remotes support Move or Copy
if canMove { if canMove {
features.Move = f.Move features.Move = f.Move
} }
// If any of upstreams are SlowHash, propagate it
features.SlowHash = slowHash
// Enable ListR when upstreams either support ListR or is local // Enable ListR when upstreams either support ListR or is local
// But not when all upstreams are local // But not when all upstreams are local
if features.ListR == nil { if features.ListR == nil {