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swarm/storage: ensure 64bit hasherStore struct alignment (#17766)

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This commit is contained in:
Janoš Guljaš 2018-09-28 20:04:56 +02:00 committed by Felix Lange
parent 7910dd5179
commit 7e1c374dc6
1 changed files with 4 additions and 1 deletions
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5
swarm/storage/hasherstore.go
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@ -32,10 +32,13 @@ type hasherStore struct {
hashFunc SwarmHasher hashFunc SwarmHasher
hashSize int // content hash size hashSize int // content hash size
refSize int64 // reference size (content hash + possibly encryption key) refSize int64 // reference size (content hash + possibly encryption key)
nrChunks uint64 // number of chunks to store
errC chan error // global error channel errC chan error // global error channel
doneC chan struct{} // closed by Close() call to indicate that count is the final number of chunks doneC chan struct{} // closed by Close() call to indicate that count is the final number of chunks
quitC chan struct{} // closed to quit unterminated routines quitC chan struct{} // closed to quit unterminated routines
// nrChunks is used with atomic functions
// it is required to be at the end of the struct to ensure 64bit alignment for arm architecture
// see: https://golang.org/pkg/sync/atomic/#pkg-note-BUG
nrChunks uint64 // number of chunks to store
} }
// NewHasherStore creates a hasherStore object, which implements Putter and Getter interfaces. // NewHasherStore creates a hasherStore object, which implements Putter and Getter interfaces.