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[#176] blobstor: Fix maximum tree depth

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Correct the calculation of maximum value of fs tree depth. Fix check
of the max depth overflow in WithShallowDepth function.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
This commit is contained in:
Leonard Lyubich 2020-11-18 14:48:47 +03:00 committed by Alex Vanin
parent f7116f27ec
commit 86385af67d
2 changed files with 2 additions and 2 deletions
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2
pkg/local_object_storage/blobstor/blobstor.go
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@ -61,7 +61,7 @@ func New(opts ...Option) *BlobStor {
// Depth is reduced to maximum value in case of overflow. // Depth is reduced to maximum value in case of overflow.
func WithShallowDepth(depth int) Option { func WithShallowDepth(depth int) Option {
return func(c *cfg) { return func(c *cfg) {
if depth <= maxDepth { if depth > maxDepth {
depth = maxDepth depth = maxDepth
} }

2
pkg/local_object_storage/blobstor/fstree.go
View file

@ -22,7 +22,7 @@ type fsTree struct {
const dirNameLen = 2 // in bytes const dirNameLen = 2 // in bytes
var maxDepth = (hex.EncodedLen(sha256.Size) - 1) / dirNameLen var maxDepth = (sha256.Size - 1) / dirNameLen
var errFileNotFound = errors.New("file not found") var errFileNotFound = errors.New("file not found")