github.com/pingcap/badger@v1.5.1-0.20230103063557-828f39b09b6d/directio/proxy.go (about)

     1  // Copyright 2022 PingCAP, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  // directio is a proxy package for github.com/pingcap/badger/directio
    16  package directio
    17  
    18  import (
    19  	"github.com/ncw/directio"
    20  )
    21  
    22  const (
    23  	// AlignSize is the size to align the buffer to
    24  	AlignSize = directio.AlignSize
    25  	// BlockSize is the minimum block size
    26  	BlockSize = directio.BlockSize
    27  )
    28  
    29  // AlignedBlock returns []byte of size BlockSize aligned to a multiple
    30  // of AlignSize in memory (must be power of two)
    31  var AlignedBlock = directio.AlignedBlock