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XL/Erasure: Make bit-rot verification based on xl.json algo. (#2299)

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Currently `xl.json` saves algorithm information for bit-rot
verification. Since the bit-rot algo's can change in the
future make sure the erasureReadFile doesn't default to
a particular algo. Instead use the checkSumInfo.
This commit is contained in:
Harshavardhana
2016-07-28 02:20:34 -07:00
committed by GitHub
parent 65f71ce0c5
commit f503ac3db8
11 changed files with 83 additions and 66 deletions
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erasure-createfile.go
+2 -2
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@@ -28,11 +28,11 @@ import (
// erasureCreateFile - writes an entire stream by erasure coding to
// all the disks, writes also calculate individual block's checksum
// for future bit-rot protection.
func erasureCreateFile(disks []StorageAPI, volume, path string, reader io.Reader, blockSize int64, dataBlocks int, parityBlocks int, writeQuorum int) (bytesWritten int64, checkSums []string, err error) {
func erasureCreateFile(disks []StorageAPI, volume, path string, reader io.Reader, blockSize int64, dataBlocks int, parityBlocks int, algo string, writeQuorum int) (bytesWritten int64, checkSums []string, err error) {
// Allocated blockSized buffer for reading.
buf := make([]byte, blockSize)
hashWriters := newHashWriters(len(disks))
hashWriters := newHashWriters(len(disks), algo)
// Read until io.EOF, erasure codes data and writes to all disks.
for {