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xl: add quorum support for create file

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This commit is contained in:
Bala FA
2016-04-20 22:44:30 +05:30
committed by Harshavardhana
parent 141a44bfbf
commit 45b3d3e21f
2 changed files with 67 additions and 24 deletions
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xl-v1-readfile.go
+3 -4
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@@ -82,10 +82,9 @@ type quorumDisk struct {
index int
}
// getReadFileQuorumDisks - get the current quorum disks.
func (xl XL) getReadFileQuorumDisks(volume, path string) (quorumDisks []quorumDisk) {
// getQuorumDisks - get the current quorum disks.
func (xl XL) getQuorumDisks(volume, path string) (quorumDisks []quorumDisk, higherVersion int64) {
diskVersionMap := xl.getMetaFileVersionMap(volume, path)
higherVersion := int64(0)
for diskIndex, formatVersion := range diskVersionMap {
if formatVersion > higherVersion {
higherVersion = formatVersion
@@ -142,7 +141,7 @@ func (xl XL) ReadFile(volume, path string, offset int64) (io.ReadCloser, error)
defer xl.unlockNS(volume, path, readLock)
// Check read quorum.
quorumDisks := xl.getReadFileQuorumDisks(volume, path)
quorumDisks, _ := xl.getQuorumDisks(volume, path)
if len(quorumDisks) < xl.readQuorum {
return nil, errReadQuorum
}