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XL: Change AppendFile() to return only error (#1932)

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AppendFile ensures that it appends the entire buffer. Returns
an error otherwise, this patch removes the necessity for the
caller to look for 'n' return on short writes.

Ref #1893
This commit is contained in:
Harshavardhana
2016-06-19 15:31:13 -07:00
committed by Anand Babu (AB) Periasamy
parent e1aad066c6
commit 50d25ca94a
11 changed files with 35 additions and 87 deletions
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fs-v1.go
+2 -5
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@@ -270,7 +270,7 @@ func (fs fsObjects) PutObject(bucket string, object string, size int64, data io.
if size == 0 {
// For size 0 we write a 0byte file.
_, err := fs.storage.AppendFile(minioMetaBucket, tempObj, []byte(""))
err := fs.storage.AppendFile(minioMetaBucket, tempObj, []byte(""))
if err != nil {
return "", toObjectErr(err, bucket, object)
}
@@ -287,13 +287,10 @@ func (fs fsObjects) PutObject(bucket string, object string, size int64, data io.
if n > 0 {
// Update md5 writer.
md5Writer.Write(buf[:n])
m, wErr := fs.storage.AppendFile(minioMetaBucket, tempObj, buf[:n])
wErr := fs.storage.AppendFile(minioMetaBucket, tempObj, buf[:n])
if wErr != nil {
return "", toObjectErr(wErr, bucket, object)
}
if m != int64(n) {
return "", toObjectErr(errUnexpected, bucket, object)
}
}
if rErr == io.EOF {
break