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Issue 26: Could not download uploaded files

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Fix is provided by hieu.hcmus, He convinced me of the fix. Thanks!
This commit is contained in:
Chris Lu 2013-07-05 16:05:35 -07:00
parent d1fcf1fd67
commit e30e325770
1 changed files with 10 additions and 0 deletions
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10
go/storage/volume.go
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@ -169,6 +169,15 @@ func (v *Volume) write(n *Needle) (size uint32, err error) {
if offset, err = v.dataFile.Seek(0, 2); err != nil { if offset, err = v.dataFile.Seek(0, 2); err != nil {
return return
} }
//ensure file writing starting from aligned positions
if offset%NeedlePaddingSize != 0 {
offset = offset + (NeedlePaddingSize - offset%NeedlePaddingSize)
if offset, err = v.dataFile.Seek(offset, 0); err != nil {
return
}
}
if size, err = n.Append(v.dataFile, v.Version()); err != nil { if size, err = n.Append(v.dataFile, v.Version()); err != nil {
if e := v.dataFile.Truncate(offset); e != nil { if e := v.dataFile.Truncate(offset); e != nil {
err = fmt.Errorf("%s\ncannot truncate %s: %s", err, v.dataFile, e) err = fmt.Errorf("%s\ncannot truncate %s: %s", err, v.dataFile, e)
@ -181,6 +190,7 @@ func (v *Volume) write(n *Needle) (size uint32, err error) {
} }
return return
} }
func (v *Volume) delete(n *Needle) (uint32, error) { func (v *Volume) delete(n *Needle) (uint32, error) {
if v.readOnly { if v.readOnly {
return 0, fmt.Errorf("%s is read-only", v.dataFile) return 0, fmt.Errorf("%s is read-only", v.dataFile)