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closure defer not works as I think

This commit is contained in:
siddontang 2014-10-11 10:31:34 +08:00
parent 1583ae90fc
commit e3c2102080
1 changed files with 11 additions and 10 deletions
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21
ledis/dump.go
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@ -46,21 +46,22 @@ func (l *Ledis) Dump(w io.Writer) error {
var commitID uint64
var snap *store.Snapshot
{
l.wLock.Lock()
defer l.wLock.Unlock()
l.wLock.Lock()
if l.r != nil {
if commitID, err = l.r.LastCommitID(); err != nil {
return err
}
}
if snap, err = l.ldb.NewSnapshot(); err != nil {
if l.r != nil {
if commitID, err = l.r.LastCommitID(); err != nil {
l.wLock.Unlock()
return err
}
}
if snap, err = l.ldb.NewSnapshot(); err != nil {
l.wLock.Unlock()
return err
}
l.wLock.Unlock()
wb := bufio.NewWriterSize(w, 4096)
h := &DumpHead{commitID}