add lock on dirty pages

This commit is contained in:
Chris Lu 2020-01-22 15:38:25 -08:00
parent 66ded8804a
commit 72e1aff237

View file

@ -231,6 +231,10 @@ func min(x, y int64) int64 {
func (pages *ContinuousDirtyPages) ReadDirtyData(ctx context.Context, data []byte, startOffset int64) (offset int64, size int, err error) {
bufSize := int64(len(data))
pages.lock.Lock()
defer pages.lock.Unlock()
if startOffset+bufSize < pages.Offset {
return
}