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avoid creating multiple reader

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This commit is contained in:
Chris Lu 2021-03-22 22:32:47 -07:00
parent 2f7c7afdec
commit 3cbc40fa48
1 changed files with 3 additions and 3 deletions
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6
weed/filesys/filehandle.go
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@ -23,7 +23,7 @@ type FileHandle struct {
dirtyPages *ContinuousDirtyPages
contentType string
handle uint64
sync.RWMutex
sync.Mutex
f *File
RequestId fuse.RequestID // unique ID for request
@ -59,8 +59,8 @@ var _ = fs.HandleReleaser(&FileHandle{})
func (fh *FileHandle) Read(ctx context.Context, req *fuse.ReadRequest, resp *fuse.ReadResponse) error {
glog.V(4).Infof("%s read fh %d: [%d,%d) size %d resp.Data cap=%d", fh.f.fullpath(), fh.handle, req.Offset, req.Offset+int64(req.Size), req.Size, cap(resp.Data))
fh.RLock()
defer fh.RUnlock()
fh.Lock()
defer fh.Unlock()
if req.Size <= 0 {
return nil