seaweedfs/weed/mount/wfs_save.go

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package mount
import (
"context"
"fmt"
"github.com/chrislusf/seaweedfs/weed/filer"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/hanwen/go-fuse/v2/fuse"
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"syscall"
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)
func (wfs *WFS) saveEntry(path util.FullPath, entry *filer_pb.Entry) (code fuse.Status) {
parentDir, _ := path.DirAndName()
err := wfs.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
wfs.mapPbIdFromLocalToFiler(entry)
defer wfs.mapPbIdFromFilerToLocal(entry)
request := &filer_pb.UpdateEntryRequest{
Directory: parentDir,
Entry: entry,
Signatures: []int32{wfs.signature},
}
glog.V(1).Infof("save entry: %v", request)
_, err := client.UpdateEntry(context.Background(), request)
if err != nil {
return fmt.Errorf("UpdateEntry dir %s: %v", path, err)
}
if err := wfs.metaCache.UpdateEntry(context.Background(), filer.FromPbEntry(request.Directory, request.Entry)); err != nil {
return fmt.Errorf("UpdateEntry dir %s: %v", path, err)
}
return nil
})
if err != nil {
glog.Errorf("saveEntry %s: %v", path, err)
return fuse.EIO
}
return fuse.OK
}
func (wfs *WFS) mapPbIdFromFilerToLocal(entry *filer_pb.Entry) {
if entry.Attributes == nil {
return
}
entry.Attributes.Uid, entry.Attributes.Gid = wfs.option.UidGidMapper.FilerToLocal(entry.Attributes.Uid, entry.Attributes.Gid)
}
func (wfs *WFS) mapPbIdFromLocalToFiler(entry *filer_pb.Entry) {
if entry.Attributes == nil {
return
}
entry.Attributes.Uid, entry.Attributes.Gid = wfs.option.UidGidMapper.LocalToFiler(entry.Attributes.Uid, entry.Attributes.Gid)
}
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func checkName(name string) fuse.Status {
if len(name) >= 256 {
return fuse.Status(syscall.ENAMETOOLONG)
}
return fuse.OK
}