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mount2: invalidate fuse cache for replaced inode

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This commit is contained in:
chrislu 2022-02-27 00:00:23 -08:00
parent 4ddcbaab57
commit 9ef5bb20f6
3 changed files with 14 additions and 2 deletions
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3
weed/mount/inode_to_path.go
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@ -138,7 +138,7 @@ func (i *InodeToPath) RemovePath(path util.FullPath) {
}
}
func (i *InodeToPath) MovePath(sourcePath, targetPath util.FullPath) {
func (i *InodeToPath) MovePath(sourcePath, targetPath util.FullPath) (replacedInode uint64) {
i.Lock()
defer i.Unlock()
sourceInode, sourceFound := i.path2inode[sourcePath]
@ -157,6 +157,7 @@ func (i *InodeToPath) MovePath(sourcePath, targetPath util.FullPath) {
} else {
i.inode2path[sourceInode].nlookup++
}
return targetInode
}
func (i *InodeToPath) Forget(inode, nlookup uint64, onForgetDir func(dir util.FullPath)) {

5
weed/mount/weedfs.go
View file

@ -65,6 +65,7 @@ type WFS struct {
inodeToPath *InodeToPath
fhmap *FileHandleToInode
dhmap *DirectoryHandleToInode
fuseServer *fuse.Server
}
func NewSeaweedFileSystem(option *Option) *WFS {
@ -109,6 +110,10 @@ func (wfs *WFS) String() string {
return "seaweedfs"
}
func (wfs *WFS) Init(server *fuse.Server) {
wfs.fuseServer = server
}
func (wfs *WFS) maybeReadEntry(inode uint64) (path util.FullPath, fh *FileHandle, entry *filer_pb.Entry, status fuse.Status) {
path, status = wfs.inodeToPath.GetPath(inode)
if status != fuse.OK {

8
weed/mount/weedfs_rename.go
View file

@ -214,6 +214,8 @@ func (wfs *WFS) Rename(cancel <-chan struct{}, in *fuse.RenameIn, oldName string
func (wfs *WFS) handleRenameResponse(ctx context.Context, resp *filer_pb.StreamRenameEntryResponse) error {
// comes from filer StreamRenameEntry, can only be create or delete entry
glog.V(4).Infof("dir Rename %+v", resp.EventNotification)
if resp.EventNotification.NewEntry != nil {
// with new entry, the old entry name also exists. This is the first step to create new entry
newEntry := filer.FromPbEntry(resp.EventNotification.NewParentPath, resp.EventNotification.NewEntry)
@ -227,7 +229,11 @@ func (wfs *WFS) handleRenameResponse(ctx context.Context, resp *filer_pb.StreamR
oldPath := oldParent.Child(oldName)
newPath := newParent.Child(newName)
wfs.inodeToPath.MovePath(oldPath, newPath)
replacedInode := wfs.inodeToPath.MovePath(oldPath, newPath)
// invalidate attr and data
if replacedInode > 0 {
wfs.fuseServer.InodeNotify(replacedInode, 0, -1)
}
} else if resp.EventNotification.OldEntry != nil {
// without new entry, only old entry name exists. This is the second step to delete old entry