mount: add back support for filer.path

weed/mount/inode_to_path.go

@@ -21,13 +21,13 @@ type InodeEntry struct {
 	isChildrenCached bool
 }
 
-func NewInodeToPath() *InodeToPath {
+func NewInodeToPath(root util.FullPath) *InodeToPath {
 	t := &InodeToPath{
 		inode2path: make(map[uint64]*InodeEntry),
 		path2inode: make(map[util.FullPath]uint64),
 	}
-	t.inode2path[1] = &InodeEntry{"/", 1, true, false}
-	t.path2inode["/"] = 1
+	t.inode2path[1] = &InodeEntry{root, 1, true, false}
+	t.path2inode[root] = 1
 	return t
 }
 

weed/mount/meta_cache/meta_cache.go

@@ -14,6 +14,7 @@ import (
 // e.g. fill fileId field for chunks
 
 type MetaCache struct {
+	root       util.FullPath
 	localStore filer.VirtualFilerStore
 	// sync.RWMutex
 	uidGidMapper   *UidGidMapper
@@ -22,8 +23,10 @@ type MetaCache struct {
 	invalidateFunc func(fullpath util.FullPath, entry *filer_pb.Entry)
 }
 
-func NewMetaCache(dbFolder string, uidGidMapper *UidGidMapper, markCachedFn func(path util.FullPath), isCachedFn func(path util.FullPath) bool, invalidateFunc func(util.FullPath, *filer_pb.Entry)) *MetaCache {
+func NewMetaCache(dbFolder string, uidGidMapper *UidGidMapper, root util.FullPath,
+	markCachedFn func(path util.FullPath), isCachedFn func(path util.FullPath) bool, invalidateFunc func(util.FullPath, *filer_pb.Entry)) *MetaCache {
 	return &MetaCache{
+		root:         root,
 		localStore:   openMetaStore(dbFolder),
 		markCachedFn: markCachedFn,
 		isCachedFn:   isCachedFn,

weed/mount/meta_cache/meta_cache_init.go

@@ -33,7 +33,7 @@ func EnsureVisited(mc *MetaCache, client filer_pb.FilerClient, dirPath util.Full
 		}
 
 		// continue to parent directory
-		if currentPath != "/" {
+		if currentPath != mc.root {
 			parent, _ := currentPath.DirAndName()
 			currentPath = util.FullPath(parent)
 		} else {

weed/mount/weedfs.go

@@ -73,7 +73,7 @@ func NewSeaweedFileSystem(option *Option) *WFS {
 		RawFileSystem: fuse.NewDefaultRawFileSystem(),
 		option:        option,
 		signature:     util.RandomInt32(),
-		inodeToPath:   NewInodeToPath(),
+		inodeToPath:   NewInodeToPath(util.FullPath(option.FilerMountRootPath)),
 		fhmap:         NewFileHandleToInode(),
 		dhmap:         NewDirectoryHandleToInode(),
 	}
@@ -84,12 +84,14 @@ func NewSeaweedFileSystem(option *Option) *WFS {
 		wfs.chunkCache = chunk_cache.NewTieredChunkCache(256, option.getUniqueCacheDir(), option.CacheSizeMB, 1024*1024)
 	}
 
-	wfs.metaCache = meta_cache.NewMetaCache(path.Join(option.getUniqueCacheDir(), "meta"), option.UidGidMapper, func(path util.FullPath) {
-		wfs.inodeToPath.MarkChildrenCached(path)
-	}, func(path util.FullPath) bool {
-		return wfs.inodeToPath.IsChildrenCached(path)
-	}, func(filePath util.FullPath, entry *filer_pb.Entry) {
-	})
+	wfs.metaCache = meta_cache.NewMetaCache(path.Join(option.getUniqueCacheDir(), "meta"), option.UidGidMapper,
+		util.FullPath(option.FilerMountRootPath),
+		func(path util.FullPath) {
+			wfs.inodeToPath.MarkChildrenCached(path)
+		}, func(path util.FullPath) bool {
+			return wfs.inodeToPath.IsChildrenCached(path)
+		}, func(filePath util.FullPath, entry *filer_pb.Entry) {
+		})
 	grace.OnInterrupt(func() {
 		wfs.metaCache.Shutdown()
 		os.RemoveAll(option.getUniqueCacheDir())