diff options
Diffstat (limited to 'weed/filesys/dir.go')
| -rw-r--r-- | weed/filesys/dir.go | 263 |
1 files changed, 163 insertions, 100 deletions
diff --git a/weed/filesys/dir.go b/weed/filesys/dir.go index abe5a21a6..e4260d56f 100644 --- a/weed/filesys/dir.go +++ b/weed/filesys/dir.go @@ -1,6 +1,7 @@ package filesys import ( + "bytes" "context" "os" "strings" @@ -9,14 +10,16 @@ import ( "github.com/chrislusf/seaweedfs/weed/filer2" "github.com/chrislusf/seaweedfs/weed/glog" "github.com/chrislusf/seaweedfs/weed/pb/filer_pb" + "github.com/chrislusf/seaweedfs/weed/util" "github.com/seaweedfs/fuse" "github.com/seaweedfs/fuse/fs" ) type Dir struct { - Path string - wfs *WFS - entry *filer_pb.Entry + name string + wfs *WFS + entry *filer_pb.Entry + parent *Dir } var _ = fs.Node(&Dir{}) @@ -35,39 +38,37 @@ var _ = fs.NodeForgetter(&Dir{}) func (dir *Dir) Attr(ctx context.Context, attr *fuse.Attr) error { - glog.V(3).Infof("dir Attr %s, existing attr: %+v", dir.Path, attr) - // https://github.com/bazil/fuse/issues/196 attr.Valid = time.Second - if dir.Path == dir.wfs.option.FilerMountRootPath { + if dir.FullPath() == dir.wfs.option.FilerMountRootPath { dir.setRootDirAttributes(attr) - glog.V(3).Infof("root dir Attr %s, attr: %+v", dir.Path, attr) + glog.V(3).Infof("root dir Attr %s, attr: %+v", dir.FullPath(), attr) return nil } - if err := dir.maybeLoadEntry(ctx); err != nil { - glog.V(3).Infof("dir Attr %s,err: %+v", dir.Path, err) + if err := dir.maybeLoadEntry(); err != nil { + glog.V(3).Infof("dir Attr %s,err: %+v", dir.FullPath(), err) return err } - attr.Inode = filer2.FullPath(dir.Path).AsInode() + attr.Inode = util.FullPath(dir.FullPath()).AsInode() attr.Mode = os.FileMode(dir.entry.Attributes.FileMode) | os.ModeDir attr.Mtime = time.Unix(dir.entry.Attributes.Mtime, 0) - attr.Ctime = time.Unix(dir.entry.Attributes.Crtime, 0) + attr.Crtime = time.Unix(dir.entry.Attributes.Crtime, 0) attr.Gid = dir.entry.Attributes.Gid attr.Uid = dir.entry.Attributes.Uid - glog.V(3).Infof("dir Attr %s, attr: %+v", dir.Path, attr) + glog.V(4).Infof("dir Attr %s, attr: %+v", dir.FullPath(), attr) return nil } func (dir *Dir) Getxattr(ctx context.Context, req *fuse.GetxattrRequest, resp *fuse.GetxattrResponse) error { - glog.V(4).Infof("dir Getxattr %s", dir.Path) + glog.V(4).Infof("dir Getxattr %s", dir.FullPath()) - if err := dir.maybeLoadEntry(ctx); err != nil { + if err := dir.maybeLoadEntry(); err != nil { return err } @@ -88,7 +89,7 @@ func (dir *Dir) setRootDirAttributes(attr *fuse.Attr) { } func (dir *Dir) newFile(name string, entry *filer_pb.Entry) fs.Node { - return dir.wfs.getNode(filer2.NewFullPath(dir.Path, name), func() fs.Node { + return dir.wfs.fsNodeCache.EnsureFsNode(util.NewFullPath(dir.FullPath(), name), func() fs.Node { return &File{ Name: name, dir: dir, @@ -99,17 +100,19 @@ func (dir *Dir) newFile(name string, entry *filer_pb.Entry) fs.Node { }) } -func (dir *Dir) newDirectory(fullpath filer2.FullPath, entry *filer_pb.Entry) fs.Node { - return dir.wfs.getNode(fullpath, func() fs.Node { - return &Dir{Path: string(fullpath), wfs: dir.wfs, entry: entry} +func (dir *Dir) newDirectory(fullpath util.FullPath, entry *filer_pb.Entry) fs.Node { + + return dir.wfs.fsNodeCache.EnsureFsNode(fullpath, func() fs.Node { + return &Dir{name: entry.Name, wfs: dir.wfs, entry: entry, parent: dir} }) + } func (dir *Dir) Create(ctx context.Context, req *fuse.CreateRequest, resp *fuse.CreateResponse) (fs.Node, fs.Handle, error) { request := &filer_pb.CreateEntryRequest{ - Directory: dir.Path, + Directory: dir.FullPath(), Entry: &filer_pb.Entry{ Name: req.Name, IsDirectory: req.Mode&os.ModeDir > 0, @@ -126,22 +129,27 @@ func (dir *Dir) Create(ctx context.Context, req *fuse.CreateRequest, }, OExcl: req.Flags&fuse.OpenExclusive != 0, } - glog.V(1).Infof("create: %v", req.String()) + glog.V(1).Infof("create %s/%s: %v", dir.FullPath(), req.Name, req.Flags) - if err := dir.wfs.WithFilerClient(ctx, func(ctx context.Context, client filer_pb.SeaweedFilerClient) error { - if err := filer_pb.CreateEntry(ctx, client, request); err != nil { + if err := dir.wfs.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error { + if err := filer_pb.CreateEntry(client, request); err != nil { if strings.Contains(err.Error(), "EEXIST") { return fuse.EEXIST } return fuse.EIO } + + if dir.wfs.option.AsyncMetaDataCaching { + dir.wfs.metaCache.InsertEntry(context.Background(), filer2.FromPbEntry(request.Directory, request.Entry)) + } + return nil }); err != nil { return nil, nil, err } var node fs.Node if request.Entry.IsDirectory { - node = dir.newDirectory(filer2.NewFullPath(dir.Path, req.Name), request.Entry) + node = dir.newDirectory(util.NewFullPath(dir.FullPath(), req.Name), request.Entry) return node, nil, nil } @@ -155,6 +163,8 @@ func (dir *Dir) Create(ctx context.Context, req *fuse.CreateRequest, func (dir *Dir) Mkdir(ctx context.Context, req *fuse.MkdirRequest) (fs.Node, error) { + glog.V(4).Infof("mkdir %s: %s", dir.FullPath(), req.Name) + newEntry := &filer_pb.Entry{ Name: req.Name, IsDirectory: true, @@ -167,40 +177,55 @@ func (dir *Dir) Mkdir(ctx context.Context, req *fuse.MkdirRequest) (fs.Node, err }, } - err := dir.wfs.WithFilerClient(ctx, func(ctx context.Context, client filer_pb.SeaweedFilerClient) error { + err := dir.wfs.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error { request := &filer_pb.CreateEntryRequest{ - Directory: dir.Path, + Directory: dir.FullPath(), Entry: newEntry, } glog.V(1).Infof("mkdir: %v", request) - if err := filer_pb.CreateEntry(ctx, client, request); err != nil { - glog.V(0).Infof("mkdir %s/%s: %v", dir.Path, req.Name, err) + if err := filer_pb.CreateEntry(client, request); err != nil { + glog.V(0).Infof("mkdir %s/%s: %v", dir.FullPath(), req.Name, err) return err } + if dir.wfs.option.AsyncMetaDataCaching { + dir.wfs.metaCache.InsertEntry(context.Background(), filer2.FromPbEntry(request.Directory, request.Entry)) + } + return nil }) if err == nil { - node := dir.newDirectory(filer2.NewFullPath(dir.Path, req.Name), newEntry) + node := dir.newDirectory(util.NewFullPath(dir.FullPath(), req.Name), newEntry) + return node, nil } + glog.V(0).Infof("mkdir %s/%s: %v", dir.FullPath(), req.Name, err) + return nil, fuse.EIO } func (dir *Dir) Lookup(ctx context.Context, req *fuse.LookupRequest, resp *fuse.LookupResponse) (node fs.Node, err error) { - glog.V(4).Infof("dir Lookup %s: %s", dir.Path, req.Name) + glog.V(4).Infof("dir Lookup %s: %s by %s", dir.FullPath(), req.Name, req.Header.String()) - fullFilePath := filer2.NewFullPath(dir.Path, req.Name) + fullFilePath := util.NewFullPath(dir.FullPath(), req.Name) entry := dir.wfs.cacheGet(fullFilePath) + if dir.wfs.option.AsyncMetaDataCaching { + cachedEntry, cacheErr := dir.wfs.metaCache.FindEntry(context.Background(), fullFilePath) + if cacheErr == filer_pb.ErrNotFound { + return nil, fuse.ENOENT + } + entry = cachedEntry.ToProtoEntry() + } + if entry == nil { // glog.V(3).Infof("dir Lookup cache miss %s", fullFilePath) - entry, err = filer2.GetEntry(ctx, dir.wfs, fullFilePath) + entry, err = filer_pb.GetEntry(dir.wfs, fullFilePath) if err != nil { glog.V(1).Infof("dir GetEntry %s: %v", fullFilePath, err) return nil, fuse.ENOENT @@ -221,7 +246,7 @@ func (dir *Dir) Lookup(ctx context.Context, req *fuse.LookupRequest, resp *fuse. resp.Attr.Inode = fullFilePath.AsInode() resp.Attr.Valid = time.Second resp.Attr.Mtime = time.Unix(entry.Attributes.Mtime, 0) - resp.Attr.Ctime = time.Unix(entry.Attributes.Crtime, 0) + resp.Attr.Crtime = time.Unix(entry.Attributes.Crtime, 0) resp.Attr.Mode = os.FileMode(entry.Attributes.FileMode) resp.Attr.Gid = entry.Attributes.Gid resp.Attr.Uid = entry.Attributes.Uid @@ -229,18 +254,17 @@ func (dir *Dir) Lookup(ctx context.Context, req *fuse.LookupRequest, resp *fuse. return node, nil } - glog.V(1).Infof("not found dir GetEntry %s: %v", fullFilePath, err) + glog.V(4).Infof("not found dir GetEntry %s: %v", fullFilePath, err) return nil, fuse.ENOENT } func (dir *Dir) ReadDirAll(ctx context.Context) (ret []fuse.Dirent, err error) { - glog.V(3).Infof("dir ReadDirAll %s", dir.Path) + glog.V(3).Infof("dir ReadDirAll %s", dir.FullPath()) cacheTtl := 5 * time.Minute - - readErr := filer2.ReadDirAllEntries(ctx, dir.wfs, filer2.FullPath(dir.Path), "", func(entry *filer_pb.Entry, isLast bool) { - fullpath := filer2.NewFullPath(dir.Path, entry.Name) + processEachEntryFn := func(entry *filer_pb.Entry, isLast bool) error { + fullpath := util.NewFullPath(dir.FullPath(), entry.Name) inode := fullpath.AsInode() if entry.IsDirectory { dirent := fuse.Dirent{Inode: inode, Name: entry.Name, Type: fuse.DT_Dir} @@ -250,9 +274,24 @@ func (dir *Dir) ReadDirAll(ctx context.Context) (ret []fuse.Dirent, err error) { ret = append(ret, dirent) } dir.wfs.cacheSet(fullpath, entry, cacheTtl) - }) + return nil + } + + if dir.wfs.option.AsyncMetaDataCaching { + listedEntries, listErr := dir.wfs.metaCache.ListDirectoryEntries(context.Background(), util.FullPath(dir.FullPath()), "", false, int(dir.wfs.option.DirListCacheLimit)) + if listErr != nil { + glog.Errorf("list meta cache: %v", listErr) + return nil, fuse.EIO + } + for _, cachedEntry := range listedEntries { + processEachEntryFn(cachedEntry.ToProtoEntry(), false) + } + return + } + + readErr := filer_pb.ReadDirAllEntries(dir.wfs, util.FullPath(dir.FullPath()), "", processEachEntryFn) if readErr != nil { - glog.V(0).Infof("list %s: %v", dir.Path, err) + glog.V(0).Infof("list %s: %v", dir.FullPath(), err) return ret, fuse.EIO } @@ -262,74 +301,70 @@ func (dir *Dir) ReadDirAll(ctx context.Context) (ret []fuse.Dirent, err error) { func (dir *Dir) Remove(ctx context.Context, req *fuse.RemoveRequest) error { if !req.Dir { - return dir.removeOneFile(ctx, req) + return dir.removeOneFile(req) } - return dir.removeFolder(ctx, req) + return dir.removeFolder(req) } -func (dir *Dir) removeOneFile(ctx context.Context, req *fuse.RemoveRequest) error { +func (dir *Dir) removeOneFile(req *fuse.RemoveRequest) error { - filePath := filer2.NewFullPath(dir.Path, req.Name) - entry, err := filer2.GetEntry(ctx, dir.wfs, filePath) + filePath := util.NewFullPath(dir.FullPath(), req.Name) + entry, err := filer_pb.GetEntry(dir.wfs, filePath) if err != nil { return err } + if entry == nil { + return nil + } - dir.wfs.deleteFileChunks(ctx, entry.Chunks) + dir.wfs.deleteFileChunks(entry.Chunks) dir.wfs.cacheDelete(filePath) + dir.wfs.fsNodeCache.DeleteFsNode(filePath) - return dir.wfs.WithFilerClient(ctx, func(ctx context.Context, client filer_pb.SeaweedFilerClient) error { - - request := &filer_pb.DeleteEntryRequest{ - Directory: dir.Path, - Name: req.Name, - IsDeleteData: false, - } + if dir.wfs.option.AsyncMetaDataCaching { + dir.wfs.metaCache.DeleteEntry(context.Background(), filePath) + } - glog.V(3).Infof("remove file: %v", request) - _, err := client.DeleteEntry(ctx, request) - if err != nil { - glog.V(3).Infof("not found remove file %s/%s: %v", dir.Path, req.Name, err) - return fuse.ENOENT - } + glog.V(3).Infof("remove file: %v", req) + err = filer_pb.Remove(dir.wfs, dir.FullPath(), req.Name, false, false, false) + if err != nil { + glog.V(3).Infof("not found remove file %s/%s: %v", dir.FullPath(), req.Name, err) + return fuse.ENOENT + } - return nil - }) + return nil } -func (dir *Dir) removeFolder(ctx context.Context, req *fuse.RemoveRequest) error { - - dir.wfs.cacheDelete(filer2.NewFullPath(dir.Path, req.Name)) +func (dir *Dir) removeFolder(req *fuse.RemoveRequest) error { - return dir.wfs.WithFilerClient(ctx, func(ctx context.Context, client filer_pb.SeaweedFilerClient) error { + t := util.NewFullPath(dir.FullPath(), req.Name) + dir.wfs.cacheDelete(t) + dir.wfs.fsNodeCache.DeleteFsNode(t) - request := &filer_pb.DeleteEntryRequest{ - Directory: dir.Path, - Name: req.Name, - IsDeleteData: true, - } + if dir.wfs.option.AsyncMetaDataCaching { + dir.wfs.metaCache.DeleteEntry(context.Background(), t) + } - glog.V(3).Infof("remove directory entry: %v", request) - _, err := client.DeleteEntry(ctx, request) - if err != nil { - glog.V(3).Infof("not found remove %s/%s: %v", dir.Path, req.Name, err) - return fuse.ENOENT - } + glog.V(3).Infof("remove directory entry: %v", req) + err := filer_pb.Remove(dir.wfs, dir.FullPath(), req.Name, true, false, false) + if err != nil { + glog.V(3).Infof("not found remove %s/%s: %v", dir.FullPath(), req.Name, err) + return fuse.ENOENT + } - return nil - }) + return nil } func (dir *Dir) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *fuse.SetattrResponse) error { - glog.V(3).Infof("%v dir setattr %+v", dir.Path, req) + glog.V(3).Infof("%v dir setattr %+v", dir.FullPath(), req) - if err := dir.maybeLoadEntry(ctx); err != nil { + if err := dir.maybeLoadEntry(); err != nil { return err } @@ -349,17 +384,17 @@ func (dir *Dir) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *fus dir.entry.Attributes.Mtime = req.Mtime.Unix() } - dir.wfs.cacheDelete(filer2.FullPath(dir.Path)) + dir.wfs.cacheDelete(util.FullPath(dir.FullPath())) - return dir.saveEntry(ctx) + return dir.saveEntry() } func (dir *Dir) Setxattr(ctx context.Context, req *fuse.SetxattrRequest) error { - glog.V(4).Infof("dir Setxattr %s: %s", dir.Path, req.Name) + glog.V(4).Infof("dir Setxattr %s: %s", dir.FullPath(), req.Name) - if err := dir.maybeLoadEntry(ctx); err != nil { + if err := dir.maybeLoadEntry(); err != nil { return err } @@ -367,17 +402,17 @@ func (dir *Dir) Setxattr(ctx context.Context, req *fuse.SetxattrRequest) error { return err } - dir.wfs.cacheDelete(filer2.FullPath(dir.Path)) + dir.wfs.cacheDelete(util.FullPath(dir.FullPath())) - return dir.saveEntry(ctx) + return dir.saveEntry() } func (dir *Dir) Removexattr(ctx context.Context, req *fuse.RemovexattrRequest) error { - glog.V(4).Infof("dir Removexattr %s: %s", dir.Path, req.Name) + glog.V(4).Infof("dir Removexattr %s: %s", dir.FullPath(), req.Name) - if err := dir.maybeLoadEntry(ctx); err != nil { + if err := dir.maybeLoadEntry(); err != nil { return err } @@ -385,17 +420,17 @@ func (dir *Dir) Removexattr(ctx context.Context, req *fuse.RemovexattrRequest) e return err } - dir.wfs.cacheDelete(filer2.FullPath(dir.Path)) + dir.wfs.cacheDelete(util.FullPath(dir.FullPath())) - return dir.saveEntry(ctx) + return dir.saveEntry() } func (dir *Dir) Listxattr(ctx context.Context, req *fuse.ListxattrRequest, resp *fuse.ListxattrResponse) error { - glog.V(4).Infof("dir Listxattr %s", dir.Path) + glog.V(4).Infof("dir Listxattr %s", dir.FullPath()) - if err := dir.maybeLoadEntry(ctx); err != nil { + if err := dir.maybeLoadEntry(); err != nil { return err } @@ -408,15 +443,15 @@ func (dir *Dir) Listxattr(ctx context.Context, req *fuse.ListxattrRequest, resp } func (dir *Dir) Forget() { - glog.V(3).Infof("Forget dir %s", dir.Path) + glog.V(3).Infof("Forget dir %s", dir.FullPath()) - dir.wfs.forgetNode(filer2.FullPath(dir.Path)) + dir.wfs.fsNodeCache.DeleteFsNode(util.FullPath(dir.FullPath())) } -func (dir *Dir) maybeLoadEntry(ctx context.Context) error { +func (dir *Dir) maybeLoadEntry() error { if dir.entry == nil { - parentDirPath, name := filer2.FullPath(dir.Path).DirAndName() - entry, err := dir.wfs.maybeLoadEntry(ctx, parentDirPath, name) + parentDirPath, name := util.FullPath(dir.FullPath()).DirAndName() + entry, err := dir.wfs.maybeLoadEntry(parentDirPath, name) if err != nil { return err } @@ -425,11 +460,11 @@ func (dir *Dir) maybeLoadEntry(ctx context.Context) error { return nil } -func (dir *Dir) saveEntry(ctx context.Context) error { +func (dir *Dir) saveEntry() error { - parentDir, name := filer2.FullPath(dir.Path).DirAndName() + parentDir, name := util.FullPath(dir.FullPath()).DirAndName() - return dir.wfs.WithFilerClient(ctx, func(ctx context.Context, client filer_pb.SeaweedFilerClient) error { + return dir.wfs.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error { request := &filer_pb.UpdateEntryRequest{ Directory: parentDir, @@ -437,12 +472,40 @@ func (dir *Dir) saveEntry(ctx context.Context) error { } glog.V(1).Infof("save dir entry: %v", request) - _, err := client.UpdateEntry(ctx, request) + _, err := client.UpdateEntry(context.Background(), request) if err != nil { glog.V(0).Infof("UpdateEntry dir %s/%s: %v", parentDir, name, err) return fuse.EIO } + if dir.wfs.option.AsyncMetaDataCaching { + dir.wfs.metaCache.UpdateEntry(context.Background(), filer2.FromPbEntry(request.Directory, request.Entry)) + } + return nil }) } + +func (dir *Dir) FullPath() string { + var parts []string + for p := dir; p != nil; p = p.parent { + if strings.HasPrefix(p.name, "/") { + if len(p.name) > 1 { + parts = append(parts, p.name[1:]) + } + } else { + parts = append(parts, p.name) + } + } + + if len(parts) == 0 { + return "/" + } + + var buf bytes.Buffer + for i := len(parts) - 1; i >= 0; i-- { + buf.WriteString("/") + buf.WriteString(parts[i]) + } + return buf.String() +} |
