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make a copy of the filer.entry for most read operations

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This commit is contained in:
Chris Lu 2020-10-30 01:23:23 -07:00
parent 6135cbaa02
commit 19098f2c2d
2 changed files with 51 additions and 43 deletions
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13
weed/filesys/dir_link.go
View file

@ -31,7 +31,7 @@ func (dir *Dir) Link(ctx context.Context, req *fuse.LinkRequest, old fs.Node) (f
glog.V(4).Infof("Link: %v/%v -> %v/%v", oldFile.dir.FullPath(), oldFile.Name, dir.FullPath(), req.NewName)
if err := oldFile.maybeLoadEntry(ctx); err != nil {
if _, err := oldFile.maybeLoadEntry(ctx); err != nil {
return nil, err
}
@ -86,7 +86,7 @@ func (dir *Dir) Link(ctx context.Context, req *fuse.LinkRequest, old fs.Node) (f
// create new file node
newNode := dir.newFile(req.NewName, request.Entry)
newFile := newNode.(*File)
if err := newFile.maybeLoadEntry(ctx); err != nil {
if _, err := newFile.maybeLoadEntry(ctx); err != nil {
return nil, err
}
@ -138,16 +138,17 @@ func (dir *Dir) Symlink(ctx context.Context, req *fuse.SymlinkRequest) (fs.Node,
func (file *File) Readlink(ctx context.Context, req *fuse.ReadlinkRequest) (string, error) {
if err := file.maybeLoadEntry(ctx); err != nil {
entry, err := file.maybeLoadEntry(ctx)
if err != nil {
return "", err
}
if os.FileMode(file.entry.Attributes.FileMode)&os.ModeSymlink == 0 {
if os.FileMode(entry.Attributes.FileMode)&os.ModeSymlink == 0 {
return "", fuse.Errno(syscall.EINVAL)
}
glog.V(4).Infof("Readlink: %v/%v => %v", file.dir.FullPath(), file.Name, file.entry.Attributes.SymlinkTarget)
glog.V(4).Infof("Readlink: %v/%v => %v", file.dir.FullPath(), file.Name, entry.Attributes.SymlinkTarget)
return file.entry.Attributes.SymlinkTarget, nil
return entry.Attributes.SymlinkTarget, nil
}

81
weed/filesys/file.go
View file

@ -43,32 +43,33 @@ func (file *File) fullpath() util.FullPath {
return util.NewFullPath(file.dir.FullPath(), file.Name)
}
func (file *File) Attr(ctx context.Context, attr *fuse.Attr) error {
func (file *File) Attr(ctx context.Context, attr *fuse.Attr) (err error) {
glog.V(4).Infof("file Attr %s, open:%v, existing attr: %+v", file.fullpath(), file.isOpen, attr)
if file.isOpen <= 0 {
if err := file.maybeLoadEntry(ctx); err != nil {
entry := file.entry
if file.isOpen <= 0 || entry == nil {
if entry, err = file.maybeLoadEntry(ctx); err != nil {
return err
}
}
attr.Inode = file.fullpath().AsInode()
attr.Valid = time.Second
attr.Mode = os.FileMode(file.entry.Attributes.FileMode)
attr.Size = filer.FileSize(file.entry)
attr.Mode = os.FileMode(entry.Attributes.FileMode)
attr.Size = filer.FileSize(entry)
if file.isOpen > 0 {
attr.Size = file.entry.Attributes.FileSize
attr.Size = entry.Attributes.FileSize
glog.V(4).Infof("file Attr %s, open:%v, size: %d", file.fullpath(), file.isOpen, attr.Size)
}
attr.Crtime = time.Unix(file.entry.Attributes.Crtime, 0)
attr.Mtime = time.Unix(file.entry.Attributes.Mtime, 0)
attr.Gid = file.entry.Attributes.Gid
attr.Uid = file.entry.Attributes.Uid
attr.Crtime = time.Unix(entry.Attributes.Crtime, 0)
attr.Mtime = time.Unix(entry.Attributes.Mtime, 0)
attr.Gid = entry.Attributes.Gid
attr.Uid = entry.Attributes.Uid
attr.Blocks = attr.Size/blockSize + 1
attr.BlockSize = uint32(file.wfs.option.ChunkSizeLimit)
if file.entry.HardLinkCounter > 0 {
attr.Nlink = uint32(file.entry.HardLinkCounter)
if entry.HardLinkCounter > 0 {
attr.Nlink = uint32(entry.HardLinkCounter)
}
return nil
@ -79,11 +80,12 @@ func (file *File) Getxattr(ctx context.Context, req *fuse.GetxattrRequest, resp
glog.V(4).Infof("file Getxattr %s", file.fullpath())
if err := file.maybeLoadEntry(ctx); err != nil {
entry, err := file.maybeLoadEntry(ctx)
if err != nil {
return err
}
return getxattr(file.entry, req, resp)
return getxattr(entry, req, resp)
}
func (file *File) Open(ctx context.Context, req *fuse.OpenRequest, resp *fuse.OpenResponse) (fs.Handle, error) {
@ -104,7 +106,8 @@ func (file *File) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *f
glog.V(4).Infof("%v file setattr %+v", file.fullpath(), req)
if err := file.maybeLoadEntry(ctx); err != nil {
_, err := file.maybeLoadEntry(ctx)
if err != nil {
return err
}
if file.isOpen > 0 {
@ -186,7 +189,7 @@ func (file *File) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *f
return nil
}
return file.saveEntry()
return file.saveEntry(file.entry)
}
@ -194,15 +197,16 @@ func (file *File) Setxattr(ctx context.Context, req *fuse.SetxattrRequest) error
glog.V(4).Infof("file Setxattr %s: %s", file.fullpath(), req.Name)
if err := file.maybeLoadEntry(ctx); err != nil {
entry, err := file.maybeLoadEntry(ctx)
if err != nil {
return err
}
if err := setxattr(file.entry, req); err != nil {
if err := setxattr(entry, req); err != nil {
return err
}
return file.saveEntry()
return file.saveEntry(entry)
}
@ -210,15 +214,16 @@ func (file *File) Removexattr(ctx context.Context, req *fuse.RemovexattrRequest)
glog.V(4).Infof("file Removexattr %s: %s", file.fullpath(), req.Name)
if err := file.maybeLoadEntry(ctx); err != nil {
entry, err := file.maybeLoadEntry(ctx)
if err != nil {
return err
}
if err := removexattr(file.entry, req); err != nil {
if err := removexattr(entry, req); err != nil {
return err
}
return file.saveEntry()
return file.saveEntry(entry)
}
@ -226,11 +231,12 @@ func (file *File) Listxattr(ctx context.Context, req *fuse.ListxattrRequest, res
glog.V(4).Infof("file Listxattr %s", file.fullpath())
if err := file.maybeLoadEntry(ctx); err != nil {
entry, err := file.maybeLoadEntry(ctx)
if err != nil {
return err
}
if err := listxattr(file.entry, req, resp); err != nil {
if err := listxattr(entry, req, resp); err != nil {
return err
}
@ -252,27 +258,28 @@ func (file *File) Forget() {
file.wfs.fsNodeCache.DeleteFsNode(t)
}
func (file *File) maybeLoadEntry(ctx context.Context) error {
func (file *File) maybeLoadEntry(ctx context.Context) (entry *filer_pb.Entry, err error) {
entry = file.entry
if file.isOpen > 0 {
return nil
return entry, nil
}
if file.entry != nil {
if len(file.entry.HardLinkId) == 0 {
if entry != nil {
if len(entry.HardLinkId) == 0 {
// only always reload hard link
return nil
return entry, nil
}
}
entry, err := file.wfs.maybeLoadEntry(file.dir.FullPath(), file.Name)
entry, err = file.wfs.maybeLoadEntry(file.dir.FullPath(), file.Name)
if err != nil {
glog.V(3).Infof("maybeLoadEntry file %s/%s: %v", file.dir.FullPath(), file.Name, err)
return err
return entry, err
}
if entry != nil {
file.setEntry(entry)
} else {
glog.Warningf("maybeLoadEntry not found entry %s/%s: %v", file.dir.FullPath(), file.Name, err)
}
return nil
return entry, nil
}
func (file *File) addChunks(chunks []*filer_pb.FileChunk) {
@ -297,7 +304,7 @@ func (file *File) addChunks(chunks []*filer_pb.FileChunk) {
func (file *File) setEntry(entry *filer_pb.Entry) {
file.entry = entry
file.entryViewCache, _ = filer.NonOverlappingVisibleIntervals(filer.LookupFn(file.wfs), file.entry.Chunks)
file.entryViewCache, _ = filer.NonOverlappingVisibleIntervals(filer.LookupFn(file.wfs), entry.Chunks)
file.reader = nil
}
@ -307,15 +314,15 @@ func (file *File) clearEntry() {
file.reader = nil
}
func (file *File) saveEntry() error {
func (file *File) saveEntry(entry *filer_pb.Entry) error {
return file.wfs.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
file.wfs.mapPbIdFromLocalToFiler(file.entry)
defer file.wfs.mapPbIdFromFilerToLocal(file.entry)
file.wfs.mapPbIdFromLocalToFiler(entry)
defer file.wfs.mapPbIdFromFilerToLocal(entry)
request := &filer_pb.UpdateEntryRequest{
Directory: file.dir.FullPath(),
Entry: file.entry,
Entry: entry,
Signatures: []int32{file.wfs.signature},
}