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path: root/weed/filesys/file.go
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Diffstat (limited to 'weed/filesys/file.go')
-rw-r--r--weed/filesys/file.go125
1 files changed, 84 insertions, 41 deletions
diff --git a/weed/filesys/file.go b/weed/filesys/file.go
index 7aa1016d7..9e1342370 100644
--- a/weed/filesys/file.go
+++ b/weed/filesys/file.go
@@ -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 {
@@ -141,7 +144,7 @@ func (file *File) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *f
}
}
file.entry.Chunks = chunks
- file.entryViewCache = nil
+ file.entryViewCache, _ = filer.NonOverlappingVisibleIntervals(filer.LookupFn(file.wfs), chunks)
file.reader = nil
file.wfs.deleteFileChunks(truncatedChunks)
}
@@ -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
}
@@ -252,30 +258,61 @@ func (file *File) Forget() {
file.wfs.fsNodeCache.DeleteFsNode(t)
}
-func (file *File) maybeLoadEntry(ctx context.Context) error {
- if (file.entry != nil && len(file.entry.HardLinkId) != 0) || file.isOpen > 0 {
- return nil
+func (file *File) maybeLoadEntry(ctx context.Context) (entry *filer_pb.Entry, err error) {
+ entry = file.entry
+ if file.isOpen > 0 {
+ return entry, nil
}
- entry, err := file.wfs.maybeLoadEntry(file.dir.FullPath(), file.Name)
+ if entry != nil {
+ if len(entry.HardLinkId) == 0 {
+ // only always reload hard link
+ return entry, nil
+ }
+ }
+ 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 lessThan(a, b *filer_pb.FileChunk) bool {
+ if a.Mtime == b.Mtime {
+ return a.Fid.FileKey < b.Fid.FileKey
+ }
+ return a.Mtime < b.Mtime
}
func (file *File) addChunks(chunks []*filer_pb.FileChunk) {
- sort.Slice(chunks, func(i, j int) bool {
- if chunks[i].Mtime == chunks[j].Mtime {
- return chunks[i].Fid.FileKey < chunks[j].Fid.FileKey
+ // find the earliest incoming chunk
+ newChunks := chunks
+ earliestChunk := newChunks[0]
+ for i:=1;i<len(newChunks);i++{
+ if lessThan(earliestChunk, newChunks[i]) {
+ earliestChunk = newChunks[i]
+ }
+ }
+
+ // pick out-of-order chunks from existing chunks
+ for _, chunk := range file.entry.Chunks {
+ if lessThan(earliestChunk, chunk) {
+ chunks = append(chunks, chunk)
}
- return chunks[i].Mtime < chunks[j].Mtime
+ }
+
+ // sort incoming chunks
+ sort.Slice(chunks, func(i, j int) bool {
+ return lessThan(chunks[i], chunks[j])
})
+ // add to entry view cache
for _, chunk := range chunks {
file.entryViewCache = filer.MergeIntoVisibles(file.entryViewCache, chunk)
}
@@ -284,24 +321,30 @@ func (file *File) addChunks(chunks []*filer_pb.FileChunk) {
glog.V(4).Infof("%s existing %d chunks adds %d more", file.fullpath(), len(file.entry.Chunks), len(chunks))
- file.entry.Chunks = append(file.entry.Chunks, chunks...)
+ file.entry.Chunks = append(file.entry.Chunks, newChunks...)
}
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
+}
+
+func (file *File) clearEntry() {
+ file.entry = nil
+ file.entryViewCache = nil
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},
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-21 16:01:39 +0000