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Support bucket versioning (#9377)

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- Implement a new xl.json 2.0.0 format to support,
  this moves the entire marshaling logic to POSIX
  layer, top layer always consumes a common FileInfo
  construct which simplifies the metadata reads.
- Implement list object versions
- Migrate to siphash from crchash for new deployments
  for object placements.

Fixes #2111
This commit is contained in:
Harshavardhana
2020-06-12 20:04:01 -07:00
committed by GitHub
parent 43d6e3ae06
commit 4915433bd2
203 changed files with 13833 additions and 6919 deletions
Download Patch File Download Diff File Expand all files Collapse all files
cmd/os-readdir_unix.go
+12 -20
View File
@@ -87,17 +87,11 @@ func readDir(dirPath string) (entries []string, err error) {
// readDir applies the filter function on each entries at dirPath, doesn't recurse into
// the directory itself.
func readDirFilterFn(dirPath string, filter func(name string, typ os.FileMode) error) error {
fd, err := syscall.Open(dirPath, 0, 0)
f, err := os.Open(dirPath)
if err != nil {
if os.IsNotExist(err) || isSysErrNotDir(err) {
return errFileNotFound
}
if os.IsPermission(err) {
return errFileAccessDenied
}
return err
return osErrToFileErr(err)
}
defer syscall.Close(fd)
defer f.Close()
buf := make([]byte, blockSize)
boff := 0 // starting read position in buf
@@ -106,7 +100,7 @@ func readDirFilterFn(dirPath string, filter func(name string, typ os.FileMode) e
for {
if boff >= nbuf {
boff = 0
nbuf, err = syscall.ReadDirent(fd, buf)
nbuf, err = syscall.ReadDirent(int(f.Fd()), buf)
if err != nil {
if isSysErrNotDir(err) {
return errFileNotFound
@@ -140,17 +134,11 @@ func readDirFilterFn(dirPath string, filter func(name string, typ os.FileMode) e
// Return count entries at the directory dirPath and all entries
// if count is set to -1
func readDirN(dirPath string, count int) (entries []string, err error) {
fd, err := syscall.Open(dirPath, 0, 0)
f, err := os.Open(dirPath)
if err != nil {
if os.IsNotExist(err) || isSysErrNotDir(err) {
return nil, errFileNotFound
}
if os.IsPermission(err) {
return nil, errFileAccessDenied
}
return nil, err
return nil, osErrToFileErr(err)
}
defer syscall.Close(fd)
defer f.Close()
bufp := direntPool.Get().(*[]byte)
defer direntPool.Put(bufp)
@@ -161,7 +149,7 @@ func readDirN(dirPath string, count int) (entries []string, err error) {
for count != 0 {
if boff >= nbuf {
boff = 0
nbuf, err = syscall.ReadDirent(fd, *bufp)
nbuf, err = syscall.ReadDirent(int(f.Fd()), *bufp)
if err != nil {
if isSysErrNotDir(err) {
return nil, errFileNotFound
@@ -209,3 +197,7 @@ func readDirN(dirPath string, count int) (entries []string, err error) {
}
return
}
func globalSync() {
syscall.Sync()
}