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Add object compression support (#6292)

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Add support for streaming (golang/LZ77/snappy) compression.
This commit is contained in:
Praveen raj Mani
2018-09-28 09:06:17 +05:30
committed by Nitish Tiwari
parent 5c765bc63e
commit ce9d36d954
57 changed files with 1321 additions and 173 deletions
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9
cmd/posix.go
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@@ -918,7 +918,7 @@ func (s *posix) createFile(volume, path string) (f *os.File, err error) {
// Currently we use fallocate when available to avoid disk fragmentation as much as possible
func (s *posix) PrepareFile(volume, path string, fileSize int64) (err error) {
// It doesn't make sense to create a negative-sized file
if fileSize <= 0 {
if fileSize < -1 {
return errInvalidArgument
}
@@ -949,8 +949,11 @@ func (s *posix) PrepareFile(volume, path string, fileSize int64) (err error) {
// Close upon return.
defer w.Close()
// Allocate needed disk space to append data
e := Fallocate(int(w.Fd()), 0, fileSize)
var e error
if fileSize > 0 {
// Allocate needed disk space to append data
e = Fallocate(int(w.Fd()), 0, fileSize)
}
// Ignore errors when Fallocate is not supported in the current system
if e != nil && !isSysErrNoSys(e) && !isSysErrOpNotSupported(e) {