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fallback O_DIRECT if not supported, do regular reads() (#13680)

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Harshavardhana 2021-11-17 15:48:47 -08:00 committed by GitHub
parent 3d2bc15e9a
commit 9c5d9ae376
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1 changed files with 7 additions and 1 deletions
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8
internal/ioutil/read_file.go
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@ -19,6 +19,7 @@ package ioutil
import ( import (
"io" "io"
"os"
"github.com/minio/minio/internal/disk" "github.com/minio/minio/internal/disk"
) )
@ -32,7 +33,12 @@ import (
func ReadFile(name string) ([]byte, error) { func ReadFile(name string) ([]byte, error) {
f, err := disk.OpenFileDirectIO(name, readMode, 0666) f, err := disk.OpenFileDirectIO(name, readMode, 0666)
if err != nil { if err != nil {
return nil, err // fallback if there is an error to read
// 'name' with O_DIRECT
f, err = os.OpenFile(name, readMode, 0666)
if err != nil {
return nil, err
}
} }
r := &ODirectReader{ r := &ODirectReader{
File: f, File: f,