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tsdb/fileutil: use Go standard errors

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Signed-off-by: Matthieu MOREL <matthieu.morel35@gmail.com>
This commit is contained in:
Matthieu MOREL 2023-11-14 19:04:30 +01:00
parent cf528bef03
commit e3041740e4
2 changed files with 9 additions and 9 deletions
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9
tsdb/fileutil/mmap.go
View file

@ -14,9 +14,8 @@
package fileutil
import (
"fmt"
"os"
"github.com/pkg/errors"
)
type MmapFile struct {
@ -31,7 +30,7 @@ func OpenMmapFile(path string) (*MmapFile, error) {
func OpenMmapFileWithSize(path string, size int) (mf *MmapFile, retErr error) {
f, err := os.Open(path)
if err != nil {
return nil, errors.Wrap(err, "try lock file")
return nil, fmt.Errorf("try lock file: %w", err)
}
defer func() {
if retErr != nil {
@ -41,14 +40,14 @@ func OpenMmapFileWithSize(path string, size int) (mf *MmapFile, retErr error) {
if size <= 0 {
info, err := f.Stat()
if err != nil {
return nil, errors.Wrap(err, "stat")
return nil, fmt.Errorf("stat: %w", err)
}
size = int(info.Size())
}
b, err := mmap(f, size)
if err != nil {
return nil, errors.Wrapf(err, "mmap, size %d", size)
return nil, fmt.Errorf("mmap, size %d: %w", size, err)
}
return &MmapFile{f: f, b: b}, nil

9
tsdb/fileutil/preallocate_linux.go
View file

@ -15,6 +15,7 @@
package fileutil
import (
"errors"
"os"
"syscall"
)
@ -23,10 +24,10 @@ func preallocExtend(f *os.File, sizeInBytes int64) error {
// use mode = 0 to change size
err := syscall.Fallocate(int(f.Fd()), 0, 0, sizeInBytes)
if err != nil {
errno, ok := err.(syscall.Errno)
var errno syscall.Errno
// not supported; fallback
// fallocate EINTRs frequently in some environments; fallback
if ok && (errno == syscall.ENOTSUP || errno == syscall.EINTR) {
if errors.As(err, &errno) && (errno == syscall.ENOTSUP || errno == syscall.EINTR) {
return preallocExtendTrunc(f, sizeInBytes)
}
}
@ -37,9 +38,9 @@ func preallocFixed(f *os.File, sizeInBytes int64) error {
// use mode = 1 to keep size; see FALLOC_FL_KEEP_SIZE
err := syscall.Fallocate(int(f.Fd()), 1, 0, sizeInBytes)
if err != nil {
errno, ok := err.(syscall.Errno)
var errno syscall.Errno
// treat not supported as nil error
if ok && errno == syscall.ENOTSUP {
if errors.As(err, &errno) && errno == syscall.ENOTSUP {
return nil
}
}