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Code Issues Releases Wiki Activity

Move PreallocateFile to fs package

This commit is contained in:
DRON-666 2021-02-02 17:43:40 +03:00
parent 88c63a029c
commit ffc6b3d887
5 changed files with 11 additions and 11 deletions
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4
internal/restorer/preallocate_darwin.go → internal/fs/preallocate_darwin.go
View File

@ -1,4 +1,4 @@
package restorer package fs
import ( import (
"os" "os"
@ -6,7 +6,7 @@ import (
"golang.org/x/sys/unix" "golang.org/x/sys/unix"
) )
func preallocateFile(wr *os.File, size int64) error { func PreallocateFile(wr *os.File, size int64) error {
// try contiguous first // try contiguous first
fst := unix.Fstore_t{ fst := unix.Fstore_t{
Flags: unix.F_ALLOCATECONTIG | unix.F_ALLOCATEALL, Flags: unix.F_ALLOCATECONTIG | unix.F_ALLOCATEALL,

4
internal/restorer/preallocate_linux.go → internal/fs/preallocate_linux.go
View File

@ -1,4 +1,4 @@
package restorer package fs
import ( import (
"os" "os"
@ -6,7 +6,7 @@ import (
"golang.org/x/sys/unix" "golang.org/x/sys/unix"
) )
func preallocateFile(wr *os.File, size int64) error { func PreallocateFile(wr *os.File, size int64) error {
if size <= 0 { if size <= 0 {
return nil return nil
} }

4
internal/restorer/preallocate_other.go → internal/fs/preallocate_other.go
View File

@ -1,11 +1,11 @@
//go:build !linux && !darwin //go:build !linux && !darwin
// +build !linux,!darwin // +build !linux,!darwin
package restorer package fs
import "os" import "os"
func preallocateFile(wr *os.File, size int64) error { func PreallocateFile(wr *os.File, size int64) error {
// Maybe truncate can help? // Maybe truncate can help?
// Windows: This calls SetEndOfFile which preallocates space on disk // Windows: This calls SetEndOfFile which preallocates space on disk
return wr.Truncate(size) return wr.Truncate(size)

7
internal/restorer/preallocate_test.go → internal/fs/preallocate_test.go
View File

@ -1,4 +1,4 @@
package restorer package fs
import ( import (
"os" "os"
@ -7,7 +7,6 @@ import (
"syscall" "syscall"
"testing" "testing"
"github.com/restic/restic/internal/fs"
"github.com/restic/restic/internal/test" "github.com/restic/restic/internal/test"
) )
@ -23,7 +22,7 @@ func TestPreallocate(t *testing.T) {
test.OK(t, wr.Close()) test.OK(t, wr.Close())
}() }()
err = preallocateFile(wr, i) err = PreallocateFile(wr, i)
if err == syscall.ENOTSUP { if err == syscall.ENOTSUP {
t.SkipNow() t.SkipNow()
} }
@ -32,7 +31,7 @@ func TestPreallocate(t *testing.T) {
fi, err := wr.Stat() fi, err := wr.Stat()
test.OK(t, err) test.OK(t, err)
efi := fs.ExtendedStat(fi) efi := ExtendedStat(fi)
test.Assert(t, efi.Size == i || efi.Blocks > 0, "Preallocated size of %v, got size %v block %v", i, efi.Size, efi.Blocks) test.Assert(t, efi.Size == i || efi.Blocks > 0, "Preallocated size of %v, got size %v block %v", i, efi.Size, efi.Blocks)
}) })
} }

3
internal/restorer/fileswriter.go
View File

@ -6,6 +6,7 @@ import (
"github.com/cespare/xxhash/v2" "github.com/cespare/xxhash/v2"
"github.com/restic/restic/internal/debug" "github.com/restic/restic/internal/debug"
"github.com/restic/restic/internal/fs"
) )
// writes blobs to target files. // writes blobs to target files.
@ -72,7 +73,7 @@ func (w *filesWriter) writeToFile(path string, blob []byte, offset int64, create
return nil, err return nil, err
} }
} else { } else {
err := preallocateFile(wr.File, createSize) err := fs.PreallocateFile(wr.File, createSize)
if err != nil { if err != nil {
// Just log the preallocate error but don't let it cause the restore process to fail. // Just log the preallocate error but don't let it cause the restore process to fail.
// Preallocate might return an error if the filesystem (implementation) does not // Preallocate might return an error if the filesystem (implementation) does not