mirror of https://github.com/jetkvm/kvm.git
47 lines
882 B
Go
47 lines
882 B
Go
// Copyright 2019 the Go-FUSE Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package fs
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import (
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"context"
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"syscall"
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"github.com/hanwen/go-fuse/v2/fuse"
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"golang.org/x/sys/unix"
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)
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func setBlocks(out *fuse.Attr) {
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if out.Blksize > 0 {
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return
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}
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out.Blksize = 4096
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pages := (out.Size + 4095) / 4096
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out.Blocks = pages * 8
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}
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func setStatxBlocks(out *fuse.Statx) {
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if out.Blksize > 0 {
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return
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}
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out.Blksize = 4096
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pages := (out.Size + 4095) / 4096
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out.Blocks = pages * 8
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}
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func (f *loopbackFile) Statx(ctx context.Context, flags uint32, mask uint32, out *fuse.StatxOut) syscall.Errno {
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f.mu.Lock()
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defer f.mu.Unlock()
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st := unix.Statx_t{}
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err := unix.Statx(f.fd, "", int(flags), int(mask), &st)
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if err != nil {
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return ToErrno(err)
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}
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out.FromStatx(&st)
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return OK
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}
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