45 lines
955 B
Go
45 lines
955 B
Go
package fuseshim
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import (
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"fmt"
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"os"
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"os/exec"
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"strings"
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)
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// Maximum file write size we are prepared to receive from the kernel.
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const maxWrite = 128 * 1024
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func mount(dir string, conf *mountConfig, ready chan<- struct{}, errp *error) (*os.File, error) {
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for k, v := range conf.options {
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if strings.Contains(k, ",") || strings.Contains(v, ",") {
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// Silly limitation but the mount helper does not
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// understand any escaping. See TestMountOptionCommaError.
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return nil, fmt.Errorf("mount options cannot contain commas on FreeBSD: %q=%q", k, v)
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}
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}
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f, err := os.OpenFile("/dev/fuse", os.O_RDWR, 0000)
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if err != nil {
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*errp = err
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return nil, err
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}
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cmd := exec.Command(
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"/sbin/mount_fusefs",
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"--safe",
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"-o", conf.getOptions(),
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"3",
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dir,
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)
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cmd.ExtraFiles = []*os.File{f}
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out, err := cmd.CombinedOutput()
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if err != nil {
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return nil, fmt.Errorf("mount_fusefs: %q, %v", out, err)
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}
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close(ready)
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return f, nil
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}
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