mirror of https://github.com/dennwc/btrfs
23 lines
417 B
Go
23 lines
417 B
Go
package btrfs
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import "os"
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func getFileRootID(file *os.File) (objectID, error) {
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args := btrfs_ioctl_ino_lookup_args{
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objectid: firstFreeObjectid,
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}
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if err := iocInoLookup(file, &args); err != nil {
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return 0, err
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}
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return args.treeid, nil
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}
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func getPathRootID(path string) (objectID, error) {
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fs, err := Open(path, true)
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if err != nil {
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return 0, err
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}
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defer fs.Close()
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return getFileRootID(fs.f)
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}
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