func (fs FS) Statfs(ctx context.Context, req *fuse.StatfsRequest, resp *fuse.StatfsResponse) error {
resp.Blocks = 18446744073709551615
resp.Bfree = 18446744073709551615 // Free blocks in file system.
resp.Bavail = 18446744073709551615 // Free blocks in file system if you're not root.
resp.Files = 0 // Total files in file system.
resp.Ffree = 18446744073709551615 // Free files in file system.
resp.Bsize = uint32(fs.blockSize) // Block size
resp.Namelen = 4294967295 // Maximum file name length?
resp.Frsize = 1 // Fragment size, smallest addressable data size in the file system.
return nil
}
// Statfs is called to obtain file system metadata.
// It should write that data to resp.
func (f *FS) Statfs(ctx context.Context, req *fuse.StatfsRequest, resp *fuse.StatfsResponse) error {
const blockSize = 4096
const fsBlocks = (1 << 50) / blockSize
resp.Blocks = fsBlocks // Total data blocks in file system.
resp.Bfree = fsBlocks // Free blocks in file system.
resp.Bavail = fsBlocks // Free blocks in file system if you're not root.
resp.Files = 1E9 // Total files in file system.
resp.Ffree = 1E9 // Free files in file system.
resp.Bsize = blockSize // Block size
resp.Namelen = 255 // Maximum file name length?
resp.Frsize = blockSize // Fragment size, smallest addressable data size in the file system.
return nil
}
func statfsToFuse(path string, resp *fuse.StatfsResponse) error {
var buf syscall.Statfs_t
if err := syscall.Statfs(path, &buf); err != nil {
return fuse.ENOTSUP
}
resp.Blocks = uint64(buf.Blocks) // Total data blocks in file system.
resp.Bfree = uint64(buf.Bfree) // Free blocks in file system.
resp.Bavail = uint64(buf.Bavail) // Free blocks in file system if you're not root.
resp.Files = uint64(buf.Files) // Total files in file system.
resp.Ffree = uint64(buf.Ffree) // Free files in file system.
resp.Bsize = uint32(buf.Bsize) // Block size
resp.Namelen = uint32(buf.Namelen)
resp.Frsize = uint32(buf.Frsize)
return nil
}