public override int FAllocate(ReadOnlySpan <byte> path, int mode, ulong offset, long length, ref FuseFileInfo fi, Guid fileGuid)
{
path = base.TransformPath(path);
if (debug)
{
Console.WriteLine($"NeoFS::FAllocate()");
}
if (fi.fh == 0)
{
var newFd = LibC.open(toBp(path), fi.flags);
if (newFd > 0)
{
fi.fh = (ulong)newFd;
}
else
{
return(-LibC.errno);
}
}
var res = LibC.fallocate((int)fi.fh, mode, (long)offset, length);
if (res < 0)
{
return(-LibC.errno);
}
return((int)res);
}