public long blockEnd(long value) {
        return (value + fsBlockSize - 1) & fsBlockNotMask;
    }
Given <tt>value</tt>, find the smallest number greater than or equal
to <tt>value</tt> which is a multiple of the fs block size.

@param value
@return The smallest number greater than or equal to <tt>value</tt>
which is a multiple of the soft block size
s3stream/src/main/java/com/automq/stream/thirdparty/moe/cnkirito/kdio/DirectIOLib.java